N10-009 Domain 3: Network Operations

Which KPI measures time between failures?

Multiple choice — select one answer

Answer choices

  1. a. MTBF
  2. b. Git-backed repo or NCM tool
  3. c. Availability percentage (e.g., 99.9%)
  4. d. SNMPv3

Architectural breakdown & explanation

Mean Time Between Failures indicates reliability.

Correct answer(s): a. MTBF

Exam domain: Domain 3: Network Operations (16% weight on the official guide).

Official documentation & study links

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