Computer Network | Questions and Answers


Computer Network | Mock Test

Question 1
Automatic repeat request error management mechanism is provided by
a) logical link control sublayer
b) media access control sublayer
c) network interface control sublayer
d) none of the mentioned
Select one:
a. d
b. a
c. b
d. c

Feedback
The correct answer is: a
Question 2
If there are N routers from source to destination, total end to end delay in sending packet P
(L->number of bits in the packet R-> transmission rate)
a) N
b) (N*L)/R
c) (2N*L)/R
d) L/R
Select one:
a. d
b. c
c. b
d. a
Feedback
The correct answer is: b
Question 3
Which one of the following routing algorithm can be used for network layer design?
a) shortest path algorithm
b) distance vector routing
c) link state routing
d) all of the mentioned
Select one:
a. a
b. b
c. c
d. d
Feedback
The correct answer is: d
Question 4
The metric in RIP is called ______________
a)cost
b)hop count
c)distance
d)count
Select one:
a. a
b. b
Feedback
The correct answer is: b
Question 5
Which one of the following is a data link protocol?
a) ethernet
b) point to point protocol
c) HDLC
d) all of the mentioned
Select one:
a. c
b. a
c. b
d. d
Feedback
The correct answer is: d
Question 6
In Congestion Control, packet is put at end of input queue while waiting to be
1. Checked.
2. Entered.
3. Reached.
4.Controlled
Select one:
a. 2
b. 1
c. 3
d. 4
Feedback
The correct answer is: 1
Question 7
In MobileIP _____________address indicates the network number and thus identifies the mobile node’s point of attachment with respect to the network topology
a)System address
b)IP address
c)Care-off address
d)Home address
Select one:
a. a
b. c
c. d
d. b
Feedback
The correct answer is: c
Question 8
A subset of a network that includes all the routers but contains no loops is called
a) spanning tree
b) spider structure
c) spider tree
d) none of the mentioned
Select one:
a. c
b. b
c. a
d. d
Feedback
The correct answer is: a
Question 9
The data link layer takes the packets from _____ and encapsulates them into frames for transmission.
a) network layer
b) physical layer
c) transport layer
d) application layer
Select one:
a. c
b. a
c. d
d. b
Feedback
The correct answer is: a
Question 10
In slow-start algorithm, size of congestion window increases exponentially until it reaches a
1. Frame Relay.
2. Congestion Relay.
3. Threshold.
4.IP.
Select one:
a. b
b. a
c. d
d. c
Feedback
The correct answer is: c

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