EMC E20-385 Online Practice Questions and Exam Preparation

EMC E20-385 Online Questions & Answers

• Question 131:

  When looking at the output from system show performance as illustrated in the exhibit, what is represented by the value 26.7?

  

  A. Global compression over 1 minute
  B. Gz compression over 1 minute
  C. Global compression over 1 hour
  D. Gz compression over 1 hour
  A. Global compression over 1 minute

• Question 132:

  If you have a 2U EMC Data Domain Controller with three expansion shelves, what is the total rack space needed?

  A. 8U
  B. 9U
  C. 11U
  D. 14U
  C. 11U

• Question 133:

  What is the default password on a new EMC Data Domain system?

  A. serial number
  B. abc123
  C. sysadmin
  D. changeme
  A. serial number

• Question 134:

  An EMC Data Domain customer has an environment with 10 branch offices whose backup data is replicated to their primary location. For disaster recovery purposes, the primary location is replicated to an offsite location. Which replication topology does this represent?

  A. Cascaded
  B. Cascaded One-to-Many
  C. Many-to-One
  D. Star
  A. Cascaded

• Question 135:

  What is a valid use for link aggregation on an EMC Data Domain system?

  A. Utilize multiple network links for enhanced throughput
  B. Share network traffic between 1 Gb and 10 Gb links
  C. Overcome CPU limitations of backup servers
  D. Automatically restart failed backups if a network link is lost
  A. Utilize multiple network links for enhanced throughput

• Question 136:

  Which benefit is provided by EMC Data Domain Stream-Informed Segment Layout (SISL) scaling architecture?

  A. Deduplication of data inline which eliminates the need to write duplicate data to disk
  B. Ability to quickly deduplicate data previously stored on the Data Domain system which allows faster ingest of data
  C. Ability to verify the data stored in the Data Domain file system for reliability
  D. Ability to transparently and automatically recover from disk read errors using RAID parity
  A. Deduplication of data inline which eliminates the need to write duplicate data to disk

• Question 137:

  Which CLI command will show the cleaning status on an EMC Data Domain system?

  A. filesys clean status
  B. show clean status
  C. filesys clean show status
  D. system clean status
  A. filesys clean status

• Question 138:

  When configuring backups to an EMC Data Domain system using VTL, what is a backup software recommendation for NetWorker?

  A. Create two AFTDs per pool
  B. Group AFTDs by retention period and data type
  C. Increase the number of target sessions
  D. Set up a single AFTD in CIFS implementations
  A. Create two AFTDs per pool

• Question 139:

  What is the default behavior for the "messages" log file in an EMC Data Domain system?

  A. Every Sunday a new log file is opened and the previous log file is renamed
  B. Every day a new log file is opened and the previous log file is renamed
  C. Every Sunday at 03:00 the log file is purged
  D. Log file continues to grow indefinitely
  A. Every Sunday a new log file is opened and the previous log file is renamed

• Question 140:

  What does the EMC Data Domain system command # net failover add veth0 interface eth4a eth4b primary eth4a accomplish?

  A. Creates an IP alias for the Ethernet ports
  B. Creates a virtual interface for the Ethernet ports
  C. Causes the NIC to failover to eth4a
  D. Performs a failover to the replication target
  B. Creates a virtual interface for the Ethernet ports