N10-009 Domain 1: Networking Concepts

Which ICMP message supports ping?

Multiple choice — select one answer

Answer choices

  1. a. Echo Request/Echo Reply
  2. b. 802.11ax era security updates include WPA3
  3. c. ::1/128
  4. d. Data, Segment, Packet, Frame, Bits

Architectural breakdown & explanation

Ping uses ICMP echo messages.

Correct answer(s): a. Echo Request/Echo Reply

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

Official documentation & study links

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