EMC EMC Certifications E20-385 Questions & Answers

• Question 111:

  Refer to the exhibit.

  

  You are installing an EMC Data Domain system with expansion shelves. When is the cable connector shown in the exhibit used?

  A. Connecting to the Expansion Port on an ES30 Shelf

  B. Connecting to the Host Port on an ES30 Shelf

  C. Connecting to the Expansion Port on an ES20 Shelf

  D. Connecting to the Host Port on an ES20 Shelf

  Correct Answer: A

• Question 112:

  Refer to Exhibit.

  

  An EMC Data Domain customer has three offices with their payroll backups currently located in San Jose, California. They want to plan a disaster recovery strategy. The customer is concerned with the possibility of multiple disasters that could compromise both the source and destination sites simultaneously.

  Which replication topology will address the customer's concerns about availability and RTO?

  A. Topology: One-to-many Source: San Jose Destination: Seattle and Chicago

  B. Topology: One-to-one Source: San Jose Destination: Seattle

  C. Topology: Bidirectional Source: San Jose Destination: Chicago

  D. Topology: Many-to-one Source: San Jose and Seattle Destination: Chicago

  Correct Answer: A

• Question 113:

  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

  Correct Answer: C

• Question 114:

  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

  Correct Answer: D

• Question 115:

  A company is replicating two specific directories between two EMC Data Domain systems using a 4 Mb/s WAN connection.

  What can be done on the Data Domain systems to maximize replication performance?

  A. Enable low bandwidth optimization

  B. Implement collection replication

  C. Add more replication contexts

  D. Increase WAN bandwidth

  Correct Answer: C

• Question 116:

  On an EMC Data Domain system, what is the role of file system cleaning?

  A. Remove unreferenced segments from physical storage

  B. Delete data from VTL cartridges that have been marked as expired

  C. Remove all traces of a file to resolve classified message incidents

  D. Eliminate older snapshots if the file system exceeds 90% utilization

  Correct Answer: B

• Question 117:

  When monitoring EMC Data Domain systems, an administrator sees the System Manager File System Summary showing a compression factor of 20x.

  How is the equivalent value shown in the "Reduction%" column?

  A. 80

  B. 90

  C. 95

  D. 96

  Correct Answer: C

• Question 118:

  What is a benefit of snapshots on an EMC Data Domain system?

  A. Provides data restoration from a specific point in time for deleted data

  B. Requires no disk space to store

  C. Included with the replication license

  D. Provides NDMP backups to a remote site

  Correct Answer: D

• Question 119:

  A customer's EMC Data Domain system reports a global compression ratio of 7.8x. This does not meet the customer's expectations. What can be done to increase the data reduction ratio?

  A. Extend the data retention period

  B. Turn off local compression on the system

  C. Compress the data before sending it to the system

  D. Reduce the data retention period

  Correct Answer: A

• Question 120:

  An EMC Data Domain system has been installed at a customer's site for several months and has reached steady state.

  At which threshold percent does capacity reach the point where action should be taken to make more free space available?

  A. 75

  B. 85

  C. 90

  D. 95

  Correct Answer: B