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DEA-3TT2 Questions and Answers

Question # 6

Which describes graceful degradation?

A.

The application detects a fault in the system and properly shuts down all modules to keep all data consistent

B.

Some modules are unavailable, but the entire application has not been brought down

C.

All modules are still available, but response times are degraded

D.

The application informs the end user their business is important and that the service will be back up as soon as possible

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Question # 7

A full backup of a production volume is created on Sunday, and incremental backups are created for the rest of the week. What are the contents of the backup on Thursday?

A.

all the data on the production volume

B.

all the data that has changed since Wednesday

C.

all the data that has changed since Sunday

D.

all the data that has changed since Monday

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Question # 8

Which model does MapReduce utilize?

A.

Batch processing

B.

Backup

C.

Geographic mapping

D.

Redundancy

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Question # 9

Which characteristic of big data refers to data generated by numerous sources?

A.

veracity

B.

variety

C.

volume

D.

velocity

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