Certified Information Systems Auditor (CISA) Question:
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While designing the business continuity plan (BCP) for an airline reservation system, the MOST appropriate method of data transfer/backup at an offsite location would be:

1. shadow file processing.
2. electronic vaulting.
3. hard-disk mirroring.
4. hot-site provisioning.

Answer: 1

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As updates to an online order entry system are processed, the updates are recorded on a transaction tape and a hard copy transaction log. At the end of the day, the order entry files are backed up on tape. During the backup procedure, a drive malfunctions and the order entry files are lost. Which of the following are necessary to restore these files?	Which of the following types of testing would determine whether a new or modified system can operate in its target environment without adversely impacting other existing systems?