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Explanation: The TCP/IP protocol stack is very similar to the OSI model protocol stack. With TCP/IP connection orientated and connection less communication is possible. Both IP and UDP are both connectionless. TCP is a
Incorrect Answers:
B is incorrect; RARP and not ARP provide this functionality.
D is incorrect; ICMP is connection less.
Steve McQuerry. Interconnecting Cisco Network Devices. (Cisco Press: 2000) pages
Q. 83
What is the two most common request/reply pair with ICMP messages when using the ping command? (Choose two)
A.Echo reply
B.Echo request
C.Source quench
D.Fragment offset
E.Information redirect
F.Destination reachable
G.Echo control message
Answer: A and B.
Explanation: The most common form of these messages are pings, ICMP echo request, and ICMP echo replies.
Incorrect Answers:
C, D, E, F, and G are incorrect; these are not types of ICMP messages.
Steve McQuerry. Interconnecting Cisco Network Devices. (Cisco Press: 2000) pages
Q. 84
Which two protocol tools use ICMP? (Choose two)
A.Ping
B.Telnet
C.Configure
D.Trace route
E.Show commands
F.Standard access list
Answer: A, D
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