EMC EMC Specialist E20-390 Questions & Answers

• Question 81:

  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 82:

  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

  Correct Answer: A

• Question 83:

  Refer to the Exhibit.

  

  What type of DAE is in the picture?

  A. DAE6S

  B. DAE5S

  C. DAE7S

  D. DAE3S

  Correct Answer: B

• Question 84:

  Refer to the exhibit.

  

  Which I/O module combination could be used in Slot 0 within a VNX Gateway X-Blade?

  A. a. and c

  B. a. and b

  C. a, b and d

  D. a, c and e

  Correct Answer: A

• Question 85:

  A colleague configured two 512 MB LUNs to be used as Clone Private LUNs (CPLs). When configuring the CPLs, the two 512 MB LUNs do not appear in the list of available LUNs.

  What do you advise?

  A. CPLs must be 1024 MB or larger.

  B. Login to Engineering mode and retry.

  C. CPLs must be 256 MB or smaller.

  D. Login as an Administrator and retry.

  Correct Answer: A

• Question 86:

  A Storage Administrator is provisioning storage from a VNX array dedicated to a group of Windows 2008 hosts running MS Exchange 2010. The LUNs will be replicated using MirrorView/A.

  Which best practice should be considered to ensure maximum performance?

  A. Set the cache page size to 16kB

  B. Set the cache page size to 4kB

  C. Align the user data on LUNs on a 1024kB boundary with Diskpart

  D. Align the user data on LUNs on a 1024kB boundary using the VNX Alignment Offset

  Correct Answer: A

• Question 87:

  What is the default port that must be open in the firewall for Replication Manager Client Data?

  A. 6543

  B. 6542

  C. 443

  D. 65432

  Correct Answer: A

• Question 88:

  In which order is a File System made available to clients on the network through NFS?

  A. Create the FS, Mount the FS on the Data Mover, Export the File System, Create a mountpoint on client, mount the export on the client

  B. Make sure NFS service is running, Create the FS, Mount the FS on the Data Mover, Add a computer name, mount export on client

  C. Make sure NTP service is running, Export the File System, mount the export on the client

  D. Make sure NTP service is running, Create the FS, Mount the FS on the Data Mover, Export the File System, mount the export on the client

  Correct Answer: A

• Question 89:

  A Storage Administrator is configuring a new VNX array. There are 10 MS Exchange Servers to be connected to this array. Each of these Exchange servers hosts users from a different time zone so performance spikes are expected at different times during the day.

  What configuration will maximize overall performance for these hosts?

  A. Thick LUNs from traditional RAID Groups

  B. Thick Pool based LUNs from one wide pool

  C. Thick Pool based LUNs from several isolated pools

  D. Thin Pool based LUNs from several isolated pools

  Correct Answer: B

• Question 90:

  What is a valid characteristic of a concatenated metaLUN? Concatenated metaLUNs:

  A. can be different RAID types and sizes.

  B. can mix thick and thin LUNs.

  C. cannot be expanded once created.

  D. always have a uniform performance profile.

  Correct Answer: A