EMC E20-385 Online Practice Questions and Exam Preparation

EMC E20-385 Online Questions & Answers

• Question 91:

  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
  A. Balanced-xor and Round Robin

• Question 92:

  If cleaning is already in progress, when does data movement to the Extended Retention Tier start on an EMC Data Domain system?

  A. Immediately after the cleaning completes
  B. In parallel to the cleaning
  C. During the next scheduled data movement
  D. During the next scheduled data balancing
  A. Immediately after the cleaning completes

• Question 93:

  In a EMC Data Domain system, which user role allows creation of snapshots as well as import and export of tapes to a VTL library?

  A. Backup-operator
  B. User
  C. Security
  D. Data-access
  A. Backup-operator

• Question 94:

  A customer is integrating an EMC Data Domain into their Symantec NetBackup environment as an OST device. DD Boost has been configured on the Data Domain. After a few weeks of running backups, the customer notices the performance is lower than expected.

  On the Data Domain, which configuration option should be enabled to offload part of the deduplication process to the NetBackup media server to improve backup performance?

  A. DSP
  B. NFS
  C. WAN Optimization
  D. MTree
  A. DSP

• Question 95:

  As illustrated in the exhibit, which cable connects one EMC Data Domain ES20 expansion shelf to another ES20 expansion shelf?

  

  A. A
  B. B
  C. C
  D. D
  B. B

• Question 96:

  An EMC Data Domain customer wants to replicate data between the four sites illustrated in the exhibit.

  

  The customer has the option to use DD Boost or NFS with their backup software.

  What is a key advantage of using DD Boost for backups in this environment instead of NFS?

  A. Catalog awareness of the replicas
  B. Ability to use virtual tape pools to manage replication
  C. Increases deduplication ratios
  D. Reduces the amount of data to replicate
  A. Catalog awareness of the replicas

• Question 97:

  How can Retention Lock Compliance be removed from an EMC Data Domain system?

  A. Reinstall the operating system from a USB key
  B. Run the file system destroy command
  C. Disable Retention Lock Compliance using security officer credentials
  D. Expire all locked data and then disable Retention Lock
  A. Reinstall the operating system from a USB key

• Question 98:

  When setting the MTU size for an Ethernet interface on an EMC Data Domain system, what is the maximum supported value?

  A. 1500
  B. 9000
  C. 9014
  D. 9040
  C. 9014

• Question 99:

  What are the states of the SAS LED connection status indicators at the back of an EMC Data Domain ES20?

  A. White, flashing green, solid green, amber
  B. Red, flashing green, solid green, amber
  C. White, solid green, flashing amber
  D. Flashing red, flashing green, solid green, amber
  A. White, flashing green, solid green, amber

• Question 100:

  What changed in the WWN format of the EMC Data Domain OS 5.4?

  A. NAA type 5
  B. First segment
  C. Last segment
  D. NAA type 1
  A. NAA type 5