EMC Technology Architect E20-545 Questions & Answers

• Question 51:

  A customer is running SnapSure and wants their users to be able to perform a file restore from their own workstations.

  Which feature in SnapSure would allow this?

  A. CVFS

  B. VSS

  C. VFS

  D. AWS

  Correct Answer: A

• Question 52:

  For VNX SnapSure, how many blockmaps exist per file system?

  A. As many as there are checkpoints

  B. As many as there are file systems

  C. One per 20GiB of data

  D. One for all file systems per VDM

  Correct Answer: A

• Question 53:

  A customer has a requirement for backups of VNX Pool LUNs but is concerned about impacting performance on the production LUNs.

  How can the impact on performance be minimized?

  A. Create VNX Snapshot of production LUN Mount VNX Snapshot on backup server

  B. Create SnapView clone of production LUN Mount VNX Snapshot of clone on backup server

  C. Create MirrorView clone of production LUN Mount MirrorView clone on backup server

  D. Create SnapView Snapshot of production LUN Mount SnapView Snapshot on backup server

  Correct Answer: B

• Question 54:

  A customer has a requirement for restartable backups of an SQL database and the SQL log LUN. How can this requirement be met?

  A. Create VNX Consistency Group containing the database and log LUNs Create VNX Snapshot of Consistency Group Mount VNX Snapshot Set on backup server

  B. Create VNX Snapshot of database LUN Create VNX Snapshot of SQL log LUN Mount VNX Snapshots on backup server

  C. Create VNX Consistency Group containing the database and log LUNs Mount the database LUN directly on the backup server Mount the log LUN directly on the backup server

  D. Create SnapView clone of database LUN Create SnapView clone of log LUN Mount clone LUNs on database server

  Correct Answer: A

• Question 55:

  When using VNX Snapshots, where is the snapshot data stored?

  A. In the same Storage Pool as the Primary LUN

  B. In the same Storage Pool as the Source LUN

  C. In a different Storage Pool than the Primary LUN

  D. In a different Storage Pool than the Source LUN

  Correct Answer: A

• Question 56:

  A customer is testing VNX Snapshot actions on their new VNX array. They plan to make a point- in-time copy accessible to the host and then remove the point-in-time copy from the host.

  What VNX Snapshot functions will they need to use?

  A. Activate and Deactivate

  B. Attach and Detach

  C. Establish and Split

  D. Synchronize and Fracture

  Correct Answer: B

• Question 57:

  A host has visibility to a VNX Snapshot attached to a Snapshot Mount Point (SMP). The user has detached the original snapshot and has attached a later snapshot to this SMP.

  What must the user do for the host to see the new point-in-time data?

  A. No user action is required.

  B. Rescan the storage bus.

  C. Remove and re-add SMP to the host Storage Group.

  D. Reboot the host.

  Correct Answer: A

• Question 58:

  In terms of Redirect on Write technology, which object class has the Auto-Delete policy enabled by default?

  A. Pool

  B. Pool LUN

  C. Consistency Group

  D. Storage Mount Point

  Correct Answer: A

• Question 59:

  A customer wants to use a point-in-time copy of their production data for data mining purposes. They are concerned that the copy will have a performance impact on the production LUN.

  Which product would you recommend?

  A. SnapView Snapshots

  B. SnapView Clones

  C. VNX Snapshots

  D. VNX SnapSure

  Correct Answer: B

• Question 60:

  What is a characteristic of SnapView Clones?

  A. They have no impact on production data integrity.

  B. They can be larger than the source LUN.

  C. They are immediately available after activation.

  D. They occupy only changed tracks after activation.

  Correct Answer: A