E20-005 Online Practice Questions and Answers

What is the primary reason for having disaster recovery backups?

A. To restore data from an alternate site due to data loss at a primary site

B. To restore data when data loss or logical corruptions occur during routine processing

C. To restore data that was archived for regulatory compliance

D. To restore data when data loss occurs due to minor hardware component failures

A business has a recovery point objective (RPO) of nine hours. What does this RPO mean in the event of a disaster?

A. No more than nine hours of production data can be lost

B. Restore from backup must occur within nine hours

C. Production must be resumed within nine hours

D. A backup copy of the production data must be obtained within nine hours

Which statement best describes a file system?

A. Organizes data in a structured hierarchical manner using directories

B. Defines block sizes depending on data type

C. Collects related records and stores them as a unit

D. Establishes a consistent file-naming convention

Which Microsoft Volume Shadow Copy Service component is responsible for freezing and thawing the application's data during the creation of snapshots?

A. Writer

B. Requestor

C. Provider

D. Backup application

A customer states that a majority of their restore requests are within the first few hours since a backup. They require high availability of the data for restores and a low-cost, offsite, long-term storage solution.

What strategy would you suggest?

A. Backup to disk, then clone to tape

B. Backup to tape with multiplexing

C. Backup to tape without multiplexing

D. Backup to tape, then clone to disk

Which component is present in a virtual tape library but not in a physical tape library?

A. Drive

B. Cartridge

C. Emulation engine

D. Slot

Refer to the exhibit.

When determining disk drive performance, between which two components is the internal transfer rate measured?

A. Interface and buffer

B. HBA and interface

C. Buffer and head disk assembly

D. Interface and head disk assembly

A customer has experienced a disaster occurring over several days. During that time, several components of critical applications remained operational while other components failed. What will have the most impact to backup and recovery operations?

A. Data consistency

B. Backup retention

C. RTO

D. RPO

What is the purpose of a disaster recovery backup?

A. Complete system and file system recovery

B. Individual file recovery

C. Keep data for extended periods of time

D. Provide copies of data to others

Which function is performed by a SCSI initiator device?

A. Issue commands to a target device

B. Switch orientations depending on the role it plays in an I/O operation

C. Execute commands

D. Serve requests