EMC EMC Certifications E20-385 Questions & Answers

• Question 41:

  A customer is writing critical data to the pre-configured, default NFS share on an EMC Data Domain system for subsequent replication to a remote site.

  Which directory on the local Data Domain system should be reviewed to verify the data is successfully being written?

  A. /ddvar

  B. /backup

  C. /data/col1

  D. /data/col1/repl

  Correct Answer: B

• Question 42:

  You have been tasked with setting up a VTL on an EMC Data Domain system in an EMC NetWorker environment. To maximize deduplication, which value should be used for the "Target Sessions" and "Max Sessions" parameters?

  A. 1, 1

  B. 1, 2

  C. 1, Unlimited

  D. Unlimited, 1

  Correct Answer: A

• Question 43:

  Which two link aggregation methods are supported on an EMC Data Domain system?

  A. Balanced-xor and Round Robin

  B. Balanced-xor and PAgP

  C. Balanced-rr and Round Robin

  D. Balanced-xor and Failover

  Correct Answer: A

• Question 44:

  What are two link aggregation methods supported on an EMC Data Domain system?

  A. Balanced-rr and Round Robin

  B. Balanced-xor and Failover

  C. Balanced-xor and Round Robin

  D. Balanced-rr and Failover

  Correct Answer: C

• Question 45:

  A customer is using DD Boost on their EMC Data Domain system. They want to use more than one network interface to send data to the Data Domain system from their Symantec NetBackup Media Servers.

  Which DD Boost feature can be used to accomplish this task?

  A. Interface groups

  B. LACP

  C. IP Aliasing

  D. DSP

  Correct Answer: A

• Question 46:

  A customer has enabled CIFS and configured the CIFS shares on an EMC Data Domain system to allow access through a Symantec NetBackup Media Server. What is a step that must be done on the Media Server to enable read/write access to the shared directory and configure the devices?

  A. Configure the NetBackup services to start as a user that has access to the share

  B. Configure a NetBackup disk pool to be used by the NetBackup devices

  C. Create a mapped network drive that reconnects when the NetBackup service is started

  D. Enable the DD Boost plugin on the NetBackup Media Server

  Correct Answer: A

• Question 47:

  A customer has a backup environment with an EMC Data Domain system using DD Boost as illustrated in the exhibit. Distributed Segment Processing is enabled.

  

  Which component creates fingerprints of the data in the deduplication process?

  A. Data Domain system A

  B. Data Domain system B

  C. Backup Server

  D. LAN Clients

  Correct Answer: C

• Question 48:

  A customer has a backup environment with an EMC Data Domain system using DD Boost as illustrated in the exhibit. Distributed Segment Processing is enabled.

  

  Which component segments the data in the deduplication process?

  A. Backup Server

  B. LAN Clients

  C. Data Domain system A

  D. Data Domain system B

  Correct Answer: A

• Question 49:

  The exhibit illustrates an EMC Data Domain environment with DD Boost and DSP.

  

  Which process is represented by Step 3?

  A. Filter

  B. Fingerprint

  C. Segment

  D. Compress

  Correct Answer: A

• Question 50:

  What is a key advantage of using DD Boost for replication on an EMC Data Domain system?

  A. Allows the backup software catalog aware access to the replicated copy

  B. Allows the user to mount and test recovery through NFS/CIFS when completed

  C. Allows the user to manually import the backup image to access the replicated copy

  D. Enables the backup software to change compression ratios at multiple sites

  Correct Answer: A