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CompTIA Security+ study material · question 411 of 611

A failover to an untested standby fails. Which two causes are most typical? Choose two.

  1. Configuration that was never replicated
  2. Expired or missing certificates
  3. Insufficient disk capacity at the primary
  4. An out-of-date asset inventory
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Answer: A. Configuration that was never replicated
B. Expired or missing certificates

Failover usually breaks on details that only a real exercise exposes, not on the headline architecture.

Source: NIST SP 800-34 Rev. 1 (NIST) — SP 800-34 Rev. 1 § 3.5 Plan Testing, Training, and Exercises

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