VNX Solutions Specialist Exam for Implementation Engineers (E20-390) Free Practice Test

Question 1

What occurs after data compression of a RAID-group LUN?

A. Source LUN is unbound from the RAID-group.

B. Freed space is returned to the storage pool.

C. Host I/O is restarted

D. The LUN is defragmented.

Correct Answer: A

Question 2

What is the length of RSA keys used to encrypt and decrypt network traffic in a VNX environment?

A. 2048 bits

B. 2048 bytes

C. 1024 bits

D. 1024 bytes

Correct Answer: A

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Question 3

What is the EMC-recommended cache page size for Microsoft Exchange 2007 environments?

A. 4 KB

B. 8 KB

C. 12 KB

D. 16 KB

Correct Answer: B

Question 4

What is the minimum acceptable number of drives in a RAID 5 pool on a VNX array?

A. 4

B. 3

C. 5

D. 9

Correct Answer: B

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Question 5

Which action makes CAVA trigger a file scan?

A. Restarting the AV server

B. Restarting the CAVA agent

C. Listing files and directories

D. Restoring files from backup

Correct Answer: D

Question 6

What is the preferred method for partitioning VNX FC LUNs attached to a Windows Server 2008 R2 host?

A. fdisk

B. Disk Management

C. format

D. vtoc

Correct Answer: B

Question 7

You are in the process of provisioning a new NAS volume with Unisphere where under the monitor or cancel the actions?

A. Event Logs for File

B. Notifications for File

C. Background Tasks for File

D. Setup Wizard for File

Correct Answer: C

Question 8

What are features of VNX Snapshots?

A. Uses copy on first write.
Does not require reserve LUN pool.

B. Uses redirect on first write.
Lower write performance impact.

C. Uses copy on first write.
Supported with pool-based LUNs.

D. Uses redirect on first write.
Supported with all LUN types.

Correct Answer: B

Question 9

What describes the process to read a Snapview Snapshot from a secondary host?

A. Secondary host issues read.
Data is read from the source LUN.

B. Secondary host issues read.
Old data is copied to the reserve LUN pool.
New data is read from the source LUN.

C. Secondary host issues read.
Data is read from the reserve LUN pool.

D. Secondary host issues read.
Unchanged data is read from the source LUN.
Old data is read from the reserve LUN pool.

Correct Answer: D

Question 10

What is a valid characteristic of striped metaLUNs?
Striped metaLUNs:

A. can mix thick and thin LUNs

B. must be built from the same RAID types and sizes

C. cannot be expanded once created

D. components have a varying performance profile

Correct Answer: B

Question 11

What can be found from the Virtualization Host page in the VNX Unisphere Manager GUI?

A. File connected ESXi Servers

B. Wizard for discovering block connect ESXi Servers

C. Block connected ESXi Servers

D. NFS datastores

Correct Answer: C

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EMC VNX Solutions Specialist Exam for Implementation Engineers (E20-390) Free Practice Test