ISMV3

Pregunta 1 de 171

1

What is a benefit when a node is added to a scale-out NAS cluster?

Selecciona una de las siguientes respuestas posibles:

Increased cluster performance
Reduced capital expenditure
Simplified cluster management
Decreased data duplication

Explicación

Pregunta 2 de 171

1

Which EMC product provides a software-defined platform that supports both block and file
storage services?

Selecciona una de las siguientes respuestas posibles:

ViPR Controller
ScaleIO
Elastic Cloud Storage
XtremIO

Explicación

Pregunta 3 de 171

1

What is an advantage of performing cumulative backups compared to incremental backups
for the same data?

Selecciona una de las siguientes respuestas posibles:

Facilitates faster restores
Facilitates faster backups
Reduces the storage space required for backups
Eliminates the need for full backups

Explicación

Pregunta 4 de 171

1

In an FC SAN environment, an administrator wants to ensure that a particular switch port
cannot function as an E_Port and cannot be used to create an interswitch link. Which
security mechanism should the administrator use?

Selecciona una de las siguientes respuestas posibles:

Port type locking
Port binding
Persistent port disable
Fabric binding

Explicación

Pregunta 5 de 171

1

What is an advantage of the changed block tracking backup technique?

Selecciona una de las siguientes respuestas posibles:

Reduces the backup window
Enables restoration to any point-in-time
Eliminates the need for data deduplication
Increases backup device performance

Explicación

Pregunta 6 de 171

1

What is an accurate statement about Platform as a Service?

Selecciona una de las siguientes respuestas posibles:

Consumer has control over the deployed applications
Consumer has control over the operating system and database management system
Consumer has control over the programming languages and tools
Consumer has control over the operating system and storage

Explicación

Pregunta 7 de 171

1

Which action takes place during the login phase in an FCoE SAN?

Selecciona una de las siguientes respuestas posibles:

VN_Ports obtain FC addresses
Nodes locate the Fibre Channel Forwarder
Initialization protocol starts transporting FC data
VN_Port to N_Port pairing is established

Explicación

Pregunta 8 de 171

1

How does an iSCSI initiator discover its targets?

Selecciona una de las siguientes respuestas posibles:

Initiator sends a query to an iSNS server for a list of available targets
Initiator receives the iSCSI names of its targets from the primary DNS server
Initiator uses the data center bridging exchange protocol for the discovery
Initiator sends SCSI commands and the target responds by sending its name

Explicación

Pregunta 9 de 171

1

What is determined based on the recovery point objective in an asynchronous remote
replication?

Selecciona una de las siguientes respuestas posibles:

Size of the buffer
Size of the replica
Response time
Location of the source

Explicación

Pregunta 10 de 171

1

What is a function of the FC-1 layer of the Fibre Channel (FC) protocol stack?

Selecciona una de las siguientes respuestas posibles:

Defines data encoding
Provides FC addressing
Defines the physical interface
Maps upper layer protocols to FC layers

Explicación

Pregunta 11 de 171

1

An application generates 8400 small random I/Os at peak workloads with a read/write ratio
of 2:1. What is the disk load at peak activity for a RAID 1/0 configuration?

Selecciona una de las siguientes respuestas posibles:

5600
11200
16800
22400

Explicación

Pregunta 12 de 171

1

What accurately describes the flow control mechanism in an FC SAN?

Selecciona una de las siguientes respuestas posibles:

Both transmitting and receiving ports agree on the number of buffers available during port login
Negotiation occurs between an E_Port and an F_Port, and between two N_Ports
Credit value is incremented when a frame is transmitted and decremented upon receiving a response
Receiver Ready (R_RDY) is sent from the receiving port if available credits reach zero

Explicación

Pregunta 13 de 171

1

What is an accurate statement about the application presentation technique of application
virtualization?

Selecciona una de las siguientes respuestas posibles:

Application executes remotely and its user interface is transmitted to the client
Application is downloaded in portions onthe client for local execution
Application executes on the client without the use of a locally-installed agent
Application is converted into a standalone package that directly executes on the client

Explicación

Pregunta 14 de 171

1

What is signified by the “variability” characteristic of big data?

Selecciona una de las siguientes respuestas posibles:

Meaning of the data changes constantly
Data is generated in different formats by numerous sources
Data change rate affects its timely analysis
Varying data quality affects its reliability and accuracy

Explicación

Pregunta 15 de 171

1

What is an advantage of a software-based object storage implementation?

Selecciona una de las siguientes respuestas posibles:

Provides the flexibility to reuse the existing infrastructure
Requires less storage capacity tostore a large number of objects
Provides the flexibility to create more than one object ID for an object
Requires less hardware to support scalable architecture

Explicación

Pregunta 16 de 171

1

What is a function of the NDMP server in an NDMP-based backup approach?

Selecciona una de las siguientes respuestas posibles:

Reads the data from the storage device and sends the data to the backup device
Reads the data from the backup server and sends the data to the backup device
Instructs the NAS head to startthe backup operation
Instructs the backup agent on the client to send the data to the backup device

Explicación

Pregunta 17 de 171

1

What is an accurate statement about OAuth security control?

Selecciona una de las siguientes respuestas posibles:

Allows a client to access protected resources from a resource server on behalf of a resource owner
Provides strong authentication for client-server applications by using secret-key cryptography
Enables initiators and targets to authenticate each other by using a shared secret code
Enables an organization to use authentication services from an identity provider

Explicación

Pregunta 18 de 171

1

Which type of Fibre Channel (FC) ports do the labels "X" and "Y" represent in the exhibit?

Selecciona una de las siguientes respuestas posibles:

X is an E_Port and Y is an F_Port
X is an F_Port and Y is an N_Port
X is an N_Port and Y is an E_Port
X is an N_Port and Y is an F_Port

Explicación

Pregunta 19 de 171

1

Which fabric login type occurs between two N_Ports to exchange FC-4 upper layer
protocol-related parameters?

Selecciona una de las siguientes respuestas posibles:

PRLI
FLOGI
PLOGI
WWNN

Explicación

Pregunta 20 de 171

1

What is a characteristic of software-defined networking?

Selecciona una de las siguientes respuestas posibles:

Abstracts and separates the control plane from the data plane
Data plane sends instructions to the controlplane to handle network traffic
Controller in network switchestakes over data plane functions
External software combines both data plane and control plane functions

Explicación

Pregunta 21 de 171

1

What is a benefit of N_Port virtualization (NPV)?

Selecciona una de las siguientes respuestas posibles:

Reduces the number of domain IDs in a fabric
Eliminates the overhead of fabric services in an FC SAN
Enables online expansion of virtual volumes
Allows an N_Port to transfer multiple VSAN traffic

Explicación

Pregunta 22 de 171

1

Which process uses a file-level storage tiering technique to perform policy-based data
movement?

Selecciona una de las siguientes respuestas posibles:

Archiving
Deduplication
Replication
Backup

Explicación

Pregunta 23 de 171

1

Which type of fabric topology does the exhibit represent?

Selecciona una de las siguientes respuestas posibles:

Partial mesh
Full mesh
Single core-edge
Dual core-edge

Explicación

Pregunta 24 de 171

1

What is an accurate statement about the function of an archiving server?

Selecciona una de las siguientes respuestas posibles:

Enables the ability to configure policies for archiving data
Installs agentson the archiving storage device
Scans the data that can bearchived on application servers
Creates stub files on an archiving storage device

Explicación

Pregunta 25 de 171

1

A system has three components and all three components need to be operational for 24
hours; Monday through Friday. During a particular week, failure of component 1 occurred
as follows:
✑ Tuesday = 8 AM to 11 AM
✑ Thursday = 8 PM to 10 PM
✑ Friday = 5 AM to 9 AM
What is the mean time between failures on component 1 for that week?

Selecciona una de las siguientes respuestas posibles:

3 hours
37 hours
40 hours
53 hours

Explicación

Pregunta 26 de 171

1

To improve performance, which EMC product allows a PCIe flash card to be deployed in a
compute system?

Selecciona una de las siguientes respuestas posibles:

XtremSF
XtremCache
ScaleIO
XtremIO

Explicación

Pregunta 27 de 171

1

What is a characteristic of a scale-out NAS?

Selecciona una de las siguientes respuestas posibles:

File system grows dynamically as nodes are added in the cluster
Up to four file systems can be created across the cluster
Distinct file systems are created on each node in the cluster
Different file systems can be mixed on each node in a single cluster

Explicación

Pregunta 28 de 171

1

Which data center characteristic ensures that data is stored and retrieved exactly as it was
received?

Selecciona una de las siguientes respuestas posibles:

Data integrity
Security
Scalability
Manageability

Explicación

Pregunta 29 de 171

1

What is an accurate statement about Software as a Service?

Selecciona una de las siguientes respuestas posibles:

Consumer has limited control over user-specific application configuration settings
Consumer has control over the operating systems and deployed applications
Consumer has control over the configuration settings of the application-hosting environment
Consumer has limited control over select networking components, such as host firewalls

Explicación

Pregunta 30 de 171

1

What is an accurate statement about hypervisor-based continuous data protection (CDP)?

Selecciona una de las siguientes respuestas posibles:

Write splitter is embedded in the hypervisor
Journal is stored in a virtual machine
Journal and replica use the same storage volume
Virtual appliance runs on a storage system

Explicación

Pregunta 31 de 171

1

Which type of fabric topology does the exhibit represent?

Selecciona una de las siguientes respuestas posibles:

Full mesh
Partial mesh
Single core-edge
Dual core-edge

Explicación

Pregunta 32 de 171

1

What is a benefit of a “recovery-in-place” backup approach in a virtualized data center?

Selecciona una de las siguientes respuestas posibles:

Provides instant recovery of a failed virtual machine
Reduces the recovery point objective
Eliminates redundant data during virtual machine backups
Eliminates the backup window

Explicación

Pregunta 33 de 171

1

Which component is required for a “recovery-in-place” backup approach?

Selecciona una de las siguientes respuestas posibles:

Disk-based backup target
Agent-based backupclient
NDMP server
Data deduplication server

Explicación

Pregunta 34 de 171

1

What is an example of an active attack on an IT infrastructure?

Selecciona una de las siguientes respuestas posibles:

Attempt to modify information for malicious purposes
Attempt to copy the data from the storage system
Attempt to gain unauthorized access into the system
Attempt to gain access to the data in transit

Explicación

Pregunta 35 de 171

1

What is an accurate statement about a virtual machine (VM) snapshot?

Selecciona una de las siguientes respuestas posibles:

Captures the state and data of a running VM at a specific point-in-time
Provides the capability to delete the parent VM once the snapshot is created
Runs as an independent copy from the parent VM
Provides the capability to restore VM data to any point-in-time

Explicación

Pregunta 36 de 171

1

What is a benefit of link aggregation in a SAN?

Selecciona una de las siguientes respuestas posibles:

Provides a higher throughput than a single interswitch link can provide
Distributes the network traffic across all virtual SANs, ensuring even virtual SAN utilization
Optimizes performance by consolidating all interswitch links into a single physical link
Provides the flexibility to deploy the same interswitch links for both FC and iSCSI traffic

Explicación

Pregunta 37 de 171

1

Which VMware product provides a network virtualization platform for a software-defined
data center?

Selecciona una de las siguientes respuestas posibles:

NSX
ESXi
Horizon
AirWatch

Explicación

Pregunta 38 de 171

1

In an FC SAN environment, which security mechanism prevents a switch port from being
enabled even after a switch reboot?

Selecciona una de las siguientes respuestas posibles:

Port locking
Port type locking
Port binding
Fabric binding

Explicación

Pregunta 39 de 171

1

What is an accurate statement about VSAN trunking?

Selecciona una de las siguientes respuestas posibles:

Allows network traffic from multiple VSANs to traverse a single interswitch link
Enables an F_Port to transfer multiple VSAN traffic over a single port channel
Provides VSAN IDs to F_Ports to include them in the VSANs
Forwards FC frames between F_Ports that belong to the same VSAN

Explicación

Pregunta 40 de 171

1

What is an accurate statement about a data lake?

Selecciona una de las siguientes respuestas posibles:

Stores data as an exact or near-exact copy of the source format
Supports query and analysis by classifying and organizing data before storing
Stores current and historical data in a structured format on object-based storage
Provides a single consistent view of data across an organization for report generation

Explicación

Pregunta 41 de 171

1

What accurately describes an attack vector in an IT infrastructure?

Selecciona una de las siguientes respuestas posibles:

Series of steps that must be followed in order to complete an attack
Various entry points that can be used to launch an attack
Amount of effort required to exploit vulnerabilities in the infrastructure
Process of identifying the system components under attack

Explicación

Pregunta 42 de 171

1

How do VSANs ensure security in an IT infrastructure?

Selecciona una de las siguientes respuestas posibles:

By providing isolation over a shared infrastructure
By authenticating a new switch that joins a fabric
By limiting the number of switches in a fabric
By prohibiting an unused switch port from being used

Explicación

Pregunta 43 de 171

1

Which benefit does the measured service characteristic provide to a cloud service
provider?

Selecciona una de las siguientes respuestas posibles:

Enables control and optimization of resource use
Enables cloud services to communicate with each other
Enables availability of specific resources depending on policy
Enables the reduction and/or elimination of upfront IT expenditure

Explicación

Pregunta 44 de 171

1

Which operation is performed by a scale-out NAS cluster when clients send data to the
cluster?

Selecciona una de las siguientes respuestas posibles:

Data is divided and stored on multiple nodes in parallel
Data is consolidated into a block and then stored on the NAS head
Data is evenly distributed to every file system in the cluster
NAS file system and cluster grow dynamically to store the data

Explicación

Pregunta 45 de 171

1

What is a function of the metadata manager in a compute-based storage area network
(SAN)?

Selecciona una de las siguientes respuestas posibles:

Controls load balancing and data migration in a compute-based SAN
Provides an interface to the software-defined storage controller
Controls all data read and write operations in a compute-based SAN
Performs the I/O operations on the local storage of a compute system as requested by a client

Explicación

Pregunta 46 de 171

1

What is a function of the metadata manager in a compute-based storage area network
(SAN)?

Selecciona una de las siguientes respuestas posibles:

Controls load balancing and data migration in a compute-based SAN
Provides an interface to the software-defined storage controller
Controls all data read and write operations in a compute-based SAN
Performs the I/O operations on the local storage of a compute system as requested by a client

Explicación

Pregunta 47 de 171

1

What is a benefit of block-level storage virtualization?

Selecciona una de las siguientes respuestas posibles:

Enables the online expansion of virtual volumes
Enhances performance by limiting the RSCN traffic
Improves security through logical segmentation of block storage devices
Increases scalability through separation of FC addresses across VSANs

Explicación

Pregunta 48 de 171

1

Which type of Fibre Channel (FC) ports do the labels "X" and "Y" represent in the exhibit?

Selecciona una de las siguientes respuestas posibles:

X is an E_Port and Y is an N_Port
X is an F_Port and Y is an E_Port
X is an F_Port and Y is an F_Port
X is an N_Port and Y is an N_Port

Explicación

Pregunta 49 de 171

1

What is an accurate statement about the application streaming technique of application
virtualization?

Selecciona una de las siguientes respuestas posibles:

Application is downloaded in portions on the client for local execution
Application executes remotely and its user interface is transmitted to the client
Application executes on the client without the use of a locally-installed agent
Application is converted into a standalone package that directly executes on the client

Explicación

Pregunta 50 de 171

1

What is an accurate statement about the Network File System (NFS) protocol?

Selecciona una de las siguientes respuestas posibles:

Provides a set of remote procedure calls to access a remote file system
Uses the server message block protocol to provide file locking capability
Translates block I/O requests from a file system into object-level requests
Automatically scales the file systems on clients as the workload increases

Explicación

Pregunta 51 de 171

1

What is an accurate statement about a virtual tape library?

Selecciona una de las siguientes respuestas posibles:

Legacy backup software can be used without additional modules or changes
Portability of physical tapes tooffsite locations is supported
Only sequential data access for both backup and recovery is supported
Regular maintenance tasks associated with a physical tape drive are required

Explicación

Pregunta 52 de 171

1

What accurately describes a VSAN?

Selecciona una de las siguientes respuestas posibles:

A logical fabric on an FC SAN that enables communication among a group of nodes
A logical fabric on an FC SAN that has a 1-to-1 relationship with a zone in the FC SAN
A logical fabric across FC SANs that aggregates the FC SANs to create a network pool
A logical fabric across FC SANs that allows non-disruptive file mobility between the SANs

Explicación

Pregunta 53 de 171

1

Which global addressing does the REST application programming interface use for the
discovery of a storage service?

Selecciona una de las siguientes respuestas posibles:

Uniform Resource Identifier
Namespace
Extensible Markup Language
Controller-provided MAC address

Explicación

Pregunta 54 de 171

1

Which LUN expansion technique provides both capacity expansion and performance
improvement?

Selecciona una de las siguientes respuestas posibles:

Striped metaLUN
Partitioned metaLUN
Virtual metaLUN
Concatenated metaLUN

Explicación

Pregunta 55 de 171

1

Which component of a software-defined storage (SDS) environment manages and
provisions storage?

Selecciona una de las siguientes respuestas posibles:

SDS controller
REST API
SDS web service
Storage agent

Explicación

Pregunta 56 de 171

1

A start-up company with a limited budget is planning to adopt a hybrid cloud solution for
their operations. The company has business-critical applications that serve customers and
have strict service levels. In addition, the company has less critical applications such as
backup and archive.
Which hybrid cloud strategy should be recommended to the company?

Selecciona una de las siguientes respuestas posibles:

Deploy the business-critical applications on an externally-hosted private cloud. Deploy the less critical applications on a public cloud.
Deploy the business-critical applications on an on-premise private cloud. Deploy the less critical applications on an externally-hosted private cloud.
Deploy the business-critical applications on an on-premise private cloud. Deploy the less critical applications on a public cloud.
Deploy the business-critical applications on an externally-hosted private cloud. Deploy the less critical applications on an on-premise private cloud.

Explicación

Pregunta 57 de 171

1

Which method does an intrusion detection and prevention system (IDPS) use to identify
intrusions by scanning and analyzing events to detect if they are statistically different from
normal events?

Selecciona una de las siguientes respuestas posibles:

Anomaly-based
Signature-based
Profile-based
Device-based

Explicación

Pregunta 58 de 171

1

Which EMC product is a hyper-scale storage infrastructure that provides universal
accessibility with support for object and HDFS?

Selecciona una de las siguientes respuestas posibles:

ECS Appliance
XtremIO
Data Domain
Centera

Explicación

Pregunta 59 de 171

1

An organization performs a full back up every Sunday and incremental back ups on the
remaining days at 9:00 AM. However, at 10 PM on Friday, a data corruption occurs that
requires a data restoration from the backup copies.
How many backup copies are required to perform this restoration?

Selecciona una de las siguientes respuestas posibles:

2
4
5
6

Explicación

Pregunta 60 de 171

1

Which cloud service does VMware vCloud Air provide?

Selecciona una de las siguientes respuestas posibles:

Infrastructure as a Service
Platform as a Service
Database as a Service
Software as a Service

Explicación

Pregunta 61 de 171

1

The exhibit represents an FCIP tunnel configuration that merges the two FC SANs at either
end of the tunnel. Which types of ports do the labels "X" and "Y" represent on the FCIP
gateway shown in the exhibit?

Selecciona una de las siguientes respuestas posibles:

X = E_Port and Y = VE_Port
X = F_Port and Y = VN_Port
X = VF_Port and Y = E_Port
X = VN_Port and Y = VE_Port

Explicación

Pregunta 62 de 171

1

What keeps the name server up-to-date on all switches in a fabric?

Selecciona una de las siguientes respuestas posibles:

SW-RSCN
Management server
Zoning
FLOGI

Explicación

Pregunta 63 de 171

1

What is a benefit of configuring EX_Ports on each Fibre Channel over IP (FCIP) gateway in
an FCIP tunnel implementation?

Selecciona una de las siguientes respuestas posibles:

Enables FC-FC routing through the FCIP tunnel without merging the fabrics
Merges the fabrics at either end of the FCIP tunnelto create a single large fabric
Transfers VSAN tagged traffic over the FCIP tunnel without FC protocol overhead
Creates eight virtual FC links on the FCIP tunnel that can be paused and restarted independently

Explicación

Pregunta 64 de 171

1

Which lossless Ethernet functionality helps Converged Enhanced Ethernet (CEE) devices
to convey and configure their features with the other CEE devices in the network?

Selecciona una de las siguientes respuestas posibles:

Data center bridging exchange protocol
Enhanced transmission selection
Priority-based flow control
Congestion notification

Explicación

Pregunta 65 de 171

1

Which EMC product provides automated monitoring and reporting of a software-defined
storage infrastructure?

Selecciona una de las siguientes respuestas posibles:

ViPR SRM
SnapSure
Avamar
FAST VP

Explicación

Pregunta 66 de 171

1

What is a function of a virtual machine manager?

Selecciona una de las siguientes respuestas posibles:

Abstracts physical hardware and presents it to a virtual machine
Sends resource requests from multiple virtual machines to the hypervisor kernel
Maps the virtual machine hardware to the hypervisor kernel
Presents resource requests from a virtual machine directly to physical hardware

Explicación

Pregunta 67 de 171

1

Which data structure enables two node ports to identify and manage a set of information
units in a Fibre Channel (FC) SAN?

Selecciona una de las siguientes respuestas posibles:

Exchange
Sequence
Frame
Domain

Explicación

Pregunta 68 de 171

1

Which environment is represented in the exhibit?

Selecciona una de las siguientes respuestas posibles:

Write-back cache
Write-through cache
Read miss
Read hit

Explicación

Pregunta 69 de 171

1

What does the transformation of an operating model for third platform adoption involve?

Selecciona una de las siguientes respuestas posibles:

Provisioning IT resources through a self-service portal
Establishing new roles and responsibilities to manage IT services
Adopting virtualization technologies to enable automation
Building new technical and business skills in the IT staff

Explicación

Pregunta 70 de 171

1

What is compromised by a passive attack on an IT infrastructure?

Selecciona una de las siguientes respuestas posibles:

Confidentiality
Integrity
Availability
Repudiation

Explicación

Pregunta 71 de 171

1

A system has three components and all three components need to be operational for 24
hours; Monday through Friday. During a particular week, failure of component 3 occurred
as follows:
✑ Tuesday = 8 AM to 1 PM
✑ Thursday = 5 PM to 10 PM
✑ Friday = 5 AM to 10 AM
What is the mean time between failures on component 3 for that week?

Selecciona una de las siguientes respuestas posibles:

5 hours
35 hours
40 hours
51 hours

Explicación

Pregunta 72 de 171

1

Why is it important for organizations to maintain a copy of data at a remote site?

Selecciona una de las siguientes respuestas posibles:

Ensure disaster recovery
Provide operational recovery
Ensure data archiving to meet regulatory requirements
Provide flexibility to use stub files for production operations

Explicación

Pregunta 73 de 171

1

Which product provides an integrated IT infrastructure solution for data center deployment
by combining IT resources into a single package?

Selecciona una de las siguientes respuestas posibles:

VCE Vblock
EMC VPLEX
EMC ViPR
VMware vCloud

Explicación

Pregunta 74 de 171

1

Which type of login is performed between an N_Port and an F_Port in a Fibre Channel
SAN environment?

Selecciona una de las siguientes respuestas posibles:

FLOGI
PLOGI
PRLI
WWPN

Explicación

Pregunta 75 de 171

1

What refers to an IT infrastructure's ability to function based on business expectations
during its specified time of operations?

Selecciona una de las siguientes respuestas posibles:

Information availability
Disaster recovery
Compliance adherence
Business agility

Explicación

Pregunta 76 de 171

1

Which capability is provided by a software-defined storage controller?

Selecciona una de las siguientes respuestas posibles:

Ability to pool and abstract physical storage and presentit as an open storage platform
Ability for multiple operating systems to run concurrently on a single physical compute system
Mechanisms to automatically create application programming interfaces for centralized management
Single self-contained package with integrated hardware and software components

Explicación

Pregunta 77 de 171

1

What is an accurate statement about Challenge Handshake Authentication Protocol
(CHAP) control?

Selecciona una de las siguientes respuestas posibles:

Enables initiators and targets to authenticate each other by using a shared secret code
Provides strong authentication for client-server applications by using secret-key cryptography
Allows a client to access protected resources from a resource server on behalf of a resource owner
Enables an organization to use authentication services from an identity provider

Explicación

Pregunta 78 de 171

1

An organization plans to deploy a deduplication solution by retaining their legacy backup
application. They are concerned about the application servers performance and a long
backup window during backups.
Which deduplication solution(s) should be recommended to the organization?

Selecciona una de las siguientes respuestas posibles:

Post-process
Source-based global deduplication
Variable-length segment and source-based
Fixed-length block and source-based

Explicación

Pregunta 79 de 171

1

Which technique is used in Kerberos to authenticate a client-server application across an
insecure network?

Selecciona una de las siguientes respuestas posibles:

Secret-key cryptography
One-way hash function
Shared secret
OpenID control

Explicación

Pregunta 80 de 171

1

What is an activity in the risk assessment step of risk management?

Selecciona una de las siguientes respuestas posibles:

Determine the likelihood of a risk
Plan and deploy security controls
Continuously observe the existing risks
Identify the sources of threats that increase the risks

Explicación

Pregunta 81 de 171

1

What accurately describes the seek time of a disk drive?

Selecciona una de las siguientes respuestas posibles:

Time taken to position the read/write head over the correct track
Time taken by the platter to position the data under the read/write head
Time taken to read a block of data from the platter
Time taken by the controller to service an I/O from the application

Explicación

Pregunta 82 de 171

1

Which EMC product provides a software-defined storage platform that supports object
storage services?

Selecciona una de las siguientes respuestas posibles:

Elastic Cloud Storage
ViPR Controller
ScaleIO
XtremIO

Explicación

Pregunta 83 de 171

1

What is an accurate statement about a hybrid cloud?

Selecciona una de las siguientes respuestas posibles:

Supports data and application portability for load balancing between clouds
Allows organizations with common concerns to share the cost of deploying the cloud
Enables the entire cloud infrastructure to be controlled by the consumer’s IT staff
Allows an organization to outsource the implementation of a private cloud to a cloud provider

Explicación

Pregunta 84 de 171

1

What is determined by the recovery point objective in a business continuity solution?

Selecciona una de las siguientes respuestas posibles:

Frequency of the backup
Type of backup devices
Type of disaster recovery site
Distance between the primary and disaster recovery sites

Explicación

Pregunta 85 de 171

1

Which method is used to establish a VPN connection between a primary and remote data
center to perform secure remote replication?

Selecciona una de las siguientes respuestas posibles:

Site-to-site VPN connection
Remote access VPN connection
Intra-site VPN connection
Long distance VPN connection

Explicación

Pregunta 86 de 171

1

What is an accurate statement about three-way NDMP backup in a NAS environment?

Selecciona una de las siguientes respuestas posibles:

Backup device can be shared among multiple NAS heads
Each NAS head should have a dedicated backup device
Backup data traverses at least three NAS heads before reaching the backup device
Backup is performed only when three or more NAS heads are present

Explicación

Pregunta 87 de 171

1

Which component of a software-defined storage (SDS) environment enables integration
with external monitoring tools?

Selecciona una de las siguientes respuestas posibles:

REST API
Metadata service
SDS web service
Storage agent

Explicación

Pregunta 88 de 171

1

Which data access method enables a compute system to access a file system that resides
on a storage system?

Selecciona una de las siguientes respuestas posibles:

File-based
Block-based
Object-based
Sector-based

Explicación

Pregunta 89 de 171

1

Which type of storage system is built specifically for storing fixed content?

Selecciona una de las siguientes respuestas posibles:

Content addressed storage
Block-based storage
File-based storage
Unified storage

Explicación

Pregunta 90 de 171

1

What is an accurate statement about VLANs and VSANs in an FCoE environment with an
existing FC SAN?

Selecciona una de las siguientes respuestas posibles:

A dedicated VLAN must be configured for each VSAN
VLANs configured for VSANs must carry regular LAN traffic
Default VLAN must map to all VSANs defined in the FCoE switch
A minimum of four VLANs must be created to isolate VSAN traffic

Explicación

Pregunta 91 de 171

1

What is a benefit of using content addressed storage (CAS) as an archival solution?

Selecciona una de las siguientes respuestas posibles:

Ensures content authenticity and integrity
Supports location independence using different content IDs for an object
Provides the ability to perform production operations on the CAS
Enables modification of archived data

Explicación

Pregunta 92 de 171

1

What is a benefit of deploying a multi-site storage system-based remote replication
solution?

Selecciona una de las siguientes respuestas posibles:

Ensures disaster recovery protection remains available in the event of source or remote site failures
Provides the capability to recover data to any point-in-time
Requires low network bandwidth to perform synchronous replication
Enables a consistent near-zero RPO in the event of source and remote site failures

Explicación

Pregunta 93 de 171

1

The exhibit illustrates a software-defined storage environment. What do the labels “X” and
“Y” represent in the exhibit?

Selecciona una de las siguientes respuestas posibles:

X is a virtual storage system and Y is a virtual storage pool
X is a virtual storage pool and Y is a virtual storage system
X is a physical storage pool and Y is a virtual storage system
X is a virtual storage pool and Y is a physical storage system

Explicación

Pregunta 94 de 171

1

An application generates 8400 small random I/Os at peak workloads with a read/write ratio
of 2:1. What is the disk load at peak activity for a RAID 5 configuration?

Selecciona una de las siguientes respuestas posibles:

4800
11200
16800
22400

Explicación

Pregunta 95 de 171

1

Which fabric service distributes SW-RSCNs to the other switches in a Fibre Channel SAN?

Selecciona una de las siguientes respuestas posibles:

Fabric controller
Fabric login server
Name server
Fabric management server

Explicación

Pregunta 96 de 171

1

Which type of Fibre Channel (FC) ports do the labels "X" and "Y" represent in the exhibit?

Selecciona una de las siguientes respuestas posibles:

X is an F_Port and Y is an E_Port
X is an F_Port and Y is a G_Port
X is a G_Port and Y is an N_Port
X is an N_Port and Y is an E_Port

Explicación

Pregunta 97 de 171

1

Why should a replica be consistent with its source?

Selecciona una de las siguientes respuestas posibles:

Ensure the usability of the replica
Reduce the need to create multiple replicas
Ensure the security of the replica
Reduce the size of the replica

Explicación

Pregunta 98 de 171

1

What is an accurate statement about three-way NDMP backup in a NAS environment?

Selecciona una de las siguientes respuestas posibles:

Backup data is sent directly from NAS to the backup device
Backup data is sent to the backup device through the application servers
A dedicated backup device is required for each NAS
All NAS systems should have the same operating environment

Explicación

Pregunta 99 de 171

1

Which attack is carried out by sending a spoofing e-mail and redirecting a user to a false
website?

Selecciona una de las siguientes respuestas posibles:

Phishing
Man-in-the-middle
Denial-of-service
Repudiation

Explicación

Pregunta 100 de 171

1

What is a function of the orchestration layer in a data center infrastructure?

Selecciona una de las siguientes respuestas posibles:

Provides workflows for automated execution of management tasks
Aggregates physical infrastructurecomponents into resource pools
Measures the consumption of IT resources byvarious services
Decouples an operating environment from the underlying hardware

Explicación

Pregunta 101 de 171

1

Which EMC product provides a remote replication solution for EMC VMAX3 storage
systems?

Selecciona una de las siguientes respuestas posibles:

SRDF
SnapSure
MirrorView
ProtectPoint

Explicación

Pregunta 102 de 171

1

What is a function of a Fibre Channel Forwarder in an FCoE SAN?

Selecciona una de las siguientes respuestas posibles:

Applies zoning configurations and provides fabric services
Transfers FCoE traffic over an FC SAN
Encapsulates IP packets into FC frames
Provides both NIC and FC HBA functionality

Explicación

Pregunta 103 de 171

1

What determines how far back the recovery points can go in a continuous data protection
(CDP) solution?

Selecciona una de las siguientes respuestas posibles:

Amount of space that is configured for the journal
Size of the CDP appliance used for replication
Size of the source and replica volumes
Type of write splitter used for replication

Explicación

Pregunta 104 de 171

1

What is enabled by the N_Port ID virtualization (NPIV)?

Selecciona una de las siguientes respuestas posibles:

A single physical N_Portto obtain multiple FC addresses
A single virtual N_Port to act as a physical Ethernet port
A virtualization layer to map virtual volumes to LUN IDs
A single physical N_Port to act as a virtual HBA port

Explicación

Pregunta 105 de 171

1

Which EMC block-based storage system uses a cluster design to scale both capacity and
performance?

Selecciona una de las siguientes respuestas posibles:

XtremIO
Isilon
XtremSF
ScaleIO

Explicación

Pregunta 106 de 171

1

What is an accurate statement about a software RAID implementation?

Selecciona una de las siguientes respuestas posibles:

Uses CPU cycles of a compute system to perform RAID calculations
Supports the upgrade of RAID software on incompatible O/S
Uses a specialized hardware controller to perform RAID calculations
Supports all RAID levels

Explicación

Pregunta 107 de 171

1

What is an accurate statement about a fabric-provided MAC address (FPMA) used in an
FCoE SAN?

Selecciona una de las siguientes respuestas posibles:

FCoE switches provide MAC addresses to VN_Ports during node login
FC switches provide MAC addresses to VE_Ports dynamically during discovery
Compute systems provide MAC addresses to the VF_Ports on FCoE switches
Both VF_Ports and VE_Ports obtain MAC addresses from FC switches

Explicación

Pregunta 108 de 171

1

What is an accurate statement about Infrastructure as a Service?

Selecciona una de las siguientes respuestas posibles:

Consumer has control over the operating systems and the deployed applications
Consumer only has control over user-specific application configuration settings
Consumer has control over network devices, compute systems, and storage systems
Consumer only has control over the configuration settings of the application-hosting environment

Explicación

Pregunta 109 de 171

1

What is an accurate statement about a logical volume in a compute system?

Selecciona una de las siguientes respuestas posibles:

Can span across multiple physical volumes
Can only be created froma single physical volume
Must be created across multiple volume groups
Allows multiple file systems to run concurrently

Explicación

Pregunta 110 de 171

1

What is a benefit of a storage area network (SAN)?

Selecciona una de las siguientes respuestas posibles:

Enables compute systems across locations to access shared storage
Ensures secure data transmission using only channel technologies
Ensures high response times without the protocol overhead
Enables consolidation of control and data planes in a single system

Explicación

Pregunta 111 de 171

1

What is an accurate statement about an integrated NAS controller?

Selecciona una de las siguientes respuestas posibles:

Contains a specialized operating system dedicated to file serving
Stripes data across multiple NAS systems for data protection
Abstracts and pools NAS controllers across multiple NAS systems
Contains an FC Forwarder that is optimized for file sharing functions

Explicación

Pregunta 112 de 171

1

What is an accurate statement about full volume replication?

Selecciona una de las siguientes respuestas posibles:

Target device is at least as large as the source device
Target device requires only a fraction of the space used by the source device
Target device is accessible only after the replication session starts
Target and source devices should be on different storage arrays

Explicación

Pregunta 113 de 171

1

In continuous data protection (CDP) remote replication, where are the two split write I/Os of
an incoming write I/O directed?

Selecciona una de las siguientes respuestas posibles:

One I/O goes to the local CDP appliance and the other I/O goes to the production volume
One I/O goes to the compute system and the other I/O goes to the production volume
One I/O goes to the remote CDP appliance and the other I/O goes to the replica
One I/O goes to the journal volume and the other I/O goes to the replica

Explicación

Pregunta 114 de 171

1

A customer has a requirement to perform a backup each night. However, the customer has
a limited amount of time for backups to run on week nights,Monday through Friday
evenings.
Which backup granularity type is recommended to meet the backup window for those
nights?

Selecciona una de las siguientes respuestas posibles:

Incremental
Cumulative
Full
Differential

Explicación

Pregunta 115 de 171

1

Which type of digital data has no defined format but has a self-describing structure that
enables its analysis?

Selecciona una de las siguientes respuestas posibles:

Semi-structured data
Structured data
Metadata
Quasi-structured data

Explicación

Pregunta 116 de 171

1

Which capability does big data analytics provide?

Selecciona una de las siguientes respuestas posibles:

Enabling data-driven decisions from large volumes of data
Storing large volumes of data without affecting availability
Reducing the data storage capacity requirement
Performing analytics using traditional tools

Explicación

Pregunta 117 de 171

1

What is an accurate statement about incremental forever backups?

Selecciona una de las siguientes respuestas posibles:

Requires only one initial full back up
Requires periodic full back ups
Backup is not created directly from the production data
Copies the data that has changed since the last full back up

Explicación

Pregunta 118 de 171

1

Which NAS implementation requires separate management of the NAS head and the
storage?

Selecciona una de las siguientes respuestas posibles:

Gateway
Scale-out
Unified
Integrated

Explicación

Pregunta 119 de 171

1

An organization has several virtual machines (VMs) deployed in their data center. The VM
files are stored on a block-based storage system. The applications on the VMs are
impacted during VM backup because the backup agents on the VMs are consuming a large
amount of resources.
Which alternate backup solution is recommended to address this issue?

Selecciona una de las siguientes respuestas posibles:

Image-based backup
Three-way NDMP backup
Two-way NDMP backup
Target-based deduplication backup

Explicación

Pregunta 120 de 171

1

What is a benefit of using converged infrastructure for building a data center?

Selecciona una de las siguientes respuestas posibles:

Reduces the time to acquire and deploythe infrastructure
Provides the flexibility to purchase individual IT components
Integrates existing IT components into the infrastructure
Offers the flexibility to change vendors and prevent vendor lock-in

Explicación

Pregunta 121 de 171

1

What is an example of an availability management task in storage infrastructure
management?

Selecciona una de las siguientes respuestas posibles:

Designing a new replication solution for data redundancy
Performing trend analysis of storage space consumption
Tracking configuration changes to storage components
Specifying storage space quotas for users

Explicación

Pregunta 122 de 171

1

In which data access method does the file system access an iSCSI storage system over a
network?

Selecciona una de las siguientes respuestas posibles:

Block-based
File-based
Object-based
Sector-based

Explicación

Pregunta 123 de 171

1

Which type of digital data consists of textual data with inconsistent formats but can be
formatted with the use of software tools?

Selecciona una de las siguientes respuestas posibles:

Quasi-structured data
Semi-structured data
Metadata
Unstructured data

Explicación

Pregunta 124 de 171

1

An organization performs a full back up every Sunday and cumulative back ups on the
remaining days. On Thursday, a data corruption occurs that requires a data restoration
from the backup copies.
How many backup copies are required to perform this restoration?

Selecciona una de las siguientes respuestas posibles:

1
2
3
4

Explicación

Pregunta 125 de 171

1

Which data center characteristic ensures that adequate resources are provided to
efficiently store and process data?

Selecciona una de las siguientes respuestas posibles:

Capacity
Availability
Scalability
Performance

Explicación

Pregunta 126 de 171

1

What is an accurate statement about a virtual desktop infrastructure?

Selecciona una de las siguientes respuestas posibles:

Each user is provided a dedicated desktop VM with its own operating system and applications
Operating system and applications hosted on a client system are shared by multiple users
Each user has an individual desktop session on the remote compute system in which applications execute
Operating system and applications on the remote desktop are downloaded on the client for local execution

Explicación

Pregunta 127 de 171

1

Which technique protects the data in cache from power failures?

Selecciona una de las siguientes respuestas posibles:

Vaulting
Mirroring
Cache tiering
Idle flushing

Explicación

Pregunta 128 de 171

1

Which solid state drive component performs write coalescing?

Selecciona una de las siguientes respuestas posibles:

Controller
I/O interface
Non-volatile memory
Cache

Explicación

Pregunta 129 de 171

1

In an object-based storage system, data is divided into 10 data segments and 4 coding
segments using the erasure coding technique. What is the maximum number of disk drive
failures against which data is protected by this configuration?

Selecciona una de las siguientes respuestas posibles:

4
6
10
14

Explicación

Pregunta 130 de 171

1

What contains the information about backup configuration and backup metadata?

Selecciona una de las siguientes respuestas posibles:

Backup catalog
Proxy server
Tracking database
Backup image

Explicación

Pregunta 131 de 171

1

What is an accurate statement about remote desktop services?

Selecciona una de las siguientes respuestas posibles:

Operating system and applications hosted on a remote compute system are shared by multiple users
Users are provided dedicated virtual machines running operating system and applications, and hosted on a client system
Users have the flexibility to install applications and modify operating system settings on the remote compute system
Users' interface of the remote desktop is transmitted to the client without the use of a remote display protocol

Explicación

Pregunta 132 de 171

1

What is a benefit of implementing the server flash caching technology in a storage
environment?

Selecciona una de las siguientes respuestas posibles:

Provides performance acceleration for read intensive workloads
Reduces the number of storage systems in a data center
Eliminates the need for cache on a storage system
Improves the network performance during peak workloads

Explicación

Pregunta 133 de 171

1

Which part of the Fibre Channel (FC) frame does the label “X” represent in the exhibit?

Selecciona una de las siguientes respuestas posibles:

Frame Header
CRC
SOF
Data Field

Explicación

Pregunta 134 de 171

1

What is a benefit of application virtualization?

Selecciona una de las siguientes respuestas posibles:

Avoids conflicts between different versions of the same application
Enables an application to directly access a LUN on a storage system
Runs applications without requiring the use of cache memory
Presents more memory to an application than is physically available

Explicación

Pregunta 135 de 171

1

Which data center management process involves collating and presenting the utilization of
resources?

Selecciona una de las siguientes respuestas posibles:

Reporting
Provisioning
Planning
Maintenance

Explicación

Pregunta 136 de 171

1

What accurately describes link aggregation in a SAN?

Selecciona una de las siguientes respuestas posibles:

Combines two or more parallel interswitch links into a single logical interswitch link
Aggregates the data transmission rate of all HBA and storage system port pairs
Consolidates compute-to-compute traffic and storage traffic into a single interswitch link
Replaces multiple parallel interswitch links by a single physical interswitch link

Explicación

Pregunta 137 de 171

1

A service provider is offering cloud services to Enterprise P and Enterprise Q.

Which cloud deployment model does the exhibit represent?

Selecciona una de las siguientes respuestas posibles:

Externally-hosted private cloud
On-premise community cloud
Public cloud
Externally-hosted community cloud

Explicación

Pregunta 138 de 171

1

In an object-based storage system, data is divided into 9 data segments and 3 coding
segments using the erasure coding technique. What is the maximum number of disk drive
failures against which data is protected by this configuration?

Selecciona una de las siguientes respuestas posibles:

3
6
9
12

Explicación

Pregunta 139 de 171

1

What is the purpose of monitoring capacity in a storage infrastructure?

Selecciona una de las siguientes respuestas posibles:

Tracking the amount of storage infrastructure resources used and available
Evaluating utilization of components and identifying bottlenecks
Tracking configuration changes to the storage infrastructure elements
Identifying component failures that may lead to service unavailability

Explicación

Pregunta 140 de 171

1

An organization plans to deploy a new application in their environment. The new
application requires 4 TB of storage space. During peak workloads, the application is
expected to generate 4900 IOPS with a typical I/O size of 8 KB. The capacity of each
available disk drive is 500 GB. The maximum number of IOPS a drive can perform at with a
70 percent utilization is 110 IOPS.
What is the minimum number of disk drives needed to meet the applications capacity and
performance requirements given a RAID 0 configuration?

Selecciona una de las siguientes respuestas posibles:

8
20
30
45

Explicación

Pregunta 141 de 171

1

An organization plans to deploy a new backup device in their data center. The organization
wants the new backup device to support their legacy backup software without requiring any
changes to the software. In addition, the organization wants the backup device to provide
random data access for better performance.
Which backup device should be recommended?

Selecciona una de las siguientes respuestas posibles:

Virtual tape library
Tape-based backup appliance
Tape library
Optical juke box

Explicación

Pregunta 142 de 171

1

What is a benefit of implementing a virtual machine (VM) storage migration?

Selecciona una de las siguientes respuestas posibles:

Balances storage utilization by redistributing VMs across different storage systems
Enables VMs to keep functioning even if the source data is lost due to a failure
Improves the security of applications running inside VMs on the migrated storage system
Reduces the overall storage system capacity requirements for organizations

Explicación

Pregunta 143 de 171

1

Which type of storage device does the “X” represent in the exhibit?

Selecciona una de las siguientes respuestas posibles:

Object-based
Block-based
File-based
Unified-based

Explicación

Pregunta 144 de 171

1

What is an accurate statement about a hardware RAID implementation?

Selecciona una de las siguientes respuestas posibles:

Uses a specialized hardware controller installed on a storage array
Uses CPU cycles of a compute system to perform RAID calculations
Requires a RAID controller and operating system to be compatible
Offers a low-cost solution for providing disk protection

Explicación

Pregunta 145 de 171

1

What is a component of an FCoE switch?

Selecciona una de las siguientes respuestas posibles:

Ethernet Bridge
Virtual N_Port
Converged Network Adapter
FCIP Forwarder

Explicación

Pregunta 146 de 171

1

Which EMC product enables management for Vblock systems?

Selecciona una de las siguientes respuestas posibles:

Unified Infrastructure Manager
MirrorView
Service Assurance Suite
ViPR SRM

Explicación

Pregunta 147 de 171

1

In which stage of the business continuity planning lifecycle does an organization identify
critical business processes and assign recovery priorities?

Selecciona una de las siguientes respuestas posibles:

Analyzing
Establishing objectives
Designing and developing
Implementing

Explicación

Pregunta 148 de 171

1

What is signified by the “variety” characteristic of big data?

Selecciona una de las siguientes respuestas posibles:

Data is generated in different formats by numerous sources
Meaning of the data changes constantly
Varying data quality affects its reliability and accuracy
Data change rate affects its timely analysis

Explicación

Pregunta 149 de 171

1

What is an example of a security management task in a storage infrastructure?

Selecciona una de las siguientes respuestas posibles:

Configuring LUN masking to restrict hosts from accessing a specific LUN
Enforcing storage space quotas to restrict users from overprovisioning resources
Restricting the number of simultaneous client access to application servers
Enabling sending messages to a support center in the event of resource failure

Explicación

Pregunta 150 de 171

1

What maps the logical path of a file system to its physical path in a file-level virtualization
implementation?

Selecciona una de las siguientes respuestas posibles:

Global namespace
Remote procedure call
Distributed file system
Cache coherency

Explicación

Pregunta 151 de 171

1

An application generates 4200 small random I/Os at peak workloads with a read/write ratio
of 2:1. What is the disk load at peak activity for a RAID 6 configuration?

Selecciona una de las siguientes respuestas posibles:

2800
5600
8400
11200

Explicación

Pregunta 152 de 171

1

Which feature of an object-based storage system abstracts and provides a common view of
storage independent of location to applications?

Selecciona una de las siguientes respuestas posibles:

Global namespace
Flexible data access
Multi-tenancy
Scale-out architecture

Explicación

Pregunta 153 de 171

1

Which EMC product provides a software-defined storage platform to create a compute-
based storage area network?

Selecciona una de las siguientes respuestas posibles:

ScaleIO
XtremIO
Isilon
Atmos

Explicación

Pregunta 154 de 171

1

Which type of LUN provides full control for precise data placement and allows an
administrator to create LUNs on different RAID sets if there is workload contention?

Selecciona una de las siguientes respuestas posibles:

Traditional
Thin
Journal
Bitmap

Explicación

Pregunta 155 de 171

1

Which fabric login type enables two N_Ports to exchange service parameters to establish a
session?

Selecciona una de las siguientes respuestas posibles:

PLOGI
PRLI
FLOGI
WWPN

Explicación

Pregunta 156 de 171

1

An organization plans to deploy a new application in their environment. The new
application requires 3 TB of storage space. During peak workloads, the application is
expected to generate 2450 IOPS with a typical I/O size of 2 KB. The capacity of each
available disk drive is 500 GB. The maximum number of IOPS a drive can perform at with
70percent utilization is 90 IOPS.
What is the minimum number of disk drives needed to meet the applications capacity and
performance requirements given a RAID 0 configuration?

Selecciona una de las siguientes respuestas posibles:

6
16
25
28

Explicación

Pregunta 157 de 171

1

Which cloud computing characteristic enables multi-tenancy and abstracts the location of
provided resources?

Selecciona una de las siguientes respuestas posibles:

Resource pooling
Measured service
Rapid elasticity
Broad network access

Explicación

Pregunta 158 de 171

1

In an FCoE environment, which functionality provides a framework for the allocation of
bandwidth to different network traffic classes?

Selecciona una de las siguientes respuestas posibles:

Enhanced transmission selection
Priority-based flow control
Congestion notification
Data center bridging exchange protocol

Explicación

Pregunta 159 de 171

1

What is an accurate statement about the Common Internet File System (CIFS) protocol?

Selecciona una de las siguientes respuestas posibles:

Enables a CIFS server to maintain connection information regarding every connected client
Uses a Remote Procedure Call mechanism to provide access to the CIFS supported file systems
Contains an open variation of the stateless user datagram protocol that stores information about open files
Uses file system locking to enable users to simultaneously overwrite all metadata of a file system

Explicación

Pregunta 160 de 171

1

What is a benefit of deploying a Defense in Depth strategy?

Selecciona una de las siguientes respuestas posibles:

Provides additional time for organizations to detect and respond to an attack
Eliminates the attack vector from the IT infrastructure
Eliminates the attack surface from the IT infrastructure
Enables organizations to deploy a unified security solution

Explicación

Pregunta 161 de 171

1

An administrator has defined a backup policy. Full backups will be performed at 8 PM every
Monday and incremental backups performed at 8 PM the remaining days.
How many backup copies are required to restore the files if they were accidentally deleted
on Friday morning?

Selecciona una de las siguientes respuestas posibles:

1
2
3
4

Explicación

Pregunta 162 de 171

1

What enables an administrator to create device groups in an IP-SAN for restricting device
communications to a group?

Selecciona una de las siguientes respuestas posibles:

iSNS discovery domain
NIC teaming
Demilitarized zone
Security identifier

Explicación

Pregunta 163 de 171

1

What improves the performance of multi-threaded large block I/O workloads on a solid
state drive?

Selecciona una de las siguientes respuestas posibles:

Parallel I/O channels
I/O coalescing
Native command queuing
High capacity RAM cache

Explicación

Pregunta 164 de 171

1

Which elements are associated with an object in an object-based storage system?

Selecciona una de las siguientes respuestas posibles:

Data, metadata, object ID, and attributes
LUN ID, data, metadata, and object ID
Metadata, object ID, attributes, and file path
Object ID, attributes, LUN ID, and file path

Explicación

Pregunta 165 de 171

1

What is an accurate statement about infrastructure discovery?

Selecciona una de las siguientes respuestas posibles:

Creates an inventory of infrastructure components and provides information about the components
Standardizes on-going infrastructure management activities andassesses potential risks of the activities
Classifies, organizes, and analyzes all infrastructure management bestpractices stored in data lakes
Detects potential security attacks on a storage infrastructure and deploys specialized tools to eliminate the attacks

Explicación

Pregunta 166 de 171

1

What is an accurate statement about a denial-of-service attack?

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Prevents legitimate users fromaccessing resources or services
Intentional misuse of privileges to compromise data security
Gaining unauthorized access to a user’s accounts and data
Captures a user’s credentials and then sends to the attacker

Explicación

Pregunta 167 de 171

1

What accurately describes the function of the policy engine in a file-level storage tiering
environment?

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Facilitates moving data from primary storage to secondary storage based on pre-defined policies
Creates a stub file in secondary storage pointing to data on the primary storage
Ensures that primary and secondary storage have identical data for compliance
Runs the backup agent and determines the files to be copied to the secondary storage

Explicación

Pregunta 168 de 171

1

An organization plans to deploy a new application in their environment. The new
application requires 2 TB of storage space. During peak workloads, the application is
expected to generate 9800 IOPS with a typical I/O size of 4 KB. The capacity of each
available disk drive is 250 GB. The maximum number of IOPS a drive can perform at with
70percent utilization is 90 IOPS.
What is the minimum number of disk drives needed to meet the applications capacity and
performance requirements given a RAID 0 configuration?

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8
70
110
140

Explicación

Pregunta 169 de 171

1

What is an accurate statement about OpenID control?

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Enables an organization to use authentication services from an identity provider
Enables initiators and targets to authenticate each other by using a shared secret code
Provides strong authentication for client-server applications by using secret-key cryptography
Allows a client to access protected resources from a resource server on behalf of a resource owner

Explicación

Pregunta 170 de 171

1

What provides the ability to automatically relocate extents across physical storage drives
over the entire pool when new drives are added to the pool?

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Storage pool rebalancing
Extent relocation
Storage pool tiering
Automated extent tiering

Explicación

Pregunta 171 de 171

1

Which process groups multiple physical drives and presents them to a compute system as
a single logical volume?

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Concatenation
Partitioning
Striping
Orchestration

	Creado por Carlos Rodrigo Hernandez Sanchez hace más de 7 años

Test sobre ISMV3, creado por Carlos Rodrigo Hernandez Sanchez el 29/08/2017.

Pregunta 1 de 171

What is a benefit when a node is added to a scale-out NAS cluster?

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Explicación

Pregunta 2 de 171

Which EMC product provides a software-defined platform that supports both block and file storage services?

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Explicación

Pregunta 3 de 171

What is an advantage of performing cumulative backups compared to incremental backups for the same data?

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Explicación

Pregunta 4 de 171

In an FC SAN environment, an administrator wants to ensure that a particular switch port cannot function as an E_Port and cannot be used to create an interswitch link. Which security mechanism should the administrator use?

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Explicación

Pregunta 5 de 171

What is an advantage of the changed block tracking backup technique?

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Explicación

Pregunta 6 de 171

What is an accurate statement about Platform as a Service?

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Explicación

Pregunta 7 de 171

Which action takes place during the login phase in an FCoE SAN?

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Explicación

Pregunta 8 de 171

How does an iSCSI initiator discover its targets?

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Explicación

Pregunta 9 de 171

What is determined based on the recovery point objective in an asynchronous remote replication?

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Explicación

Pregunta 10 de 171

What is a function of the FC-1 layer of the Fibre Channel (FC) protocol stack?

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Explicación

Pregunta 11 de 171

An application generates 8400 small random I/Os at peak workloads with a read/write ratio of 2:1. What is the disk load at peak activity for a RAID 1/0 configuration?

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Explicación

Pregunta 12 de 171

What accurately describes the flow control mechanism in an FC SAN?

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Explicación

Pregunta 13 de 171

What is an accurate statement about the application presentation technique of application virtualization?

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Explicación

Pregunta 14 de 171

What is signified by the “variability” characteristic of big data?

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Explicación

Pregunta 15 de 171

What is an advantage of a software-based object storage implementation?

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Explicación

Pregunta 16 de 171

What is a function of the NDMP server in an NDMP-based backup approach?

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Explicación

Pregunta 17 de 171

What is an accurate statement about OAuth security control?

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Explicación

Pregunta 18 de 171

Which type of Fibre Channel (FC) ports do the labels "X" and "Y" represent in the exhibit?

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Explicación

Pregunta 19 de 171

Which fabric login type occurs between two N_Ports to exchange FC-4 upper layer protocol-related parameters?

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Explicación

Pregunta 20 de 171

What is a characteristic of software-defined networking?

Which EMC product provides a software-defined platform that supports both block and file
storage services?

What is an advantage of performing cumulative backups compared to incremental backups
for the same data?

In an FC SAN environment, an administrator wants to ensure that a particular switch port
cannot function as an E_Port and cannot be used to create an interswitch link. Which
security mechanism should the administrator use?

What is determined based on the recovery point objective in an asynchronous remote
replication?

An application generates 8400 small random I/Os at peak workloads with a read/write ratio
of 2:1. What is the disk load at peak activity for a RAID 1/0 configuration?

What is an accurate statement about the application presentation technique of application
virtualization?

Which fabric login type occurs between two N_Ports to exchange FC-4 upper layer
protocol-related parameters?

Which process uses a file-level storage tiering technique to perform policy-based data
movement?

To improve performance, which EMC product allows a PCIe flash card to be deployed in a
compute system?

Which data center characteristic ensures that data is stored and retrieved exactly as it was
received?

Which VMware product provides a network virtualization platform for a software-defined
data center?