Q. Which of the following is true about ICMP messages?
✅ Correct Answer: (B)
An ICMP error message may be generated only for the first fragment.
Data Communication and Networking MCQs and Notes
Q. Which of the following is true about ICMP messages?
✅ Correct Answer: (D)
none is true
Q. An ICMP message has _____ header and a variable-size data section.
✅ Correct Answer: (C)
an 8-byte
Q. ICMP messages are divided into two broad categories: _____________.
✅ Correct Answer: (A)
query and error reporting messages
Q. ICMP is a _________ layer protocol.
✅ Correct Answer: (C)
network
Q. A _______ is an ARP that acts on behalf of a set of hosts.
✅ Correct Answer: (C)
proxy ARP
Q. A technique called ______ is used to create a subnetting effect.
✅ Correct Answer: (C)
proxy ARP
Q. An ARP request is normally _______.
✅ Correct Answer: (A)
broadcast
Q. An ARP reply is normally _______.
✅ Correct Answer: (C)
unicast
Q. The use of hierarchy in routing tables can ________ the size of the routing tables.
✅ Correct Answer: (A)
reduce