EMC EMC Certifications E20-393 Questions & Answers

• Question 191:

  You have recently deployed a UnityVSA system. In addition to the three virtual disks on which the system is deployed, what is the minimum number of virtual disks required to create a storage pool on the system?

  A. 1

  B. 2

  C. 4

  D. 5

  Correct Answer: A

  References: https://www.emc.com/collateral/TechnicalDocument/docu69316.pdf

  (p.11)

• Question 192:

  Which component is required for compression to work?

  A. FAST Cache

  B. PFDC

  C. Thick LUN

  D. FAST VP

  Correct Answer: C

  References: https://www.emc.com/collateral/white-papers/h15571-dell-emc-unity-compression.pdf

• Question 193:

  A Unity customer has a 20 TB pool consisting of SAS and NL-SAS drives. Based on Dell EMC best practices, what is the minimum recommended amount of Flash capacity they should use for a Flash tier?

  A. 1 TB

  B. 2 TB

  C. 4 TB

  D. 10 TB

  Correct Answer: A

  References: https://www.emc.com/collateral/white-papers/h15093-dell-emc-unity-best-practices-guide.pdf

• Question 194:

  On which platform(s) is FAST Cache available?

  A. All Flash Unity systems only

  B. Physical Unity systems only

  C. Unity hybrid systems only

  D. Physical and UnityVSA systems

  Correct Answer: C

  References: https://www.emc.com/collateral/white-papers/h15084-dell-emc-unity-introduction-to-the-platform.pdf

• Question 195:

  A system administrator wants to grant privileges to manage storage resources and host configurations for some users. However, the administrator wants to ensure users have no privileges to manage user accounts, change network settings and NAS servers, or perform software upgrades. Which user role should be associated with the user accounts to be created?

  A. Administrator

  B. Operator

  C. Storage Administrator

  D. Service

  Correct Answer: D

• Question 196:

  An administrator is preparing to configure logging to a remote host. If they use the Unity default values, which port needs to be open for the system to transfer the log information?

  A. 443

  B. 514

  C. 546

  D. 8443

  Correct Answer: A

  References: https://www.emc.com/collateral/TechnicalDocument/docu69327.pdf

• Question 197:

  What functionality is provided by the Unity UFS64 Enterprise File System architecture?

  A. File systems scaled up to 16 TB.

  B. QoS controlled by density-based policies.

  C. Up to 64,000 sub-directories per directory

  D. Space reclamation of unused blocks.

  Correct Answer: D

  References: http://www.emc-announces.com/collateral/white-papers/h13770-emc-vnxe3200-ufs64-wp.pdf

• Question 198:

  What is a characteristic of Automatic UFS64 File System extension?

  A. Array I/O service to clients is disrupted during auto-extension

  B. Allocated space remains unchanged after extend operation

  C. Auto-extension can exceed the file system visible size

  D. File system cannot auto-extend past the provisioned size

  Correct Answer: C

• Question 199:

  How is a Local LUN Move configured?

  A. First select the LUN, then select the Pool to move the LUN into, and finally choose the Move operation.

  B. First select the Pool to move the LUN into, then choose the Move operation, and finally select a LUN.

  C. First choose the Move operation, then select a LUN, and finally select the Pool to move the LUN into.

  D. First select a LUN, then choose the Move operation, and finally select the Pool to move the LUN into

  Correct Answer: D

  References: https://www.dellemc.com/sr-me/documentation/unity-family/unity-p-config-luns/02-configuring-lun-move.htm

• Question 200:

  Which storage access configuration is unique to VMware Datastores?

  A. Host IO burst policy

  B. vCenter Server

  C. IP Multi-tenancy

  D. Auto formatting

  Correct Answer: C