EMC E20-385 Online Practice Questions and Exam Preparation

EMC E20-385 Online Questions & Answers

• Question 71:

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

• Question 72:

  Which pieces of information are necessary to determine the capacity requirements of an EMC Data Domain system?

  A. Full backup size, backup frequency, anticipated deduplication ratios, and retention policy
  B. Backup window duration, backup frequency, retention policy, and number of backup tapes created weekly
  C. Full backup size, recovery time objective, anticipated deduplication ratios, and retention policy
  D. Backup window duration, recovery time objective, anticipated deduplication ratios, and frequency of data restores
  A. Full backup size, backup frequency, anticipated deduplication ratios, and retention policy

• Question 73:

  Which two licenses are tied to capacity on an EMC Data Domain system?

  A. Expanded and shelf capacity
  B. Added storage and shelf extension
  C. Storage expansion and shelf capacity
  D. Expanded shelf and expanded capacity
  A. Expanded and shelf capacity

• Question 74:

  A customer wants to implement EMC Data Domain Extended Retention on a Data Domain system in their environment. What is a requirement for using Extended Retention?

  A. SAS card must be available
  B. Usable capacity must be a minimum of 1 PB
  C. Controller must have 92 GB of memory
  D. Must be running a minimum of DD OS 5.1
  A. SAS card must be available

• Question 75:

  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
  C. Add more replication contexts

• Question 76:

  What is a characteristic of EMC Data Domain pool replication?

  A. Replicates the virtual tapes
  B. Replicates only data that matches the criteria of the configured pool
  C. Replicates the virtual library configuration and tapes
  D. Determines retention time of the replicated virtual tapes
  A. Replicates the virtual tapes

• Question 77:

  In an EMC Data Domain environment with DD Boost and DSP, which deduplication processes are performed at the backup server?

  A. Fingerprinting, filtering, and compression
  B. Segmentation, filtering, and writing
  C. Fingerprinting, compression, and writing
  D. Segmentation, fingerprinting, and compression
  D. Segmentation, fingerprinting, and compression

• Question 78:

  An organization has 6000 GB of file system data with a daily change rate of 10%. Assume the first backup reduces by a factor of 3 (3x), daily incremental backups reduce by a factor of 10 (10x), and subsequent full backups reduce by a factor of 30 (30x). Required retention is 10 weeks (1 weekly full/6 daily incrementals) and system utilization cannot exceed 50% of available capacity.

  What is the minimum EMC Data Domain storage required?

  A. 5600 GB
  B. 7600 GB
  C. 11200 GB
  D. 15200 GB
  D. 15200 GB

• Question 79:

  When connecting EMC Data Domain expansion shelves, what should be done to avoid cable stress at the solder joints of the connector?

  A. Keep the ambient temperature at an acceptable level
  B. Use screw lock assemblies
  C. Leave enough cable to allow for free air flow
  D. Secure the cable to the rack door
  B. Use screw lock assemblies

• Question 80:

  In which path location are Autosupport logs stored on an EMC Data Domain system?

  A. /ddvar/support
  B. /ddvar/log/debug
  C. /data/col1/support
  D. /data/col1/debug
  A. /ddvar/support