A datacenter manager has been asked to prioritize critical system recovery priorities. Which of the following is the MOST critical for immediate recovery?

Question

Options

• ACommunications software
• BOperating system software
• CWeekly summary reports to management
• DFinancial and production software

• A
  3% (1)
• B
  89% (32)
• C
  3% (1)
• D
  6% (2)

Explanation

Operating system software (B) must be recovered first because every other system - applications, communications, databases, reports - depends on the OS to function. Without it, no software can run at all, making it the foundational layer of any recovery effort.

Why the distractors are wrong:

• A (Communications software) is important but secondary; you need an OS running before communications software can even be installed or launched.
• C (Weekly summary reports) are low-priority non-critical data with no immediate operational impact - they can wait until core systems are stable.
• D (Financial and production software) are critical business applications, but they sit above the OS in the dependency stack and cannot operate without it.

Memory tip: Think of recovery priority as building a house - the OS is the foundation. You can't hang doors (apps) or run utilities (comms) before the foundation is solid. When in doubt, always ask: "What does everything else depend on?" - that's your highest priority.

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