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Quiz von Jakub Sabacinski, aktualisiert more than 1 year ago
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Erstellt von Jakub Sabacinski
vor mehr als 7 Jahre
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Frage 1
Frage
What is an accurate statement about VSAN trunking?
Antworten
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Allows network traffic from multiple VSANs to traverse a single interswitch link
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Enables an F_Port to transfer multiple VSAN traffic over a single port channel
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Provides VSANIDs to F_Ports to include them in the VSANs
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Forwards FC frames between F_Ports that belong to the same VSAN
Frage 2
Frage
What accurately describes the flow control mechanism in an FC SAN?
Antworten
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Both transmitting and receiving ports agree on the number of buffers available during port login
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Negotiation occurs between an E_Port and an F_Port, and between two N_Ports
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Credit value is incremented when a frame is transmitted and decremented upon receiving a response
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Receiver Ready (R_RDY) is sent from the receiving port if available credits reach zero
Frage 3
Frage
What is enabled by the N_Port ID virtualization (NPIV)?
Antworten
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A single physical N_Port to obtain multiple FC addresses
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A single virtual N_Port to act as a physical Ethernet port
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A virtualization layer to map virtual volumes to LUN IDs
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A single physical N_Port to act as a virtual HBA port
Frage 4
Frage
What is a benefit of N_Port virtualization (NPV)?
Antworten
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Reduces the number of domain IDs in a fabric
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Eliminates the overhead of fabric services in an FC SAN
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Enables online expansion of virtual volumes
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Allows an N_Port to transfer multiple VSAN traffic
Frage 5
Frage
Which fabric login type enables two N_Ports to exchange service parameters to establish a session?
Antworten
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PLOGI
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PRLI
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FLOGI
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WWPN
Frage 6
Frage
Which type of login is performed between an N_Port and an F_Port in a Fibre Channel SAN environment?
Antworten
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FLOGI
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PLOGI
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PRLI
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WWPN
Frage 7
Frage
Which fabric login type occurs between two N_Ports to exchange FC-4 upper layer protocol related parameters?
Antworten
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PRLI
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FLOGI
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PLOGI
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WWNN
Frage 8
Frage
How does an iSCSI initiator discover its targets?
Antworten
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Initiator sends a query to an iSNS server for a list of available targets
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Initiator receives the iSCSI names of its targets from the primary DNS server
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Initiator uses the data center bridging exchange protocol for the discovery
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Initiator sends SCSI commands and the target responds by sending its name
Frage 9
Frage
What is a benefit of configuring EX_Ports on each Fibre Channel over IP (FCIP) gateway in an FCIP tunnel implementation?
Antworten
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Enables FC-FC routing through the FCIP tunnel without merging the fabrics
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Merges the fabrics at either end of the FCIP tunnel to create a single large fabric
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Transfers VSAN tagged traffic over the FCIP tunnel without FC protocol overhead
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Creates eight virtual FC links on the FCIP tunnel that can be paused and restarted independently
Frage 10
Frage
Which lossless Ethernet functionality helps Converged Enhanced Ethernet (CEE) devices to convey and configure their features with the other CEE devices in the network?
Antworten
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Data center bridging exchange protocol
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Enhanced transmission selection
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Priority-based flow control
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Congestion notification
Frage 11
Frage
In an FCoE environment, which functionality provides a framework for the allocation of bandwidth to different network traffic classes?
Antworten
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Enhanced transmission selection
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Priority-based flow control
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Congestion notification
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Data center bridging exchange protocol
Frage 12
Frage
What is a component of an FCoE switch?
Antworten
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Ethernet Bridge
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Virtual N_Port
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Converged Network Adapter
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FCIP Forwarder
Frage 13
Frage
What is a function of a Fibre Channel Forwarder in an FCoE SAN?
Antworten
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Applies zoning configurations and provides fabric services
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Transfers FCoE traffic over an FC SAN
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Encapsulates IP packets into FC frames
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Provides both NIC and FC HBA functionality
Frage 14
Frage
What is an accurate statement about VLANs and VSANs in an FCoE environment with an existing FC SAN?
Antworten
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A dedicated VLAN must be configured for each VSAN
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VLANs configured for VSANs must carry regular LAN traffic
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Default VLAN must map to all VSANs defined in the FCoE switch
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A minimum of four VLANs must be created to isolate VSAN traffic
Frage 15
Frage
Which action takes place during the login phase in an FCoE SAN?
Antworten
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VN_Ports obtain FC addresses
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Nodes locate the Fibre Channel Forwarder
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Initialization protocol starts transporting FC data
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VN_Port to N_Port pairing is established
Frage 16
Frage
What is an accurate statement about a fabric-provided MAC address (FPMA) used in an FCoE SAN
Antworten
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FCoE switches provide MAC addresses to VN_Ports during node login
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FC switches provide MAC addresses to VE_Ports dynamically during discovery
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Compute systems provide MAC addresses to the VF_Ports on FCoE switches
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Both VF_Ports and VE_Ports obtain MAC addresses from FC switches
Frage 17
Frage
What is determined by the recovery point objective in a business continuity solution?
Antworten
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Frequency of the backup
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Type of backup devices
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Type of disaster recovery site
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Distance between the primary and disaster recovery sites
Frage 18
Frage
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?
Antworten
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5 hours
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35 hours
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40 hours
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51 hours
Frage 19
Frage
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?
Antworten
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3 hours
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37 hours
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40 hours
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53 hours
Frage 20
Frage
In which stage of the business continuity planning life cycle does an organization identify critical business processes and assign recovery priorities?
Antworten
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Analyzing
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Establishing objectives
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Designing and developing
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Implementing
Frage 21
Frage
What refers to an IT infrastructure's ability to function based on business expectations during its specified time of operations?
Antworten
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Information availability
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Disaster recovery
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Compliance adherence
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Business agility
Frage 22
Frage
What is a benefit of backing up data to a disk library?
Antworten
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Provides improved backup and recovery performance
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Provides built-in portability to meet offsite requirements
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Supports the shoe shining effect for improved backup performance
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Pre-configured and dedicated appliance is only used for backups
Frage 23
Frage
What is an accurate statement about three-way NDMP backup in a NAS environment?
Antworten
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Backup data is sent directly from NAS to the backup device
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Backup data is sent to the backup device through the application servers
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A dedicated backup device is required for each NAS
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All NAS systems should have the same operating environment
Frage 24
Frage
An organization performs a full back up every Sunday and cumulative backups 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?
Antworten
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1
-
2
-
3
-
4
Frage 25
Frage
An organization performs a full back up every Sunday and incremental backups 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?
Antworten
-
2
-
4
-
5
-
6
Frage 26
Frage
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?
Antworten
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1
-
2
-
3
-
4
Frage 27
Frage
What is a function of the NDMP server in an NDMP-based backup approach?
Antworten
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Reads the data from the storage device and sends the data to the backup device
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Reads the data from the backup server and sends the data to the backup device
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Instructs the NAS head to start the backup operation
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Instructs the backup agent on the client to send the data to the backup device
Frage 28
Frage
Which component is required for a “recovery-in-place” backup approach?
Antworten
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Disk-based backup target
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Agent-based backup client
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NDMP server
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Data deduplication server
Frage 29
Frage
What is a benefit of a “recovery-in-place” backup approach in a virtualized data center?
Antworten
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Provides instant recovery of a failed virtual machine
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Reduces the recovery point objective
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Eliminates redundant data during virtual machine backups
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Eliminates the backup window
Frage 30
Frage
What is an advantage of performing cumulative backups compared to incremental backups for the same data?
Antworten
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Facilitates faster restores
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Facilitates faster backups
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Reduces the storage space required for backups
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Eliminates the need for full backups
Frage 31
Frage
What is an accurate statement about a virtual tape library?
Antworten
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Legacy backup software can be used without additional modules or changes
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Portability of physical tapes to offsite locations is supported
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Only sequential data access for both backup and recovery is supported
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Regular maintenance tasks associated with a physical tape drive are required
Frage 32
Frage
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?
Antworten
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Virtual tape library
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Tape-based backup appliance
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Tape library
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Optical juke box
Frage 33
Frage
What contains the information about backup configuration and backup metadata?
Antworten
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Backup catalog
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Proxy server
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Tracking database
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Backup image
Frage 34
Frage
What is an advantage of the changed block tracking backup technique?
Antworten
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Reduces the backup window
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Enables restoration to any point-in-time
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Eliminates the need for data deduplication
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Increases backup device performance
Frage 35
Frage
What is an accurate statement about incremental forever backups?
Antworten
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Requires only one initial full back up
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Requires periodic full back ups
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Backup is not created directly from the production data
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Copies the data that has changed since the last full back up
Frage 36
Frage
Why is it important for organizations to maintain a copy of data at a remote site?
Antworten
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Ensure disaster recovery
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Provide operational recovery
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Ensure data archiving to meet regulatory requirements
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Provide flexibility to use stub files for production operations
Frage 37
Frage
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?
Antworten
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Image-based backup
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Three-way NDMP backup
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Two-way NDMP backup
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Target-based deduplication backup
Frage 38
Frage
What is an accurate statement about three-way NDMP backup in a NAS environment?
Antworten
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Backup device can be shared among multiple NAS heads
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Each NAS head should have a dedicated backup device
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Backup data traverses at least three NAS heads before reaching the backup device
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Backup is performed only when three or more NAS heads are present
Frage 39
Frage
Which type of storage system is built specifically for storing fixed content?
Antworten
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Content addressed storage
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Block-based storage
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File-based storage
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Unified storage
Frage 40
Frage
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?
Antworten
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Post-process
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Source-based global deduplication
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Variable-length segment and source-based
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Fixed-length block and source-based
Frage 41
Frage
What is an accurate statement about the function of an archiving server?
Antworten
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Enables the ability to configure policies for archiving data
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Installs agents on the archiving storage device
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Scans the data that can be archived on application servers
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Creates stub files on an archiving storage device
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