N10-009 Domain 1: Networking Concepts

(Network+ pool) Supplemental concepts item 1: which best practice improves reliability?

Multiple choice — select one answer

Answer choices

  1. a. 53
  2. b. OSI model
  3. c. Single-mode fiber
  4. d. Follow change control and monitor metrics

Architectural breakdown & explanation

Operational discipline reduces outages and misconfigurations.

Correct answer(s): d. Follow change control and monitor metrics

Exam domain: Domain 1: Networking Concepts (24% weight on the official guide).

Official documentation & study links

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