Q.1 When collection of various computers seems a single coherent system to its client, then it is called _________.
A. Computer network
B. Distributed system
C. Networking system
D. Mail system
Ans : Distributed system
Q.2 Two devices are in network if __________.
A. a process in one device is able to exchange information with a process in another device
B. a process is running on both devices
C. PIDs of the processes running of different devices are same
D. a process is active and another is inactive
Ans : a process in one device is able to exchange information with a process in another device
Q.3 Which of the following computer networks is built on the top of another network?
A. prior network
B. chief network
C. prime network
D. overlay network
Ans : overlay network
Q.4 In computer network nodes are _________.
A. The computer that originates the data
B. The computer that routes the data
C. The computer that terminates the data
D. Sll of the mentioned
Ans : All of the mentioned
Q.5 Communication channel is shared by all the machines on the network in ________.
A. Broadcast network
B. Unicast network
C. Multicast network
D. Anycast network
Ans : Broadcast network
Q.6 Bluetooth is an example of __________.
A. Personal area network
B. Local area network
C. Virtual private network
D. Wide area network
Ans : Personal area network
Q.7 A __________ is a device that forwards packets between networks by processing the routing information included in the packet.
A. bridge
B. firewall
C. router
D. hub
Ans : router
Q.8 A list of protocols used by a system, one protocol per layer, is called ________.
A. protocol architecture
B. protocol suite
C. protocol stack
D. protocol system
Ans : protocol stack
Q.9 Network congestion occurs _________.
A. in case of traffic overloading
B. when a system terminates
C. when connection between two nodes terminates
D. in case of transfer failure
Ans : in case of traffic overloading
Q.10 Which of the following networks extends a private network across public networks?
A. local area network
B. virtual private network
C. enterprise private network
D. storage area network
Ans : virtual private network
