Explore topic-wise MCQs in Computer Networks Mcqs.

This section includes 50 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Networks Mcqs knowledge and support exam preparation. Choose a topic below to get started.

1.

The size of an updating packet in distance vector routing is normally ___________ the size of an updating packet in a link state routing.

A. smaller than
B. larger than
C. the same as
D. none of the above
Answer» C. the same as
2.

In distance vector routing, the updating packet conveys the knowledge of the router about ________________.

A. the whole internetwork
B. the neighborhood
C. either a or b
D. neither a nor b
Answer» B. the neighborhood
3.

In distance vector routing, a router sends its updating packet ______________.

A. only to its neighbors
B. to every other router in the internetwork (through flooding)
C. either a or b
D. neither a nor b
Answer» B. to every other router in the internetwork (through flooding)
4.

In distance vector routing, the updating packets are sent ________________.

A. periodically
B. when there is a change
C. either a or b
D. neither a nor b
Answer» B. when there is a change
5.

In distance vector routing, if a router is connected to three networks, its original table contains _________ entries.

A. no
B. one
C. three
D. none of the above
Answer» D. none of the above
6.

In distance vector routing, a router has a route as Destination: N, Hop Count: 7, Next Hop: B. It receives a packet from C with a route to N as Destination: N, Hop Count: 6. The new route to N should be _______________.

A. Destination: N, Hop Count: 7, Next Hop: B
B. Destination: N, Hop Count: 7, Next Hop: C
C. Destination: N, Hop Count: 6, Next Hop: C
D. none of the above
Answer» B. Destination: N, Hop Count: 7, Next Hop: C
7.

In link state routing, a router sends its updating packet ______________.

A. only to its neighbors
B. to every other router in the internetwork (through flooding)
C. either a or b
D. neither a nor b
Answer» C. either a or b
8.

In link state routing, the updating packets are sent ________________.

A. periodically
B. when there is a change
C. either a or b
D. neither a nor b
Answer» C. either a or b
9.

In link state routing, the routing table for each router is ___________ other routers

A. the same as
B. different from
C. either a or b
D. neither a nor b
Answer» C. either a or b
10.

In link state routing, the link state database for each router is ___________ other routers

A. the same as
B. different from
C. either a or b
D. neither a nor b
Answer» B. different from
11.

If we have to enter the entries in the bridge table manually, the bridge is a ____________ bridge.

A. simple
B. transparent
C. either a or b
D. neither a nor b
Answer» B. transparent
12.

If we do not have to enter the entries in the bridge table manually, the bridge is a ____________ bridge.

A. simple
B. transparent
C. either a or b
D. neither a nor b
Answer» C. either a or b
13.

If a bridge is connected to 5 networks, it is called a ___________ bridge.

A. complex
B. multiport
C. either a or b
D. neither a nor b
Answer» C. either a or b
14.

The calculation time for the distance vector routing algorithm is _________ the one for the link state routing.

A. more than
B. less than
C. equal to
D. none of the above
Answer» C. equal to
15.

The storage media for the distance vector routing algorithm is _________ the one for the link state routing.

A. more than
B. less than
C. equal to
D. none of the above
Answer» C. equal to
16.

The Dijkstra algorithm is used in ___________ routing to find the shortest path tree.

A. distance vector
B. link state
C. both a and b
D. neither a nor b
Answer» C. both a and b
17.

The Dijkstra algorithm finds the shortest path using the ____________ cost.

A. absolute
B. relative
C. cumulative
D. cost
Answer» D. cost
18.

In the Dijkstra algorithm the process of finding the shortest path starts with a tree with _______ node(s).

A. 3
B. 2
C. 1
D. none of the above
Answer» D. none of the above
19.

In the Dijkstra algorithm the shortest path tree has _______ loop(s).

A. no
B. only one
C. an unlimited number of
D. none of the above
Answer» B. only one
20.

A repeater recognizes ___________ layer addresses.

A. data link
B. network
C. transport
D. none of the above
Answer» B. network
21.

A bridge recognizes ___________ layer addresses.

A. data link
B. network layer
C. transport layer
D. none of the above
Answer» B. network layer
22.

In distance vector routing, a router has a route as Destination: N, Hop Count: 7, Next Hop: B. It receives a packet from C with a route to N as Destination: N, Hop Count: 5. The new route to N should be _______________.

A. Destination: N, Hop Count: 7, Next Hop: B
B. Destination: N, Hop Count: 6, Next Hop: C
C. Destination: N, Hop Count: 5, Next Hop: C
D. none of the above
Answer» C. Destination: N, Hop Count: 5, Next Hop: C
23.

In distance vector routing, a router has a route as Destination: N, Hop Count: 7, Next Hop: B. It receives a packet from C with a route to N as Destination: N, Hop Count: 8. The new route to N should be _______________.

A. Destination: N, Hop Count: 7, Next Hop: B
B. Destination: N, Hop Count: 8, Next Hop: C
C. Destination: N, Hop Count: 9, Next Hop: C
D. none of the above
Answer» B. Destination: N, Hop Count: 8, Next Hop: C
24.

In distance vector routing, a router has a route as Destination: N, Hop Count: 7, Next Hop: B. It receives a packet from B with a route to N as Destination: N, Hop Count: 4. The new route to N should be _______________.

A. Destination: N, Hop Count: 7, Next Hop: B
B. Destination: N, Hop Count: 4, Next Hop: B
C. Destination: N, Hop Count: 5, Next Hop: C
D. none of the above
Answer» E.
25.

In distance vector routing, a router has a route as Destination: N, Hop Count: 7, Next Hop: B. It receives a packet from B with a route to N as Destination: N, Hop Count: 9. The new route to N should be _______________.

A. Destination: N, Hop Count: 7, Next Hop: B
B. Destination: N, Hop Count: 9, Next Hop: B
C. Destination: N, Hop Count: 10, Next Hop: B
D. none of the above
Answer» D. none of the above
26.

In distance vector routing, a router has a route as Destination: N, Hop Count: 7, Next Hop: B. It receives a packet from C with a route to N as Destination: N, Hop Count: 7. The new route to N should be _______________.

A. Destination: N, Hop Count: 7, Next Hop: B
B. Destination: N, Hop Count: 7, Next Hop: C
C. Destination: N, Hop Count: 6, Next Hop: C
D. none of the above
Answer» B. Destination: N, Hop Count: 7, Next Hop: C
27.

In distance vector routing, the routing table for each router is ___________ other routers

A. the same as
B. different from
C. either a or b
D. neither a nor b
Answer» C. either a or b
28.

A switch that waits until the whole packet has arrived before making routing decision, is called a _________ switch.

A. store-and-forward
B. cut-through
C. simple
D. none of the above
Answer» B. cut-through
29.

In link state routing, the updating packet conveys the knowledge of the router about ________________.

A. the whole internetwork
B. the neighborhood
C. either a or b
D. neither a nor b
Answer» C. either a or b
30.

A switch that makes routing decision as soon as the destination address has arrived is called a _________switch.

A. store-and-forward
B. cut-through
C. simple
D. none of the above
Answer» C. simple
31.

The table of a router normally contains addresses belonging to ____________ protocol(s).

A. a single
B. two
C. multiple
D. none of the above
Answer» B. two
32.

A multiprotocol router connecting an IP LAN to a Novell LAN should have at least _________ routing table(s).

A. one
B. two
C. three
D. none of the above
Answer» C. three
33.

The table of a multiprotocol router normally contains addresses belonging to ____________ protocol(s).

A. a single
B. two
C. multiple
D. none of the above
Answer» D. none of the above
34.

A brouter supports two protocols. If it receives a packet related to one of these protocol, it acts as a ___________.

A. repeater
B. bridge
C. router
D. none of the above
Answer» D. none of the above
35.

A brouter supports two protocols. If it receives a packet not related to any of these protocol, it acts as a ___________.

A. repeater
B. bridge
C. router
D. none of the above
Answer» C. router
36.

A router recognizes ___________ layer addresses.

A. data link
B. data link and network
C. transport
D. none of the above
Answer» C. transport
37.

A gateway recognizes ___________ layer addresses.

A. data link
B. data link and network
C. data link, network, and transport
D. none of the above
Answer» D. none of the above
38.

A repeater operates at layer(s) _________ of the OSI model.

A. 1
B. 1 and 2
C. 1, 2, and 3
D. 1 through 7
Answer» B. 1 and 2
39.

A bridge operates at layer(s) _________ of the OSI model.

A. 1
B. 1 and 2
C. 1, 2, and 3
D. 1 through 7
Answer» C. 1, 2, and 3
40.

A router operates at layer(s) _________ of the OSI model.

A. 1
B. 1 and 2
C. 1, 2, and 3
D. 1 through 7
Answer» D. 1 through 7
41.

A gateway operates at layer(s) _________ of the OSI model.

A. 1
B. 1 and 2
C. 1, 2, and 3
D. 1 through 7
Answer» E.
42.

If we need to split a 10BASE5 LAN because the signal is very weak at the end of the line, we need a ____________.

A. repeater
B. bridge
C. router
D. gateway
Answer» B. bridge
43.

If we need to split a 10BASE5 LAN because the traffic is heavy, we need a ____________.

A. repeater
B. bridge
C. router
D. gateway
Answer» C. router
44.

If we need to split a 10BASE5 LAN into two independent LANs, we need a ____________.

A. repeater
B. bridge
C. router
D. gateway
Answer» D. gateway
45.

If we need to split a 10BASE5 LAN into two independent LANs with each LAN using different higher level protocols, we need a ____________.

A. repeater
B. bridge
C. router
D. gateway
Answer» E.
46.

A bridge installed between three segments of a LAN has _________ physical addresses.

A. 1
B. 2
C. 3
D. none of the above
Answer» D. none of the above
47.

A repeater installed between two segments of a LAN has _________ physical addresses.

A. 1
B. 2
C. 3
D. none of the above
Answer» C. 3
48.

A station on a 10BASE5 LAN can act as a _____________.

A. repeater
B. bridge
C. a or b
D. none of the above
Answer» E.
49.

A station on a 10BASE-T LAN can act as a _____________.

A. repeater
B. bridge
C. a or b
D. none of the above
Answer» D. none of the above
50.

A station on a Token Ring LAN can act as a _____________.

A. repeater
B. bridge
C. a or b
D. none of the above
Answer» D. none of the above