E20-385 Online Practice Questions and Answers

Where does in-line deduplication occur in an EMC Data Domain (DD) system?

A. DD RAM

B. DD Boost

C. DD NVRAM

D. DD CPU

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

An administrator wants to decrease the time needed to back up data to a locally connected EMC Data Domain system. In addition, the administrator wants to reduce the amount of network traffic generated by the backup software. Which DD Boost capability will achieve this requirement?

A. Distributed Segment Processing

B. Managed File Replication

C. Advanced Load Balancing and Failover

D. Low Bandwidth Optimization

An EMC NetWorker customer is implementing a new EMC Data Domain system in their environment. Backup data will be transferred over a private IP network. The customer plans to use three different NetWorker pools with different retention periods.

Which configuration is required?

A. Create one AFTD for each pool

B. Configure storage nodes to serve as aggregation points

C. Configure multiplexing across pools

D. Increase the device resource max sessions to 10

In a EMC Data Domain system, which user role allows creation of snapshots as well as import and export of tapes to a VTL library?

A. Backup-operator

B. User

C. Security

D. Data-access

Which user role is limited to monitoring and performing fastcopy operations on an EMC Data Domain system?

A. User

B. Data-access

C. Admin

D. Backup-operator

Refer to the exhibit.

When monitoring the system show performance command output, you notice that the state column has "D" for each line entry. What does the "D" in the "State" column indicate?

A. Disk Reconstruction

B. Disk Defragmentation

C. Data Movement

D. Data Integrity

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

Refer to the Exhibit.

When connecting a single expansion shelf to an EMC Data Doman DD670, what are the recommended SAS ports that should be used?

A. 2a and 3a

B. 2b and 3b

C. 3a and 2b

D. 3b and 2a

What are two link aggregation methods supported on an EMC Data Domain system?

A. Balanced-rr and Round Robin

B. Balanced-xor and Failover

C. Balanced-xor and Round Robin

D. Balanced-rr and Failover