EMC EMC Certification E20-517 Questions & Answers

• Question 51:

  Auto meta feature has been enabled on a Symmetrix with the symconfigure command:

  Set symmetrix auto_meta=ENABLE, min_auto_meta_size=65520, auto_meta_member_size=16380, config=concatenated;

  What is the smallest device creation request that will trigger an automatic creation of a concatenated meta device?

  A. 65520 cylinders

  B. 65520 GB

  C. 16380 cylinders

  D. 16380 GB

  Correct Answer: A

• Question 52:

  Which commands can be used to create storage groups using a range of devices, device names or a device file?

  A. symaccess, symsg

  B. symaccess, symcfg

  C. symdg, symcfg

  D. symsg, symdg

  Correct Answer: A

• Question 53:

  When using autoprovisioning on a Symmetrix VMAX array, which type of objects can be cascaded?

  A. Initiator Group and Storage Group

  B. Port Group and Storage Group

  C. Initiator Group and Masking View

  D. Masking View and Port Group

  Correct Answer: A

• Question 54:

  Which symconfigure option is used to preview and validate changes without implementing them on the Symmetrix array?

  A. Prepare

  B. Preview

  C. Query

  D. Commit

  Correct Answer: A

• Question 55:

  How is performance improved in TimeFinder/Snap operations?

  A. Tracks are striped in a Round Robin manner across the Save Pool

  B. Tracks are concatenated to the Save Pool

  C. A dedicated cpu is used for the TimeFinder/Snap operations

  D. All Save devices are served by a dedicated director

  Correct Answer: A

• Question 56:

  A customer wants to create 4 copies of a LUN per day and they want to implement clones. They establish each clone session at fixed intervals of 6 hours, starting at midnight, then at 6AM, then at noon and finally at 6PM.

  They are concerned that it will take too long from creating each session to the point where they can actually start using the data on the clone.

  What should be done so the clones can be used as quickly as possible?

  A. The clone is immediately usable after activating the session

  B. The "Recreate" option should be used instead of the "create" option

  C. The "CopyOnAccess" option should be added to the command

  D. The "Precopy" option should be added to the command

  Correct Answer: A

• Question 57:

  In a single-hop SRDF/AR setup, the options have been set as follows:

  -Cycle Time = 3000

  -Delay Time = 2000

  -

  Overflow = Next

  The symreplicate session was started at time 0. The actual cycle time was 4500 seconds.

  How many seconds after the start of the first cycle will the next cycle start?

  A.

  4500

  B.

  6000

  C.

  6500

  D.

  9000

  Correct Answer: D

• Question 58:

  Which statements best describe virtual LUN migration functionalities?

  A. - Moves data within the same array.

  -Can change disk type.

  -Does not affect local replication.

  B. - Supports thick devices only.

  -Moves data within the same array.

  -Affects remote replication.

  C. - Will not disrupt hosts or applications.

  -Supports thin devices only.

  -Does not affect replication.

  D. - Migrating data to different array.

  -Cannot change disk type.

  -Does not affect remote replication.

  Correct Answer: A

• Question 59:

  You are installing a Symmetrix VMAX storage array running Enginuity 5876. The customer has an older Symmetrix VMAX array running Enginuity 5874 and wants to update to Solutions Enabler 7.5.

  What license type is required for the VMAX array running Enginuity 5874?

  A. Host-based license

  B. Electronic license

  C. SMC license

  D. Capacity-based license

  Correct Answer: A

• Question 60:

  When a Federated Live Migration session is in a FailedBack state, what is the only command that will succeed?

  A. Terminate

  B. Create

  C. Activate

  D. Failback

  Correct Answer: A