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Which of the following statements about ICMP functions is FALSE?
Suggested Answer: D
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ICMP (Internet Control Message Protocol) is used for network diagnostics and error messaging. Key uses include:
Ping (Echo Request/Reply) -- tests end-to-end connectivity
Traceroute -- uses ICMP time exceeded messages to identify hops
Error reporting -- returns various error types with different codes
However, ICMP does not re-route traffic. If a destination is unreachable, ICMP reports the error back to the sender; it doesn't instruct routers to re-route.
Option D is FALSE -- ICMP does not perform routing.
Nokia IP Fundamentals Guide -- Section: ''ICMP and Network Diagnostics''
RFC 792 -- ICMP Standard
12 comments · newest first
RU
Rusty
2 months ago
Right! A, B, and C are true. D is misleading.
WH
Whitney
2 months ago
Agreed! ICMP just reports errors, no rerouting.
CL
Clarence
2 months ago
I think D is the false one. ICMP doesn't reroute traffic.
BR
Brent
2 months ago
C is interesting, but I always thought ICMP was just for pings.
NI
Nieves
3 months ago
A and B are true, but D is misleading.
DE
Deja
3 months ago
Wait, are you sure about D? I thought it could help with that.
PA
Paulina
3 months ago
Agreed, ICMP is just for error messages, not rerouting.
CA
Carlene
3 months ago
D is definitely false. ICMP doesn't reroute.
LE
Leota
3 months ago
I’m a bit confused about B; I know ICMP can trace routes, but I’m not sure if it’s the only way to do that.
TY
Tyra
4 months ago
I think I saw a similar question about ICMP return codes, so C should be correct.
TH
Thaddeus
4 months ago
I’m not entirely sure, but I feel like D sounds off since ICMP doesn’t really reroute traffic automatically.
GI
Giovanna
4 months ago
I remember studying ICMP and its role in connectivity tests, so I think A is true.