Worksheetsunit-3 mcqs
Total questions: 25
Worksheet time: 25mins
ICMP is primarily used for __________
Error and diagnostic functions
Addressing
Forwarding
Routing
In virtual circuit network each packet contains ___________
full source and destination address
a short VC number
only source address
only destination address
Which of the following is not correct in relation to multi-destination routing?
is same as broadcast routing
contains the list of all destinations
data is not sent by packets
there are multiple receivers
A subset of a network that includes all the routers but contains no loops is called ________
spanning tree
spider structure
spider tree
special tree
Steps required in setup process are ___________
Setup request and acknowledgement
Setup request and setup response
Setup request and setup termination
Setup and termination steps
In virtual circuit network, the number of delay times for setup and teardown respectively are _______
1 and 2
1 and 1
2 and 1
2 and 2
In data transfer phase, how many columns does the table contain?
1
2
3
4
Delay of the resource allocated on demand during data transfer is ________
constant
increases for each packet
same for each packet
different for each packet
Delay of the resource allocated during setup phase during data transfer is ________
constant
increases for each packet
same for each packet
different for each packet
During teardown phase, the source, after sending all the frames to destination, sends a _____ to notify termination.
teardown response
teardown request
termination request
termination response
Which of the following is not a phase of virtual circuit network?
Setup phase
Data transfer phase
Termination phase
Teardown phase
The Identifier that is used for data transfer in virtual circuit network is called _______
Global address
Virtual circuit identifier
Network identifier
IP identifier
Open Shortest Path First (OSPF) is also called as _____________
Link state protocol
Error-correction protocol
Routing information protocol
Border gateway protocol
The computation of the shortest path in OSPF is usually done by ____________
Bellman-ford algorithm
Routing information protocol
Dijkstra’s algorithm
Distance vector routing
In OSPF, which protocol is used to discover neighbour routers automatically?
Link state protocol
Error-correction protocol
Routing information protocol
Hello protocol
Which of the following is not a type of OSPF packet?
Hello
Link-state request
Link-state response
Link-state ACK
Datagram networks mainly refers to _________
Connection oriented networks
Connection less networks
Telephone networks
Internetwork
The probability of the error in a transmitted block _________ with the length of the block
Remains same
Decreases
Increases
Is not proportional
Which command displays RIP routing updates?
Show IP route
Debug IP rip
Show protocols
Debug IP route
Which protocol gives a full route table update every 30 seconds?
IEGRP
RIP
ICMP
IP
_________ is the default administrative distance of RIP.
0
90
120
130
Which statement is true regarding classless routing protocol?
The use of discontinuous networks is not allowed
Use of variable length subnet masks is permitted
RIPv1 is a classless routing protocol
IGRP supports classes routing within the same autonomous system
Where should we use default routing?
On stub networks- which have only one exit path out of the network
Which have more than one exit path out of the network
Minimum five exit paths out of the network
Maximum five exit paths out of the network
What does administrative distance rank?
Metrics
Sources of routing information
Router reliability
Best paths
Which protocol maintains neighbor adjacencies?
RIPv2 and EIGRP
IGRP and EIGRP
RIPv2
EIGRP
