CISA Questions (501 - 600) with 100% Correct Answers
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Course
CISA - Certified Information Systems Auditor
Institution
CISA - Certified Information Systems Auditor
CISA Questions (501 - 600) with 100% Correct Answers
In auditing a database environment, an IS auditor will be MOST concerned if the
database administrator (DBA) is performing which of the following functions?
Select an answer:
A.
Performing database changes according to change management proc...
A. Denormalization should not cause loss of confidentiality even though
confidential data may be involved. The database administrator (DBA) should
ensure that access controls to the databases remain effective.
B. Normalization is a design or optimization process for a relational database that
minimizes redundancy; therefore, denormalization would increase redundancy.
Redundancy, which is usually considered positive when it is a question of resource
availability, is negative in a database environment because it demands additional
and otherwise unnecessary data handling efforts. Denormalization is sometimes
advisable for functional reasons.
C. Denormalization pertains to the structure of the database, not the access
controls. It should not result in unauthorized access.
D. Denormalization may require some changes to the calls between databases and
applications, but should not cause application malfunctions.
The objective of concurrency control in a database system is to:
4
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