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Which of the following protocols' primary function is to send messages between network devices regarding the health of the network?
Suggested Answer: D
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Its primary function is to send messages between network devices regarding the health of the network. ARP matches an IP address to an Ethernet address. RARP matches and Ethernet address to an IP address. ICMP runs on top of IP.
Source: KRUTZ, Ronald L. & VINES, Russel D., The CISSP Prep Guide: Mastering the Ten Domains of Computer Security, 2001, John Wiley & Sons, Page 87.
11 comments · newest first
FE
Fernanda
11 months ago
ICMP is definitely the right choice here!
CO
Cordelia
11 months ago
I thought RARP had a role in network health too, but maybe I'm wrong?
AR
Arlette
12 months ago
Wait, isn't ARP also important for network communication?
JO
Jolanda
12 months ago
Totally agree, ICMP is crucial for network diagnostics.
ER
Eric
12 months ago
ICMP is the one that sends health messages!
JA
Jade
1 year ago
I vaguely recall that IP is more about addressing and routing, not really about health checks. So, ICMP seems like the right choice here.
AV
Avery
1 year ago
I feel like ICMP is definitely the protocol used for error messages and diagnostics, but I might be mixing it up with something else.
MI
Millie
1 year ago
I remember practicing a question about ARP and RARP, but I don't think they relate to network health.
GW
Gwenn
1 year ago
I think ICMP is the one that deals with network health messages, but I'm not completely sure.
GR
Graham
1 year ago
Hmm, I'm a bit unsure about this one. The wording is a little tricky, and I want to make sure I understand the difference between the simulator types before selecting an answer.
CO
Cory
1 year ago
Hmm, this looks like a tricky OSPF question. I'll need to carefully consider the area boundaries and LDP-over-RSVP tunneling requirements.