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Data and Database Administration

1.

If both data and database administration exist in an organization, the database administrator is responsible for which of the following?

Answer: B

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2.

A transaction log shows before and after images of records that have been modified by transactions.

Answer: B

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3.

Which of the following is the preferred way to recover a database after a system failure?

Answer: C

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4.

With concurrent processing involving updates, a database with concurrency control will be compromised due to interference between users.

Answer: B

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5.

The restore/rerun technique involves reprocessing the day's transactions up to the point of failure.

Answer: A

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6.

To build a data warehouse and develop business intelligence applications, it is important that an organization build and maintain a comprehensive repository.

Answer: A

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7.

Incorrect data is easy to detect.

Answer: B

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Answer: C

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Answer: A

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10.

A shared lock allows which of the following types of transactions to occur?

Answer: C

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