Network Layer Address Mapping Error Reporting and Multicasting MCQs

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.

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

PRACTICE IT NOW TO SHARPEN YOUR CONCEPT AND KNOWLEDGE

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

22. IGMP helps a ________ router create and update a list of loyal members related to each router interface.

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

EXAMRADAR

For Solo Learner Computer science

Data Communication and Networking – Network Layer: Address Mapping, Error Reporting and Multicasting MCQs