E20-005 Online Practice Questions and Answers

What is a benefit of deploying a separate storage node in the backup environment?

A. Reduced number of backups

B. Increased media utilization

C. Improved security and access control

D. Consolidate backup servers

What is the fault tolerance of a RAID 5 array, where n is the number of disks in the array?

A. 1

B. n-1

C. 2

D. n-2

Which switch port type is used for the interswitch link connectivity between two FC switches?

A. G_port

B. E_port

C. N_port

D. F_port

In host-based replication, during the creation of a snapshot, what is the purpose of the metadata bitmap?

A. To track blocks that have changed on the production source

B. To indicate the exact address from which data is to be read

C. To map a specific array device to a snapshot

D. To locate and map the empty data blocks on a target device

In Volume Shadow Copy Service, what is the role of the I/O interceptor?

A. Copies data from source to virtual volume before the write to source volume is allowed

B. Copies data from source to virtual volume after the write to source volume is allowed

C. Leaves the source volume unchanged and writes to virtual volume

D. Writes new data to both source volume and virtual volume

What is a characteristic of cloud technology?

A. Uses location-dependent virtual resources

B. Acquires storage resources on demand

C. Uses local, private cloud resources only

D. Employs native deduplication

A customer backup policy must meet the RPO management assigns. What backup configuration items must be considered to achieve the appropriate RPO?

A. Retention periods and granularity

B. Client and server parallelism

C. Multiplexing and multistreaming

D. Target backup devices

What is a characteristic of EMC NetWorker deduplication with Avamar?

A. Identifies and stores only unique, variable-sized, subfile data objects

B. Uses target-based deduplication

C. Uses file-based deduplication

D. Identifies and stores only unique, fixed-sized, metafile data objects

In a cross-product environment where Avamar is integrated with NetWorker, in which component are the backups and restores managed?

A. NetWorker storage node

B. NetWorker server

C. Avamar deduplication node

D. Avamar server

What is a benefit of using EMC NetWorker modules?

A. Ensures consistent backups

B. Improves tape utilization ratio

C. Organizes data on the backup media for fast recovery

D. Performs cold database backups