E20-591 Online Practice Questions and Answers

In an EMC NetWorker backup environment, where do the metadata and backup policies reside?

A. Storage node

B. Backup server

C. Dedicated storage node

D. Backup client

If Data Domain is a target for backups, which environment will yield the highest deduplication compression ratio?

A. Hospital where compliance requires patient information (CAT scans, MRI, X-Rays) to be backed up and archived for 10 years

B. Virtualized environment where OS images are stored in a SAN environment backed up and stored for up to 3-6 months

C. Financial institution where compliance requires e-mails and documents are backed up and stored for up to 7 years

D. Database environment where transaction logs are backed up daily and stored for 1 month

In an EMC NetWorker datazone, which component stores the online databases that track backups and volumes?

A. Management Console Server

B. Server

C. Storage node

D. Media server

What would you modify to allow EMC NetWorker to retain a clone copy longer than the original save set?

A. Pool retention

B. Client retention

C. Group retention

D. Volume retention

Which EMC Avamar backup process breaks data into variable sized chunks?

A. Sticky-byte factoring

B. Compression

C. Hashing

D. Data object storage

On an EMC Avamar server, which activities can be performed while garbage collection is running?

A. Restore, browse existing backups, and queue backups

B. Perform backups, replicate data, and modify client configuration

C. Delete backups, change retention settings, and perform backups

D. Restore, delete backups, and receive replicated data

Which technique is used by the EMC Data Domain operating system to quickly identify new unique segments?

A. Summary vector

B. Segment localities

C. Hash cache

D. Fingerprint

A customer has their headquarters in London and two additional branch offices in Amsterdam and Barcelona. They want to replicate all data from their EMC Data Domain systems at the branch offices to the London headquarters' system. What is the most efficient type of replication to achieve this goal?

A. Many-to-one

B. Cascaded

C. One-to-one

D. Cascaded one-to-many

A customer has a Symantec NetBackup environment at two locations, each with EMC Data Domain as the target for backups. They are replicating data between the two sites.

The customer now requires that the Media/Master server is aware of both Data Domain systems for restoring files. Which feature meets this requirement?

A. DD Boost

B. Pool Replication

C. Directory Replication

D. SISL

Which additional feature does the EMC Data Domain Global Deduplication Array provide when compared to other Data Domain systems?

A. Higher capacity

B. Clustering

C. Replication

D. Encryption