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DU0-001 · Question #212

MTBF is presented in which form?

The correct answer is A. Hours. MTBF (Mean Time Between Failures) is expressed in hours because it measures the average elapsed time a system operates before experiencing a failure - time being the natural unit for this metric. For example, a hard drive might have an MTBF of 1,000,000 hours, indicating…

Data Center Management and Operations

Question

MTBF is presented in which form?

Options

  • AHours
  • BPercent
  • CDistance
  • DCurrency

How the community answered

(40 responses)
  • A
    78% (31)
  • B
    13% (5)
  • C
    8% (3)
  • D
    3% (1)

Explanation

MTBF (Mean Time Between Failures) is expressed in hours because it measures the average elapsed time a system operates before experiencing a failure - time being the natural unit for this metric. For example, a hard drive might have an MTBF of 1,000,000 hours, indicating expected reliability over that operational period. Percent (B) is used for availability or failure rates, not duration; distance (C) applies to reliability metrics in transportation contexts like miles between failures (MTBF has no spatial component); and currency (D) is simply unrelated to reliability measurement. Memory tip: Think of MTBF as a clock - you're always asking "how many hours will this run before it breaks?" - keeping time front of mind.

Topics

#MTBF#reliability metrics#equipment availability#operational KPIs

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