E20-545 Online Practice Questions and Answers

According to EMC best practices, how many secondary Usermappers are recommended in a multiple VNX array environment?

A. One per VNX array

B. One per Data Mover

C. One per additional VNX array

D. One per VNX environment

Refer to the exhibit.

The VMDK file in the data store "Test1234" was compressed with the EMC VSI plug-in. What happens to subsequent VMDK files added after the compression is finished?

A. Additional files will be compressed automatically.

B. Additional files will be compressed when accessed.

C. Additional files will not be compressed.

D. Compression is possible only once per VM.

A customer wants to restrict the "training" share to PowerPoint files. What must be done to activate the filter settings?

A. Place the filter file in the \.filefilter directory on root share (C$) of the Data Mover.

B. Place the filter file in the \.filefilter directory on the "training" share of the Data Mover.

C. Re-establish domain membership for the Data Mover.

D. Place the name of the target user group for the share into the filter file.

An NFS user currently has 30 MB of data stored in a personal directory on a VNX. Their quota allocation allows up to 100 MB. However, they are unable to store additional data in this personal directory.

The user deleted two of their largest files in an attempt to free up additional space, but was unable to save all new files to the VNX. The user called the VNX administrator, who confirmed that the file system has additional storage capacity.

What could be the problem?

A. The file system is mounted as read only.

B. Transmission errors occurred when the user's data was sent over the network.

C. The user has insufficient permissions to write new data to the desired location.

D. A quota was set for the maximum number of files allowed.

What is the name of the process that writes original data from the source LUN to the reserved LUN pool when using SnapView snapshots?

A. Copy on First Write

B. Point-in-Time Copy

C. Reserved LUN Copy

D. Write-Aside Copy

When configuring auditing features for a VNX, what does the /sbin/ausearch command do?

A. Produces summary reports

B. Controls the kernel's audit subsystem

C. Reads the audit trail

D. Searches the man pages

An administrator installs FAST Cache enabler on a VNX system. When the administrator opens the Properties page of an existing Classic LUN, FAST Cache is not enabled for the LUN.

Why is FAST Cache not enabled on this LUN?

A. FAST Cache is not enabled by default on LUNs that existed before FAST Cache was installed.

B. Existing Classic LUNs need to be removed from the Storage Group before FAST Cache is enabled.

C. FAST Cache is not enabled by default on RAID 5 LUNs.

D. FAST Cache cannot be enabled when SP read/write cache is disabled for the LUN.

A customer decided to add CIFS share access to an existing VNX for File implementation. You are making recommendations to ensure maximum server portability for local load balancing.

Which change must you recommend?

A. Default interface names can no longer be used.

B. Unique interface addressing can no longer be used.

C. Two interconnects must be declared per Data Mover.

D. Replicator SavVol size must be increased.

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

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