9534104
Questão 1
Questão
Which data center characteristic ensures that adequate resources are provided to efficiently store and process data?
Responda
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Scalability
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Capacity
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Performance
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Availability
Questão 2
Questão
Which data center management process involves collating and presenting the utilization of resources?
Responda
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Maintenance
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Reporting
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Planning
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Provisioning
Questão 3
Questão
Which type of digital data has no defined format but has a self-describing structure that enables its analysis?
Responda
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Metadata
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Quasi-structured data
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Semi-structured data
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Structured data
Questão 4
Questão
Which type of digital data consists of textual data with inconsistent formats but can be formatted with the use of software tools?
Responda
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Metadata
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Unstructured data
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Quasi-structured data
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B. Semi-structured data
Questão 5
Questão
What is an accurate statement about a hybrid cloud?
Responda
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Enables the entire cloud infrastructure tobe controlled by the consumer’s IT staff
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Supports data and application portability for load balancing between clouds
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Allows organizations with common concerns to share the cost of deploying the cloud
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Allows an organization to outsource the implementation of a private cloud to a cloud provider
Questão 6
Questão
What is an accurate statement about Software as a Service?
Responda
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Consumer has control over the operating systems and deployed applications
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Consumer has limited control over user-specific application configuration settings
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Consumer has limited control over select networking components, such as host firewalls
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Consumer has control over the configuration settings of the application-hosting environment
Questão 7
Questão
Which cloud service does VMware vCloud Air provide?
Responda
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Software as a Service
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Platform as a Service
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Database as a Service
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Infrastructure as a Service
Questão 8
Questão
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?
Responda
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Deploy the business-critical applications on an on-premise private cloud.Deploy the less critical applications on an externally-hosted private cloud.
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Deploy the business-critical applications on an externally-hosted private cloud. Deploy the less critical applications on an on-premise private cloud.
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Deploy the business-critical applications on an externally-hosted private cloud. Deploy the less critical applications on a public cloud.
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Deploy the business-critical applications on an on-premise private cloud. Deploythe less critical applications on a public cloud.
Questão 9
Questão
Which benefit does the measured service characteristic provide to a cloud service provider?
Responda
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Enables cloud services to communicate with each other
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Enables availability of specific resources depending on policy
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Enables the reduction and/or elimination of upfront IT expenditure
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Enables control and optimization of resource use
Questão 10
Questão
Which Cloud computing characteristic enables multi-tenancy and abstracts the location of provided resources?
Responda
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Broad Network Access
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Resource Pooling
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Rapid Elasticity
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Measured Service
Questão 11
Questão
What is an accurate statement about Infrastructure as a Service?
Responda
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Consumer has control over the operating systems and the deployed applications
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Consumer has control over network devices, compute systems, and storage systems
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Consumer only has control over the configuration settings of the application-hosting environment
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Consumer only has control over user-specific application configuration settings
Questão 12
Questão
What is an accurate statement about Platform as a Service?
Responda
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Consumer has control over the operating system and database management system
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Consumer has control over the deployed applications
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Consumer has control over the operating system and storage
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Consumer has control over the programming languages and tools
Questão 13
Questão
Which capability does big data analytics provide?
Responda
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Performing analytics using traditional tools
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Reducing the data storage capacity requirement
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Storing large volumes of data without affecting availability
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Enabling data-driven decisions from large volumes of data
Questão 14
Questão
What is signified by the “variety” characteristic of big data?
Responda
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Meaning of the data changes constantly
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Varying data quality affects its reliability and accuracy
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Data is generated in different formats by numerous sources
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Data change rate affects its timely analysis
Questão 15
Questão
What is signified by the “variability” characteristic of big data?
Responda
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Data is generated in different formats by numerous sources
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Meaning of the data changes constantly
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Data change rate affects its timely analysis
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Varying data quality affects its reliability and accuracy
Questão 16
Questão
What does the transformation of an operating model for third platform adoption involve?
Responda
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Adopting virtualization technologies to enable automation
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Building new technical and business skills in the IT staff
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Provisioning IT resources through a self-service portal
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Establishing new roles and responsibilities to manage IT services
Questão 17
Questão
What is an accurate statement about a data lake?
Responda
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Provides a single consistent view of data across an organization for report generation
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Stores data as an exact or near-exact copy of the source format
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Supports query and analysis byclassifying and organizing data before storing
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Stores current and historical data in a structured format on object-based storage
Questão 18
Questão
Which capability is provided by a software-defined storage controller?
Responda
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Single self-contained package with integrated hardware and software components
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Ability for multiple operating systems to run concurrently on a single physical compute system
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Mechanisms to automatically create application programming interfaces for centralized management
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Ability to pool and abstract physical storage and present it as an open storage platform
Questão 19
Questão
What is a benefit of using converged infrastructure for building a data center?
Responda
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Provides the flexibility to purchase individual IT components
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Integrates existing IT components into the infrastructure
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Reduces the time to acquire and deploy the infrastructure
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Offers the flexibility tochange vendors and prevent vendor lock-in
Questão 20
Questão
What is a function of the orchestration layer in a data center infrastructure?
Responda
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Measures the consumption of IT resources by various services
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Aggregates physical infrastructure components into resource pools
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Decouples an operating environment from the underlying hardware
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Provides workflows for automated execution of management tasks
Questão 21
Questão
Which product provides an integrated IT infrastructure solution for data center deployment by combining IT resources into a single package?
Responda
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EMC VPLEX
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VCE Vblock
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EMC ViPR
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VMware vCloud
Questão 22
Questão
Which VMware product provides a network virtualization platform for a software-defined data center?
Responda
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ESXi
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Horizon
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AirWatch
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NSX
Questão 23
Questão
Which process groups multiple physical drives and presents them to a compute system as a single logical volume?
Responda
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Concatenation
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Orchestration
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Striping
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Partitioning
Questão 24
Questão
What is a benefit of application virtualization?
Responda
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Presents more memory to an application than is physically available
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Runs applications without requiring the use of cache memory
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Avoids conflicts between different versions of the same application
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Enables an application to directly access a LUN on a storage system
Questão 25
Questão
What is an accurate statement about the application presentation technique of application virtualization?
Responda
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Application is downloaded in portions on the client for local execution
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Application executes on the client without the use of a locally-installed agent
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Application is converted into a standalone package that directly executes on the client
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Application executes remotely and its user interface is transmitted to the client
Questão 26
Questão
What is an accurate statement about the application streaming technique of application virtualisation?
Responda
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Application executes on the client without the use of a locally-installed agent
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Application is downloaded in portions on the client for local execution
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Application executes remotely and its user interface is transmitted to the client
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Application is converted into a standalone package that directly executes on the client
Questão 27
Questão
What is an accurate statement about remote desktop services?
Responda
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Users' interface of the remote desktop is transmitted to the clientwithout the use of a remote display protocol
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Users have the flexibility to install applications and modify operating system settings on the remote compute system
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Users are provided dedicated virtual machines runningoperating system and applications, and hosted on a client system
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Operating system and applications hosted on a remote compute system are shared by multiple users
Questão 28
Questão
What is an accurate statement about a virtual desktop infrastructure?
Responda
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Operating system and applications hosted on a client system are shared by multiple users
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Each user is provided a dedicated desktop VM with its own operating system and applications
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Each user has an individual desktop session on the remote compute system in which applications execute
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Operating system and applications on the remote desktop are downloadedon the client for local execution
Questão 29
Questão
What is a function of a virtual machine manager?
Responda
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Maps the virtual machine hardware to the hypervisor kernel
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Presents resource requests from a virtual machine directly to physical hardware
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Abstracts physical hardware and presents it to a virtual machine
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Sends resource requests from multiple virtual machines to thehypervisor kernel
Questão 30
Questão
What is an accurate statement about a logical volume in a compute system?
Responda
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Can span across multiple physical volumes
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Allows multiple file systems to run concurrently
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Must be created across multiple volume groups
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Can only be created from a single physical volume
Questão 31
Questão
In which data access method does the file system access an iSCSI storage system over a network?
Responda
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Sector-based
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Object-based
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Block-based
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File-based
Questão 32
Questão
What improves the performance of multi-threaded large block I/O workloads on a solid state drive?
Responda
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I/O coalescing
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Parallel I/O channels
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Native command queuing
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High capacity RAM cache
Questão 33
Questão
Which data access method enables a compute system to access a file system that resides on a storage system?
Responda
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Block-based
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Object-based
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Sector-based
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File-based
Questão 34
Questão
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?
Responda
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8
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110
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70
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140
Questão 35
Questão
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?
Responda
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28
-
16
-
25
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6
Questão 36
Questão
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?
Responda
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8
-
20
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30
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45
Questão 37
Questão
What accurately describes the seek time of a disk drive?
Responda
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Time taken by the controller to service an I/O from the application
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Time taken to read a block of data from the platter
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Time taken by the platter to position the data under the read/write head
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Time taken to position the read/write head over the correct track
Questão 38
Questão
Which solid state drive component performs write coalescing?
Responda
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Controller
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I/O interface
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Non-volatile memory
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Cache
Questão 39
Questão
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?
Responda
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5600
-
11200
-
16800
-
22400
Questão 40
Questão
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?
Responda
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16800
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11200
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22400
-
4800
Questão 41
Questão
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?
Responda
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2800
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5600
-
8400
-
11200
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