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Linux_Foundation

LFCS · Question #468

Which of the following is an example of an ICMP packet with a message type?

The correct answer is C. Ping packet. A Ping packet is a fundamental example of an ICMP packet, specifically using ICMP Echo Request and Echo Reply messages.

Submitted by yaw92· Apr 18, 2026Networking

Question

Which of the following is an example of an ICMP packet with a message type?

Options

  • AHTTP traffic packet
  • BDNS traffic packet
  • CPing packet
  • DEthernet frame
  • ESSH packet

How the community answered

(24 responses)
  • A
    4% (1)
  • C
    92% (22)
  • D
    4% (1)

Why each option

A Ping packet is a fundamental example of an ICMP packet, specifically using ICMP Echo Request and Echo Reply messages.

AHTTP traffic packet

HTTP traffic uses TCP as its transport protocol, not ICMP.

BDNS traffic packet

DNS traffic primarily uses UDP or TCP as its transport protocol, not ICMP.

CPing packetCorrect

The `ping` command sends ICMP (Internet Control Message Protocol) Echo Request packets to a target host and listens for ICMP Echo Reply packets, making it a direct application of ICMP for network reachability testing.

DEthernet frame

An Ethernet frame is a Layer 2 data link encapsulation, not a Layer 3 network protocol like ICMP.

ESSH packet

SSH traffic uses TCP as its transport protocol for secure remote access, not ICMP.

Concept tested: ICMP protocol usage

Source: https://www.ietf.org/rfc/rfc792.txt

Topics

#ICMP#Ping utility#Network protocols#Packet types

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