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E05-001 Exam Practice Test

Author: William Hicks
by William Hicks
Posted: Dec 05, 2017

Question: 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?

A. 8

B. 20

C. 30

D. 45

Answer: D

Question: 2

What accurately describes the seek time of a disk drive?

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

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

C. Time taken to read a block of data from the platter

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

Answer: A

Question: 3

Which solid state drive component performs write coalescing?

A. Controller

B. I/O interface

C. Non-volatile memory

D. Cache

Answer: A

Question: 4

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?

A. 5600

B. 11200

C. 16800

D. 22400

Answer: B

Question: 5

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?

A. 4800

B. 11200

C. 16800

D.A. 22400

Answer: C

Question: 6

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?

A. 2800

B. 5600

C. 8400

D. 11200

Answer: D

Question: 7

What is an accurate statement about a software RAID implementation?

A. Uses CPU cycles of a compute system to perform RAID calculations

B. Supports the upgrade of RAID software on incompatible O/S

C. Uses a specialized hardware controller to perform RAID calculations

D. Supports all RAID levels

Answer: A

Question: 8

What is an accurate statement about a hardware RAID implementation?

A. Uses a specialized hardware controller installed on a storage array

B. Uses CPU cycles of a compute system to perform RAID calculations

C. Requires a RAID controller and operating system to be compatible

D. Offers a low-cost solution for providing disk protection

Answer: A

Question: 9

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?

A. Traditional

B. Thin

C. Journal

D. Bitmap

Answer: A

Question: 10

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

A. Striped metaLUN

B. Partitioned metaLUN

C. Virtual metaLUN

D. Concatenated metaLUN

Answer: A

Question: 11

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

A. Storage pool rebalancing

B. Extent relocation

C. Storage pool tiering

D. Automated extent tiering

Answer: A

Question: 12

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

A. Provides performance acceleration for read intensive workloads

B. Reduces the number of storage systems in a data center

C. Eliminates the need for cache on a storage system

D. Improves the network performance during peak workloads

Answer: A

Question: 13

Which technique protects the data in cache from power failures?

A. Vaulting

B. Mirroring

C. Cache tiering

D. Idle flushing

Answer: A

Question: 14

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

A. XtremIO

B. Isilon

C. XtremSF

D. ScaleIO

Answer: A

Question: 15

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

A. XtremSF

B. XtremCache

C. ScaleIO

D. XtremIO

Answer: A

Question: 16

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

A. Gateway

B. Scale-out

C. Unified

D. Integrated

Answer: A

Question: 17

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

A. Global namespace

B. Remote procedure call

C. Distributed file system

D. Cache coherency

Answer: A

Question: 18

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

A. Data is divided and stored on multiple nodes in parallel

B. Data is consolidated into a block and then stored on the NAS head

C. Data is evenly distributed to every file system in the cluster

D. NAS file system and cluster grow dynamically to store the data

Answer: A

Question: 19

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

A. Provides a set of remote procedure calls to access a remote file system

B. Uses the server message block protocol to provide file locking capability

C. Translates block I/O requests from a file system into object-level requests

D. Automatically scales the file systems on clients as the workload increases

Answer: A

Question: 20

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

A. Enables a CIFS server to maintain connection information regarding every connected client

B. Uses a Remote Procedure Call mechanism to provide access to the CIFS supported file systems

C. Contains an open variation of the stateless user datagram protocol that stores information about open files

D. Uses file system locking to enable users to simultaneously overwrite all metadata of a file system

Answer: A

Test Information:

Total Questions: 171

Test Number: E05-001

Vendor Name: EMC

Cert Name: EMCSA

Test Name: Information Storage and Management v3

Official Site:

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Author: William Hicks

William Hicks

Member since: Nov 28, 2017
Published articles: 29

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