EMC EMC Certifications E20-393 Questions & Answers

• Question 31:

  A storage administrator is monitoring the pool Capacity of two identical Dell EMC Unity XT systems. Each system has every LUN replicated to the other system and all replication sessions are in sync. Both systems are used for production storage. CloudIQ is receiving updates from both systems, but shows that one of them is filling up more quickly than the other.

  What is a possible explanation for this behavior?

  A. One of the Unity XT systems is used less than the other one.

  B. Dell EMC Unity Data Reduction is not identically enabled on LUNs on both systems.

  C. CloudIQ is not receiving the same amount of updates from one of the two systems.

  D. Dell EMC Unity Data Reduction license is not enabled on one of the two systems.

  Correct Answer: B

• Question 32:

  What is a consideration when expanding a dynamic pool?

  A. Maximum number of drives is 16 in a RAID Group

  B. Maximum number of slices in a private LUN is 256

  C. Maximum number of drives is 64 in a drive partnership group

  D. Minimum of drives in a RAID5 (4+1) RAID Group is 5

  Correct Answer: C

  Reference: https://www.dellemc.com/resources/en-us/asset/white-papers/products/storage/h16289-dell_emc_unity-dynamic_pools.pdf (5)

• Question 33:

  What is the first step to configure asynchronous replication for a storage resource?

  A. Set up management channel

  B. Configure replication session

  C. Verify replication connection

  D. Create replication interfaces

  Correct Answer: D

• Question 34:

  Refer to the exhibit.

  

  What is a possible reason for the health score of 70 that is associated with the Test_Dev storage pool?

  A. Data protection for this storage pool is not configured

  B. Storage pool is full and oversubscribed, and needs attention

  C. Storage pool performance is impacted because of prolonged disk queue length

  D. Storage pool has a component failure and needs attention

  Correct Answer: C

• Question 35:

  What are the available file system states within an FLR-enabled file system?

  A. Append-only, Locked, and Protected

  B. Not-Locked, Append-only, Locked, and Expired

  C. Append, No-append, Locked, and Protected

  D. Protected, Not-Locked, Expired, and Protected

  Correct Answer: B

  Reference: https://www.dellemc.com/resources/en-us/asset/white-papers/products/storage/h17523-dell_emc_unity_file_level_retention_flr.pdf (p.8)

• Question 36:

  What determines the fault characteristics of a disk group?

  A. Drive speed

  B. Stripe width

  C. Drive type

  D. D@RE

  Correct Answer: B

  Reference: https://www.dellemc.com/tr-tr/documentation/unity-family/unity-p-pool-config/06-unity-pool-br-understanding-raid.htm

• Question 37:

  When scheduling snapshots, what is the smallest snapshot frequency that can be selected?

  A. Days

  B. Hours

  C. Minutes

  D. Seconds

  Correct Answer: B

• Question 38:

  Assuming that there are 240 snapshots created for the Base LUN on a Dell EMC Unity XT array, what is the maximum number of Thin Clones that can be created from that Base LUN?

  A. 8

  B. 16

  C. 32

  D. 64

  Correct Answer: D

• Question 39:

  How is a Local LUN Move initiated?

  A. Select the LUN, then select the Pool to move the LUN into, then choose the Move operation

  B. Choose the Move operation, then select a LUN, then select the Pool to move the LUN into

  C. Select a LUN, then choose the Move operation, then select the Pool to move the LUN into

  D. Select the Pool to move the LUN into, then choose the Move operation, then select a LUN

  Correct Answer: C

  Reference: https://www.dellemc.com/en-us/documentation/unity-family/unity-p-config-luns/02-configuring-lun-move.htm

• Question 40:

  An administrator initially created a Thin Provisioned file system on Dell EMC Unity. They now want to change that file system (FS) to Thick Provisioned. What is a consideration?

  A. Unmap/unmount the FS and use the Initial Configuration Wizard

  B. The FS cannot be changed from Thin to Thick

  C. Unmap/Unmount the FS and change FS properties

  D. Convert the FS from Thin to Thick through Unisphere

  Correct Answer: B

  Reference: https://www.dellemc.com/en-us/collaterals/unauth/white-papers/products/storage/h15572-dell-emc-unity-nas-capabilities.pdf (20)