EMC E20-385 Online Practice Questions and Exam Preparation

EMC E20-385 Online Questions & Answers

• Question 21:

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

  A. Encryption
  B. System sanitization
  C. File system recovery
  D. Snapshots
  C. File system recovery

• Question 22:

  A customer is looking for a solution to backup their 20 TB of image and video data on a Microsoft Windows server. The data has a high change rate and 3-day retention period. The customer can use either Fibre Channel or Ethernet for backups.

  Which EMC Data Domain configuration would best fit the customer's requirement?

  A. Data Domain is not a viable solution
  B. Data Domain system using CIFS
  C. Data Domain system using VTL
  D. Data Domain system using DD Boost
  A. Data Domain is not a viable solution

• Question 23:

  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 wants 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 of Data at Rest and pool replication with encryption enabled
  B. Encryption of Data at Rest and collection replication with encryption enabled
  C. Pool replication with encryption enabled
  D. Collection replication with encryption enabled
  A. Encryption of Data at Rest and pool replication with encryption enabled

• Question 24:

  By default, which percentage of CPU resources are allocated to the EMC Data Domain cleaning cycle?

  A. 25%
  B. 30%
  C. 50%
  D. 75%
  C. 50%

• Question 25:

  A customer wants to use the 10 GigE interfaces in their EMC Data Domain system for link failover. How many interfaces can be added to the bonding group?

  A. 2
  B. 3
  C. 4
  D. 6
  A. 2

• Question 26:

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

  A. Disable multiplexing
  B. Decrease parallelism
  C. Increase target sessions
  D. Set target sessions to "1"
  A. Disable multiplexing

• Question 27:

  What does the term "compression factor" refer to in the exhibit?

  

  A. Aggregate data reduction ratio
  B. Space used after compression
  C. Data sent to the EMC Data Domain system
  D. Total available space remaining
  A. Aggregate data reduction ratio

• Question 28:

  A company has decided to change their EMC Data Domain with NetWorker implementation from physical tapes to VTL.

  What is a supported implementation?

  A. Fibre Channel and NDMP
  B. Fibre Channel and SMTP
  C. Ethernet and SSL
  D. Ethernet and RTPS
  A. Fibre Channel and NDMP

• Question 29:

  A customer is currently using an EMC Data Domain system with VTL configured over Fibre Channel. They have a requirement to archive to tape. Which process is used to transport data to tape?

  A. Use the backup software to move backup data to tape
  B. Use the VTL interface to eject tapes to physical tapes
  C. Use the tape export function on the Data Domain system
  D. Use the Enterprise Manager on the Data Domain system
  A. Use the backup software to move backup data to tape

• Question 30:

  Why would you increase the MTU size on an EMC Data Domain system?

  A. Maximize performance when using 10 Gb Ethernet
  B. Support Ethernet frames smaller than 1500 bytes
  C. Maximize performance when using 100 Mb/s Fast Ethernet
  D. Support 1 Gb/s Ethernet frames
  A. Maximize performance when using 10 Gb Ethernet