An IS auditor attempts to sample for variables in a population of items with wide differences in values but determines that an unreasonably large number of sample items must be selected to produce the desired confidence level. In this situation, which of the following is the audit decision?

Which of the following BEST guards against the risk of attack by hackers?

Which of the following would be the MOST appropriate reason for an organization to purchase fault-tolerant hardware?

The PRIMARY reason for an IS auditor to use data analytics techniques is to reduce which type of audit risk?

During a review of operations, it is noted that during a batch update, an error was detected and the database initiated a roll-back. An IT operator stopped the roll-back and re-initiated the update. What should the operator have done PRIOR to re-initiating the update?