N10-009 Domain 2: Network Implementation

Which DNS server type holds authoritative zone records?

Multiple choice — select one answer

Answer choices

  1. a. Primary authoritative server
  2. b. Source IP affinity / persistence
  3. c. Frame Relay (legacy) / MPLS VPN concept
  4. d. RIP

Architectural breakdown & explanation

Authoritative servers store zone data.

Correct answer(s): a. Primary authoritative server

Exam domain: Domain 2: Network Implementation (19% weight on the official guide).

Official documentation & study links

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