E20-005 Online Practice Questions and Answers

Which software component of a backup application sends media metadata to the backup server?

A. Storage node

B. Client

C. NetWorker Management Console

D. Application server

What is the maximum fault tolerance of RAID 6, where n is the number of disks?

A. n-2

B. 1

C. n-1

D. 2

Refer to the exhibit.

A company is implementing a virtual tape library (VTL) appliance in their environment. The appliance is physically connected to the SAN switch in a FC-AL topology. Storage nodes are also physically connected to the SAN switch as shown.

What needs to be done so that each storage node can see the appliance?

A. Zone each storage node to the appliance

B. Reconfigure the topology from FC-AL to FC-SW

C. Configure the operating system tape drivers on the storage nodes

D. Connect the backup server to the SAN switch

You need to copy Oracle data from a development server running Windows to a test server running Linux. How is this done?

A. Oracle online backup

B. Oracle offline backup

C. Linux dd command

D. Database export

What describes Oracle NOARCHIVELOG mode?

A. Online backup is supported

B. Online backup is not supported

C. Committed transactions are lost

D. Online redo logs are saved for recovery

Which setting mismatch in a customer environment can result in performance degradation of the network?

A. Duplex

B. Flow control

C. Buffer

D. Frame size

A backup environment has 20 GB of data with 10 percent initial commonality. The data is backed up to a target-based deduplication system on a full, every day backup schedule. After the first backup, 5 GB of data is changed. The same data set is backed up every day.

How much data is sent over the network on the first and second backups?

A. 20 GB for the first backup; 20 GB for the second backup

B. 20 GB for the first backup; 5 GB for the second backup

C. 18 GB for the first backup; 4.5 GB for the second backup

D. 18 GB for the first backup; 18 GB for the second backup

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 backup environment, what is the function of the client software component?

A. Coordinates the backup

B. Initiates recoveries

C. Stores tracking information

D. Writes data to a backup device