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CS Professional · Artificial Intelligence, Data Analytics and Cyber Security - Laws and Practice · Information Systems

A company's disaster recovery plan has never been exercised since it was written three years ago. Which approach best gives assurance that the plan will work, with least risk to live operations?

Periodic tabletop and simulation tests followed by updating the plan give the best assurance with minimal risk to live systems. Testing exposes gaps in procedures and dependencies. An untested approved plan may fail, and unannounced production shutdowns or storing the plan on the primary server are unsafe.

  1. ARely on the written plan after the management approves it
  2. BConduct periodic tabletop and simulation tests, then update the plan from the findingsCorrect
  3. CPerform an unannounced shutdown of production systems annually
  4. DStore a copy of the plan only on the primary server

Explanation

Regular tabletop walkthroughs and simulations reveal gaps in procedures, contacts and technology without endangering production, and the plan is revised accordingly. Approval alone does not prove workability. An unannounced production shutdown is risky, and keeping the plan only on the primary server defeats its purpose in a disaster.

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