Which of the Following Is True About the Factors That

Multiple Choice

Which of the following is true about the factors that should be considered when evaluating database business requirements and the associated risk assessments?

A) mission-critical systems provide administrators with a large time window for performing maintenance
B) databases that have a high change rate require more frequent backups
C) for best performance, backups should be done when the system is under peak load
D) a single large database is usually easier to maintain than several smaller databases