EMC E20-385 Online Practice Questions and Exam Preparation

EMC E20-385 Online Questions & Answers

• Question 171:

  When logging into an EMC Data Domain system during an initial installation, which connection type must be used?

  A. Serial Console
  B. FTP
  C. Telnet
  D. IPMI
  C. Telnet

• Question 172:

  Which method of deduplication yields better deduplication results for multiple data types?

  A. Variable segment size due to its ability to split the data stream into segments
  B. Variable segment size due to its ability to add data to a variable segment and move the data stream
  C. Fixed segment-based due to its ability to allow sub-file chunking of data
  D. Fixed segment size due to its ability to add data to a fixed segment and move the data stream
  A. Variable segment size due to its ability to split the data stream into segments

• Question 173:

  A customer is deploying EMC Data Domain systems in four data centers worldwide. The Data Domain systems will be using VTL. Each system will have a unique tape pool. The customer would like to replicate data to all sites. The data needs to be encrypted locally and then replicated to remote sites over the WAN.

  What needs to be deployed to meet the customer's requirements?

  A. Encryption for data at rest and pool replication with encryption enabled
  B. Encryption for data at rest and collection replication with encryption enabled
  C. Pool replication with encryption enabled
  D. Collection replication with encryption enabled
  A. Encryption for data at rest and pool replication with encryption enabled

• Question 174:

  What is a component of Data Domain Data Invulnerability Architecture that protects against data loss?

  A. Fault avoidance
  B. Encryption
  C. System sanitization
  D. Snapshots
  A. Fault avoidance

• Question 175:

  Which protocols support connectivity to an EMC Data Domain system through an Ethernet interface?

  A. CIFS, NFS, DD Boost
  B. iSCSI, 10 GigE, RMAN
  C. DD Boost, NFS, FCP
  D. CIFS, iSCSI, RMAN
  A. CIFS, NFS, DD Boost

• Question 176:

  In an EMC Data Domain environment, when are cage nuts used?

  A. Square hole rack fastening
  B. Rack-to-rack fastening
  C. Round hole rack fastening
  D. Tapped hole rack fastening
  A. Square hole rack fastening

• Question 177:

  Refer to the Exhibit.

  

  When creating a second shelf chain on a EMC Data Doman controller, what are the two recommended SAS ports that should be used?

  A. 3a and 2a
  B. 3a and 2b
  C. 3b and 2a
  D. 3b and 2b
  C. 3b and 2a

• Question 178:

  After backups are expired and data is marked for deletion, when is space freed up on an EMC Data Domain file system?

  A. After completion of the next file system cleaning
  B. Daily at 6 AM
  C. Immediately after the data is marked for deletion
  D. When the Data Domain system is rebooted
  D. When the Data Domain system is rebooted

• Question 179:

  A customer has configured an MTree (/data/col1/departments) on an EMC Data Domain system with two subdirectories configured as Sales and HR. They want to configure replication to replicate only the Sales subdirectory to another Data Domain system. In addition, they do not want to replicate the HR subdirectory.

  How can this be accomplished?

  A. Move the Sales subdirectory to its own MTree
  B. Take a snapshot of the Sales subdirectory and replicate the snapshot
  C. Configure directory replication for the subdirectory /data/col1/departments/Sales
  D. Perform a fast copy of the subdirectory /data/col1/departments/Sales and replicate the copy
  A. Move the Sales subdirectory to its own MTree

• Question 180:

  A customer environment has an EMC Data Domain system with Data Domain Extended Retention enabled. The environment has three sealed extended retention units. The customer notices a slight delay when accessing the oldest data sets.

  What is a potential reason for this issue?

  A. Retention units may be swapped out of memory
  B. Retention units were marked "Ready Sealed"
  C. Retention units should be unsealed
  D. Retention unit data is encrypted
  A. Retention units may be swapped out of memory