EMC E20-390 Online Practice Questions and Exam Preparation

EMC E20-390 Online Questions & Answers

• Question 271:

  Refer to the exhibit.

  

  Displayed is a single VNX X-Blade in a DME. What does the indicated number 2 refer to on the numeric display?

  A. The DME Enclosure number
  B. The X-Blade number
  C. The LCC Enclosure ID
  D. The LCC Bus ID
  A. The DME Enclosure number

• Question 272:

  In addition to FAST VP and FAST Cache, which EMC products are included in the FAST Suite for VNX?

  A. SAN Copy and SnapView
  B. Analyzer and UQM
  C. Analyzer and SAN Copy
  D. SAN Copy and UQM
  B. Analyzer and UQM

• Question 273:

  In order for a FAST cache promotion to take place, what is the size of the data block that must be accessed multiple times in a short period of time?

  A. 32 KB
  B. 64 KB
  C. 128 KB
  D. 256 KB
  B. 64 KB

• Question 274:

  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
  D. Compression Enabler and Thin Provisioning Enabler only

• Question 275:

  In a MS 2007 Exchange Environment, what is the best practice VNX cache page setting?

  A. 8kB
  B. 1kB
  C. 4kB
  D. 16kB
  A. 8kB

• Question 276:

  If a source LUN is trespassed, what happens to an unfractured clone LUN?

  A. The peer SP acquires both the clone LUN and the fracture logs.
  B. The peer SP acquires only the clone LUN.
  C. The peer SP acquires only the fracture logs.
  D. Neither the clone LUN nor the fracture log will be acquired by the peer SP.
  A. The peer SP acquires both the clone LUN and the fracture logs.

• Question 277:

  A company has an application that uses a small amount of capacity but has very high performance requirements. The storage administrator wants to configure the FAST VP policy to ensure LUNs allocated to this application always remain on higher performance storage.

  Which action should be taken?

  A. Initially set the policy to Highest Available Tier, then No Data Movement
  B. Initially set the policy to Lowest Available Tier, then Auto-Tier
  C. Set policy to Auto-Tier
  D. Initially set the policy to Highest Available Tier, then Auto-Tier
  A. Initially set the policy to Highest Available Tier, then No Data Movement

• Question 278:

  Which describes the VNX Snapshot source LUN write process?

  A. Host issues write. New data is written to a new location.
  B. Host issues write. Old data is copied to the reserve LUN pool. New data is written to the source LUN.
  C. Host issues write. Data is written to the reserve LUN pool.
  D. Host issues write. Old data is copied to the source LUN. New data is written to the reserve LUN pool.
  A. Host issues write. New data is written to a new location.

• Question 279:

  A customer wants to decrease the size of VNX pool LUNs presented to an MSCS cluster using the LUN shrink feature. What do you advise?

  A. The LUN shrink feature is not supported with MSCS clusters.
  B. LUN shrink is only supported with stand-alone hosts.
  C. The accessible volume space on the host must be reduced first.
  D. The LUN shrink feature will allow them to reduce LUN sizes for this cluster.
  A. The LUN shrink feature is not supported with MSCS clusters.

• Question 280:

  Where is the CHAP iSCSI username and password stored on a RedHat 4 host?

  A. /etc/iscsi.conf
  B. /etc/iscsi/iscsi.conf
  C. /etc/init.d/iscsi.conf
  D. /etc/init.d/iscsi/iscsi.conf
  A. /etc/iscsi.conf