EMC E20-885 Online Practice Questions and Exam Preparation

EMC E20-885 Online Questions & Answers

• Question 211:

  Refer to the exhibit.

  

  You are implementing a new VNX and you are considering whether or not to use FAST Cache. You decide to test the effect on response times with and without FAST Cache. At what point in the graph do you consider the warm-up period to be complete?

  A. C
  B. B
  C. D
  D. E
  A. C

• Question 212:

  Click on the calculator in the upper left-hand corner.

  An Exchange 2010 environment with 60% reads and 40% writes will be configured on an EMC VNX using RAID 1/0 15K SAS drives. The total I/O per second required is 3,000. Accounting for additional overhead for spikes, what is the number of spindles required?

  A. 32
  B. 24
  C. 30
  D. 28
  A. 32

• Question 213:

  Where is the VSI RecoverPoint Management Plug-In for vSphere 5.5 installed?

  A. vSphere Client
  B. vCenter Server
  C. RPAs
  D. SRM Server
  A. vSphere Client

• Question 214:

  A customer notices that when they delete all the VNX Snapshots, SP utilization seems to increase for a long time. This problem occurs at the end of every development cycle, when cleaning out unused data from development servers. How could the VNX Administrator prevent the performance degradation, while still being able to clean up old snapshots?

  A. Keep at least one snapshot of the thick LUN.
  B. Unmount the Primary LUN before deleting the snapshots
  C. Defragment the LUN after removing all the snapshots.
  D. Rename the snapshots prior to deleting them.
  A. Keep at least one snapshot of the thick LUN.

• Question 215:

  Which RecoverPoint feature allows you to extend the period of time for which point-in-time copies can be stored?

  A. Snapshot Consolidation
  B. Distributed Consistency Groups
  C. Deduplication
  D. Compression
  A. Snapshot Consolidation

• Question 216:

  Which method of cluster installation must be used to ensure Unisphere integration for RecoverPoint/SE?

  A. Deployment Manager
  B. Installation Manager
  C. FTP ISO download
  D. Unisphere for RecoverPoint
  A. Deployment Manager

• Question 217:

  A customer plans to use SAN Copy to make consistent copies of their Windows 2003 and 2008 production environment at their remote site. Before starting the SAN Copy session, what action should they take to ensure any pending I/O from the buffers is committed?

  A. admhost lun_flush
  B. admhost lun_deactivate
  C. admhost lun_activate
  D. admhost lun_update
  A. admhost lun_flush

• Question 218:

  A customer is using VNX Replicator to replicate data from a single file system to a remote location. They are planning to replicate more file systems, but monitoring tools are showing bursts of data on the link instead of a smooth and constant flow of data. They also notice that latency on the link is higher than expected.

  What would you advise them to do to make more efficient use of the link?

  A. Create and activate more Replicator sessions
  B. Use QoS to guarantee 140 MB/s of bandwidth for Replicator
  C. Set the TCP fast timer to 500 ms
  D. Set the TCP slow timer to 200 ms
  A. Create and activate more Replicator sessions

• Question 219:

  You are implementing a VNX solution for a Windows-only host environment. The customer tells you that current host performance is poor, and that the new solution should improve it by at least 50%. Which tool should you use to begin your investigation?

  A. Performance Monitor
  B. Unisphere Analyzer
  C. IOmeter
  D. server_stats
  A. Performance Monitor

• Question 220:

  During file system replication, which VDM information is replicated to ensure CIFS data will be user accessible?

  A. Home directory mappings
  B. Global groups database
  C. DNS information
  D. Usermapper database
  A. Home directory mappings