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

Poor data administration can lead to which of the following?

A. A single definition of the same data entity

B. Familiarity with existing data

C. Missing data elements

D. All of the above

A traditional data administrator performs which of the following roles?

A. Tune database performance

B. Establish backup and recovery procedures

C. Resolve data ownership issues

D. Protect the security of the database

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

A. Data modeling

B. Database design

C. Metadata

D. All of the above

Which of the following is part of an administrative policy to secure a database?

A. Authentication policies

B. Limiting particular areas within a building to only authorized people

C. Ensure appropriate responses rates are in external maintenance agreements

D. All of the above