EMC EMC Specialist E20-390 Questions & Answers

• Question 341:

  How much FAST Cache storage can be allocated as cache?

  A. 500 GB

  B. 1TB

  C. 2TB

  D. 4TB

  Correct Answer: C

  Explanation:

  

• Question 342:

  Which should be installed to use the data compression feature of a VNX array?

  A. Compression Enabler only

  B. Compression Enabler and FAST Enabler only

  C. Compression Enabler, Thin Provisioning Enabler and FAST Enabler

  D. Compression Enabler and Thin Provisioning Enabler only

  Correct Answer: D

  Explanation: Compression has own enabler and depends on Virtual Provisioning enabler to be present.This feature is available on VNX 5300, 5500, 5700, and 7500 systems. Administration can be done via an individual tab Unisphere and CLI commands. NotE. Compression enabler and Thin Provisioning enabler must be installed.

• Question 343:

  What is indicated by a blue enclosure power LED on a 25-slot DPE?

  A. Any outputs or inputs are out of operating range.

  B. AC or DC power is applied and all outputs are in operating range

  C. Any enclosure fault, including SP faults, has occurred

  D. The battery backup system is fully charged.

  Correct Answer: B

  Explanation:

  

  

• Question 344:

  Which PowerPath version should be installed on a Windows host to support ALUA?

  A. 4.0

  B. 4.1

  C. 50

  D. 5.1

  Correct Answer: D

• Question 345:

  When provisioning a new logical unit, which RAID group property is the basis for limiting the LUN capacity that can be specified?

  A. Largest contiguous free space

  B. Total formatted capacity

  C. Largest user capacity

  D. Total raw capacity

  Correct Answer: A

• Question 346:

  What is the preferred method for partitioning VNX iSCSI LUNs attached to a Windows Server 2003 host?

  A. Disk Management

  B. Fdisk

  C. Diskpart

  D. format

  Correct Answer: C

• Question 347:

  Which hardware configuration can be a Fail-Safe Network Device?

  A. Two network ports on a single Data Mover configured for active-passive redundancy.

  B. Two network ports on a single Data Mover configured for active-active redundancy.

  C. One network port, per Data Mover, configured for active-active redundancy.

  D. A single network I/O adapter with four ports configured for active-active redundancy.

  Correct Answer: A

• Question 348:

  What are the key components of CAVA?

  A. AV server, Data Mover, and Control Station

  B. VC client, Data Mover, and Control Station

  C. VC client, AV server, and third-party anti-virus engine

  D. AV server, Data Mover, and third-party anti-virus engine

  Correct Answer: C

  Explanation:

  

• Question 349:

  When performing switch maintenance, a customer accidentally disconnects all network connections to an active VNX Data Mover. How does VNX handle this situation?

  A. The primary Data Mover remains active.

  B. The VNX always notifies EMC Customer Service of the problem.

  C. The active Data Mover immediately fails over.

  D. The active Data Mover fails over after 30 seconds of lost connectivity.

  Correct Answer: A

• Question 350:

  What should be done prior to manually stopping a SnapView session that is running?

  A. Save all memory mapping entries to the COFW log.

  B. Flush the host buffers and deactivate the snapshot.

  C. Remove the source LUN from the SnapView session.

  D. Remove the global pool LUN associated with the SnapView session from the reserved LUN pool.

  Correct Answer: B