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Which of the following statements are true about ICMP messages? (Choose three)
They are encapsulated within IP datagrams
PING uses ICMP Echo Request and Reply messages
ARP resolves IP to MAC addresses using ICMP echo reply messages
They rely on transport layer protocol TCP
An ACL cannot filter ICMP messages
TRACEROUTE uses ICMP Time-to-Live Exceeded message
ICMP (Internet Control Message Protocol) is a management protocol and messaging service provider for IP. It works at the Network layer and is used by IP for different services. Its messages are carried as IP datagrams. The following are some common events and messages that ICMP relates to: 1) Destination Unreachable 2) Buffer Full 3) Hops 4) Ping 5) Traceroute
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