220-1101 / 1102 Domain 2: Networking

Which DNS record maps a hostname to an IPv4 address?

Multiple choice — select one answer

Answer choices

  1. a. Cable tester or certifier
  2. b. 255.255.255.0
  3. c. A record
  4. d. WPA2/WPA3-Enterprise (802.1X)

Architectural breakdown & explanation

A records resolve names to IPv4 addresses.

Correct answer(s): c. A record

Exam domain: Domain 2: Networking (20% weight on the official guide).

Official documentation & study links

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