DES-1121 Online Practice Questions and Answers

A systems administrator plans to use Non-Disruptive Migration (NDM) to migrate data from a VMAX array running Enginuity 5876 to a PowerMax running PowerMaxOS 5978 Which NDM mode will be used?

A. Metro-based

B. Adaptive Copy

C. Asynchronous

D. Pass-through

Which SYMCLI command can be used to create a new TDEV and assign it to a Storage Group in one step?

A. symdev

B. symsg

C. symcfg

D. symaccess

SRDF/A has been enabled between two PowerMax arrays in Multi-Session Consistency mode An extended loss of all RDF links occurs. What will the RDF pair states be after link connectivity is restored?

A. Partitioned

B. Failed Over

C. Split

D. Suspended

What is the performance metric for the read-to-write ratio of workloads on a specific logical block address?

A. Workload clustering

B. Workload type

C. Prefetch

D. Data spanning

An administrator is using Unisphere tor PowerMax Workload Planner to assess the performance and compliance of a PowerMax Storage Group (SG) How does the Planner calculate if the Storage Group workload is stable?

A. Both calculated values are within a 10-15% threshold of the SL-defined response time

B. Both calculated values are within the SL-defined response time

C. One of the calculated values remains within the SL-defined response time

D. One of the calculated values is within 10-20% of the SL-defined response time

What are the main options used to complete a configuration change using the synconfigure command?

A. preview, prepare, commit

B. preview, prepare, reserve

C. preview query, reserve

D. preview query, commit

A. Balanced

B. Never

C. On Failure

D. Always

Which compression algorithm is used on a PowerMax?

A. Deflate

B. LZS

C. LZW

D. FastLZ

You have just presented storage to an ESXi server and want to rescan the storage adapter to ensure the server can see the new volume Based on recommended best practices, what is the preferred method to perform this task?

A. Use the vSphere VSI plugin to rescan the entire cluster

B. Run the command from a non-cluster host using the ESX CLI

C. Use the vSphere Client to perform the rescan of the host

D. Run the command from the ESXi server with the ESX CLI enabled

When listing the details of a snapshot, what does "Total Deltas" reference?

A. Difference between the source and target

B. Difference between the snapshot and the target

C. Difference between the snapshot and the source

D. Difference between the snapshot and a newer snapshot