EMC EMC Certifications DES-1B31 Questions & Answers

• Question 51:

  Which Centera feature is supported in an ECS 3.0 CAS environment?

  A. Shredding (DOD 5015.2)

  B. Advance Retention

  C. Erasure Coding

  D. Single Instance Storage

  Correct Answer: D

• Question 52:

  You are creating a VDC during the ECS configuration process. You get the following error:

  Error 7000 (http: 500): An error occurred in the API Service

  You check the system and this is what you see:

  Storage Pool status: Ready

  Nodes: Ready to use

  Licenses: OK

  What can be causing this error?

  A. The endpoints were not supplied as a comma-separated list

  B. You did not wait 10 to 15 minutes after creating the storage pool

  C. You have not created the system storage pool

  D. The VDC access key was typed incorrectly

  Correct Answer: B

• Question 53:

  You are configuring a NetWorker CloudBoost solution using ECS as LTR backup. When adding the CloudBoost appliance in the Dell EMC Cloud Portal, the configuration fails and shows the following error:

  Operation Completed with errors. Could not apply initial configuration. Reason: Validation failed; cloud profile is invalid

  What is causing this error?

  A. Claim code is invalid when registering the CloudBoost appliance

  B. ECS object access S3 password does not match ECS access key

  C. Display name is set incorrectly for the ECS Cloud Profile

  D. ECS access key ID does not match object user name

  Correct Answer: A

• Question 54:

  HDFS supports which native file system on ECS?

  A. EXT3

  B. SMB

  C. EXT1

  D. EXT2

  Correct Answer: B

• Question 55:

  A company has removed the VDC from the replication group and is no longer able to add it back. What is the cause of this issue?

  A. The same VDC can be added back to the replication group, but only before failover processing is completed successfully

  B. The same VDC cannot be added back to the replication group, it must be given another name

  C. The VDC cannot be added back to the existing replication group; a new replication group must be created for the VDC

  D. Removing the VDC from the replication group initiates failover processing for permanent failures

  Correct Answer: B

• Question 56:

  In an environment with two or more VDCs, which operation is unavailable when network connectivity is

  interrupted between the VDCs?

  A. Write object

  B. Read object

  C. Update object

  D. Create object

  Correct Answer: B

• Question 57:

  Which protocol does Dell EMC Isilon CloudPools use to communicate with ECS?

  A. NFS

  B. CIFS

  C. HDFS

  D. S3

  Correct Answer: A

• Question 58:

  An administrator is trying to configure a Cloud Unit in Data Domain System Manager for access to ECS and receives the following error:

  Couldn't connect to server.

  What needs to be checked?

  A. 9020 or 9021

  B. 9022 or 9023

  C. 9024 or 9025

  D. 9026 or 9027

  Correct Answer: A

• Question 59:

  When SEC Compliance is enabled, what action can be taken on a retention period?

  A. Shortened

  B. Extended

  C. Deleted

  D. Deleted with privileged delete

  Correct Answer: B

• Question 60:

  A storage administrator is trying to create a new bucket using s3curl.pl. They use a URL pointing to their load balancer. The SSL connection is terminated on the load balancer.

  What port number should be used at the command line?

  A. 9020

  B. 9021

  C. 9023

  D. 9025

  Correct Answer: A