To build a data warehouse and develop business intelligence applications, it is important that an organization build and maintain a comprehensive repository.
Answer: Option C
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Failure to control confidentiality may lead to loss of competitiveness.
Authorization tables contain highly sensitive data and should be protected by stringent security rules.
Answer: Option A
A transaction log shows before and after images of records that have been modified by transactions.
Answer: Option B
The greatest threat to business security is often internal rather than external.
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