In this section of Data Communication and Networking – Network Layer: Address Mapping, Error Reporting, and Multicasting MCQ (Multiple Choice) Based Questions and Answers,it cover the below lists of topics,All the Multiple Choice Questions and Answers (MCQs) have been compiled from the book of Data Communication and Networking by The well known author behrouz forouzan.

This Section covers below lists of topics.

  1. RIP and OSPF MCQs.
  2. LSA and BGP MCQs.
  3. Internet Group Management Protocol (IGMP) MCQs.
  4. DVRMP MCQs.
  5. Reverse path forwarding (RPF) MCQs.
  6. Reverse path broadcasting (RPB) MCQs
  7. Core-Based Tree (CBT) protocol MCQs
  8. PIM-DM – a source-based routing protocol MCQs
  9. PIM-SM – a group-shared routing protocol MCQs

PRACTICE IT NOW TO SHARPEN YOUR CONCEPT AND KNOWLEDGE

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1. A _______ address is an internetwork address with universal jurisdiction.

  • physical
  • logical
  • a and b
  • none of the above

2. The logical addresses in the Internet are called _______ addresses

  • port
  • IP
  • Email
  • none of the above

3. A ________ is a local address. Its jurisdiction is over a local network.

  • physical
  • logical
  • a and b
  • none of the above

4. If the sender is a host and wants to send a packet to another host on the same network, the logical address that must be mapped to a physical address is ______

  • the destination IP address in the datagram header
  • the IP address of the router found in the routing table
  • either a or b
  • none of the above

5. If the sender is a host and wants to send a packet to another host on another network, the logical address that must be mapped to a physical address is ______.

  • the destination IP address in the datagram header
  • the IP address of the router found in the routing table
  • either a or b
  • none of the above

6. The sender is a router that has received a datagram destined for a host on another network. The logical address that must be mapped to a physical address is ______.

  • the destination IP address in the datagram header
  • the IP address of the router found in the routing table
  • either a or b
  • none of the above

7. The sender is a router that has received a datagram destined for a host on the same network. The logical address that must be mapped to a physical address is ______.

  • the destination IP address in the datagram header
  • the IP address of the router found in the routing table
  • either a or b
  • none of the above

8. In _______, a table associating a logical address with a physical address is updated manually.

  • static mapping
  • dynamic mapping
  • physical mapping
  • none of the above

9. _______ is a dynamic mapping protocol in which a physical address is found for a given logical address.

  • ARP
  • RARP
  • both a and b
  • none of the above

10. The target hardware address on an Ethernet is _______ in an ARP request

  • 0x000000000000
  • 0.0.0.0
  • variable
  • class dependent

11. An ARP reply is normally _______

  • broadcast
  • multicast
  • unicast
  • none of the above

12. An ARP request is normally _______

  • broadcast
  • multicast
  • unicast
  • none of the above

13. A technique called ______ is used to create a subnetting effect.

  • ARP
  • RARP
  • proxy ARP
  • none of the above

14. A _______ is an ARP that acts on behalf of a set of hosts

  • ARP
  • RARP
  • proxy ARP
  • none of the above

15. ICMP is a _________ layer protocol

  • data link
  • transport
  • network
  • none of the above

16. ICMP messages are divided into two broad categories: _____________

  • query and error reporting messages
  • request and response messages
  • request and reply messages
  • none of the above

17. An ICMP message has _____ header and a variable-size data section

  • a 16-byte
  • a 32-byte
  • an 8-byte
  • none of the above

18. Which of the following is true about ICMP messages?

  • An ICMP error message may be generated for an ICMP error message
  • An ICMP error message may be generated for each fragment
  • An ICMP error message may be generated for a multicast datagram.
  • none is true

19. Which of the following is true about ICMP messages?

  • An ICMP error message may be generated for an ICMP error message
  • An ICMP error message may be generated only for the first fragment
  • An ICMP error message may be generated for a multicast datagram.
  • none is true

20. IGMP is a companion to the ______ protocol.

  • UDP
  • TCP
  • ICM
  • none of the above

21. IGMP is _______ protocol

  • an error reporting
  • a group management
  • a transmission
  • none of the above
  • broadcast
  • unicast
  • multicast
  • none of the above

23. IGMP operates __________

  • locally
  • globally
  • both a and b
  • none of the above

24. An IGMP query is sent from a _______ to a _______

  • host; host
  • host; router
  • router; host or router
  • none of the above

25. The _______ is used by a router in response to a received leave report

  • general query message
  • special query message
  • membership report
  • none of the above

26. The least significant 23 bits in a 48-bit Ethernet address identify a ________

  • multicast router
  • host
  • multicast group
  • none of the above

27. The _______ field of the IGMP message is all zeros in a query message

  • version
  • type
  • group address
  • none of the above

28. A multicast message is sent from _______ to _______.

  • one source; one destination
  • one source; multiple destinations
  • multiple sources; one destination
  • none of the above

29. In networks that do not support physical multicast addressing, multicasting can be accomplished through _______

  • mapping
  • queries
  • tunneling
  • none of the above

30. If four hosts on a network belong to the same group, a total of _______ sent in response to a general query message

  • one membership report is
  • two membership reports are
  • three membership reports are
  • none of the above
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