Data and Database Administration
Which of the following is part of an administrative policy to secure a database?

Ensure appropriate responses rates are in external maintenance agreements
Authentication policies
All of these
Limiting particular areas within a building to only authorized people

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Data and Database Administration
Performance analysis and tuning is which of the following?

Undertaken as an ongoing part of managing a database
Undertaken one time at the time of a DBMS installation
Undertaken one time at the time of the implementation of a new application
Undertaken as an ongoing part of the backup of a database

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Data and Database Administration
Backward recovery is which of the following?

Where the after-images and before-images are applied to the database
Where the before-images are applied to the database
Where the after-images are applied to the database
Switching to an existing copy of the database

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