220-1101 / 1102 Domain 2: Networking

Which IPv4 classless mask equals a /24 network?

Multiple choice — select one answer

Answer choices

  1. a. DHCP
  2. b. 5 GHz
  3. c. 255.255.255.0
  4. d. RJ-45

Architectural breakdown & explanation

/24 leaves 8 host bits: 255.255.255.0.

Correct answer(s): c. 255.255.255.0

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

Official documentation & study links

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