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.
Question
Options
- AHTTP traffic packet
- BDNS traffic packet
- CPing packet
- DEthernet frame
- ESSH packet
How the community answered
(24 responses)- A4% (1)
- C92% (22)
- D4% (1)
Why each option
A Ping packet is a fundamental example of an ICMP packet, specifically using ICMP Echo Request and Echo Reply messages.
HTTP traffic uses TCP as its transport protocol, not ICMP.
DNS traffic primarily uses UDP or TCP as its transport protocol, not ICMP.
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.
An Ethernet frame is a Layer 2 data link encapsulation, not a Layer 3 network protocol like ICMP.
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
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