Which protocol is normally used to communicate errors or other conditions at the IP layer…

Which protocol is normally used to communicate errors or other conditions at the IP layer, but has also been used to conduct denial-of-service attacks?

Which protocol is normally used to communicate errors or other conditions at the IP layer, but has also been used to conduct denial-of-service attacks?

A.
TCP

B.
ICMP

C.
SNMP

D.
UDP

Explanation:
ICMP is used for the PING command. It can be used in a smurf, teardrop, buffer overflow, and the ping of death attacks.
Incorrect Answers:
A: TCP does not run at the IP layer (Layer 3), TCP runs t the transport layer (Layer 4)
B: SNMP does not run at layer 3 IP Layer). SNMP runs at the application layer (Layer 7)
D: UDP does not run at the IP layer (Layer 3), UDP runs at the transport layer (Layer 4)



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