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Quiz on ISM (1- 40), created by E Notions on 11/07/2017.

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ISM (1- 40)

Question 1 of 41

1

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

Select one of the following:

  • Scalability

  • Capacity

  • Performance

  • Availability

Explanation

Question 2 of 41

1

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

Select one of the following:

  • Maintenance

  • Reporting

  • Planning

  • Provisioning

Explanation

Question 3 of 41

1

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

Select one of the following:

  • Metadata

  • Quasi-structured data

  • Semi-structured data

  • Structured data

Explanation

Question 4 of 41

1

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

Select one of the following:

  • Metadata

  • Unstructured data

  • Quasi-structured data

  • B. Semi-structured data

Explanation

Question 5 of 41

1

What is an accurate statement about a hybrid cloud?

Select one of the following:

  • Enables the entire cloud infrastructure tobe controlled by the consumer’s IT staff

  • Supports data and application portability for load balancing between clouds

  • Allows organizations with common concerns to share the cost of deploying the cloud

  • Allows an organization to outsource the implementation of a private cloud to a cloud provider

Explanation

Question 6 of 41

1

What is an accurate statement about Software as a Service?

Select one of the following:

  • Consumer has control over the operating systems and deployed applications

  • Consumer has limited control over user-specific application configuration settings

  • Consumer has limited control over select networking components, such as host firewalls

  • Consumer has control over the configuration settings of the application-hosting environment

Explanation

Question 7 of 41

1

Which cloud service does VMware vCloud Air provide?

Select one of the following:

  • Software as a Service

  • Platform as a Service

  • Database as a Service

  • Infrastructure as a Service

Explanation

Question 8 of 41

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?

Select one of the following:

  • 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 externally-hosted private cloud. Deploy the less critical applications on an on-premise private cloud.

  • 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. Deploythe less critical applications on a public cloud.

Explanation

Question 9 of 41

1

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

Select one of the following:

  • 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

  • Enables control and optimization of resource use

Explanation

Question 10 of 41

1

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

Select one of the following:

  • Broad Network Access

  • Resource Pooling

  • Rapid Elasticity

  • Measured Service

Explanation

Question 11 of 41

1

What is an accurate statement about Infrastructure as a Service?

Select one of the following:

  • Consumer has control over the operating systems and the deployed applications

  • Consumer has control over network devices, compute systems, and storage systems

  • Consumer only has control over the configuration settings of the application-hosting environment

  • Consumer only has control over user-specific application configuration settings

Explanation

Question 12 of 41

1

What is an accurate statement about Platform as a Service?

Select one of the following:

  • Consumer has control over the operating system and database management system

  • Consumer has control over the deployed applications

  • Consumer has control over the operating system and storage

  • Consumer has control over the programming languages and tools

Explanation

Question 13 of 41

1

Which capability does big data analytics provide?

Select one of the following:

  • Performing analytics using traditional tools

  • Reducing the data storage capacity requirement

  • Storing large volumes of data without affecting availability

  • Enabling data-driven decisions from large volumes of data

Explanation

Question 14 of 41

1

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

Select one of the following:

  • Meaning of the data changes constantly

  • Varying data quality affects its reliability and accuracy

  • Data is generated in different formats by numerous sources

  • Data change rate affects its timely analysis

Explanation

Question 15 of 41

1

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

Select one of the following:

  • Data is generated in different formats by numerous sources

  • Meaning of the data changes constantly

  • Data change rate affects its timely analysis

  • Varying data quality affects its reliability and accuracy

Explanation

Question 16 of 41

1

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

Select one of the following:

  • Adopting virtualization technologies to enable automation

  • Building new technical and business skills in the IT staff

  • Provisioning IT resources through a self-service portal

  • Establishing new roles and responsibilities to manage IT services

Explanation

Question 17 of 41

1

What is an accurate statement about a data lake?

Select one of the following:

  • Provides a single consistent view of data across an organization for report generation

  • Stores data as an exact or near-exact copy of the source format

  • Supports query and analysis byclassifying and organizing data before storing

  • Stores current and historical data in a structured format on object-based storage

Explanation

Question 18 of 41

1

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

Select one of the following:

  • Single self-contained package with integrated hardware and software components

  • Ability for multiple operating systems to run concurrently on a single physical compute system

  • Mechanisms to automatically create application programming interfaces for centralized management

  • Ability to pool and abstract physical storage and present it as an open storage platform

Explanation

Question 19 of 41

1

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

Select one of the following:

  • Provides the flexibility to purchase individual IT components

  • Integrates existing IT components into the infrastructure

  • Reduces the time to acquire and deploy the infrastructure

  • Offers the flexibility tochange vendors and prevent vendor lock-in

Explanation

Question 20 of 41

1

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

Select one of the following:

  • Measures the consumption of IT resources by various services

  • Aggregates physical infrastructure components into resource pools

  • Decouples an operating environment from the underlying hardware

  • Provides workflows for automated execution of management tasks

Explanation

Question 21 of 41

1

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

Select one of the following:

  • EMC VPLEX

  • VCE Vblock

  • EMC ViPR

  • VMware vCloud

Explanation

Question 22 of 41

1

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

Select one of the following:

  • ESXi

  • Horizon

  • AirWatch

  • NSX

Explanation

Question 23 of 41

1

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

Select one of the following:

  • Concatenation

  • Orchestration

  • Striping

  • Partitioning

Explanation

Question 24 of 41

1

What is a benefit of application virtualization?

Select one of the following:

  • Presents more memory to an application than is physically available

  • Runs applications without requiring the use of cache memory

  • Avoids conflicts between different versions of the same application

  • Enables an application to directly access a LUN on a storage system

Explanation

Question 25 of 41

1

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

Select one of the following:

  • Application is downloaded in portions on the 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

  • Application executes remotely and its user interface is transmitted to the client

Explanation

Question 26 of 41

1

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

Select one of the following:

  • Application executes on the client without the use of a locally-installed agent

  • Application is downloaded in portions on the client for local execution

  • Application executes remotely and its user interface is transmitted to the client

  • Application is converted into a standalone package that directly executes on the client

Explanation

Question 27 of 41

1

What is an accurate statement about remote desktop services?

Select one of the following:

  • Users' interface of the remote desktop is transmitted to the clientwithout the use of a remote display protocol

  • Users have the flexibility to install applications and modify operating system settings on the remote compute system

  • Users are provided dedicated virtual machines runningoperating system and applications, and hosted on a client system

  • Operating system and applications hosted on a remote compute system are shared by multiple users

Explanation

Question 28 of 41

1

What is an accurate statement about a virtual desktop infrastructure?

Select one of the following:

  • Operating system and applications hosted on a client system are shared by multiple users

  • Each user is provided a dedicated desktop VM with its own operating system and applications

  • 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 downloadedon the client for local execution

Explanation

Question 29 of 41

1

What is a function of a virtual machine manager?

Select one of the following:

  • Maps the virtual machine hardware to the hypervisor kernel

  • Presents resource requests from a virtual machine directly to physical hardware

  • Abstracts physical hardware and presents it to a virtual machine

  • Sends resource requests from multiple virtual machines to thehypervisor kernel

Explanation

Question 30 of 41

1

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

Select one of the following:

  • Can span across multiple physical volumes

  • Allows multiple file systems to run concurrently

  • Must be created across multiple volume groups

  • Can only be created from a single physical volume

Explanation

Question 31 of 41

1

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

Select one of the following:

  • Sector-based

  • Object-based

  • Block-based

  • File-based

Explanation

Question 32 of 41

1

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

Select one of the following:

  • I/O coalescing

  • Parallel I/O channels

  • Native command queuing

  • High capacity RAM cache

Explanation

Question 33 of 41

1

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

Select one of the following:

  • Block-based

  • Object-based

  • Sector-based

  • File-based

Explanation

Question 34 of 41

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 70 percent utilization is 90 IOPS.

What is the minimum number of disk drives needed to meet the application’s capacity and performance requirements given a RAID 0 configuration?

Select one of the following:

  • 8

  • 110

  • 70

  • 140

Explanation

Question 35 of 41

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 70 percent utilization is 90 IOPS.

What is the minimum number of disk drives needed to meet the application’s capacity and performance requirements given a RAID 0 configuration?

Select one of the following:

  • 28

  • 16

  • 25

  • 6

Explanation

Question 36 of 41

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 application’s capacity and performance requirements given a RAID 0 configuration?

Select one of the following:

  • 8

  • 20

  • 30

  • 45

Explanation

Question 37 of 41

1

What accurately describes the seek time of a disk drive?

Select one of the following:

  • Time taken by the controller to service an I/O from the application

  • Time taken to read a block of data from the platter

  • Time taken by the platter to position the data under the read/write head

  • Time taken to position the read/write head over the correct track

Explanation

Question 38 of 41

1

Which solid state drive component performs write coalescing?

Select one of the following:

  • Controller

  • I/O interface

  • Non-volatile memory

  • Cache

Explanation

Question 39 of 41

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?

Select one of the following:

  • 5600

  • 11200

  • 16800

  • 22400

Explanation

Question 40 of 41

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?

Select one of the following:

  • 16800

  • 11200

  • 22400

  • 4800

Explanation

Question 41 of 41

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?

Select one of the following:

  • 2800

  • 5600

  • 8400

  • 11200

Explanation

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