Solved MCQ of Computer networking set-3


1. In mesh topology, relationship between one device and another is ..............
A) Primary to peer
B) Peer to primary
C) Primary to secondary
D) Peer to Peer

2. The performance of data communications network depends on ..............
A) Number of users
B) The hardware and software
C) The transmission
D) All of the above

3. Find out the OSI layer, which performs token management.
A) Network Layer
B) Transport Layer
C) Session Layer
D) Presentation Layer

4. The name of the protocol which provides virtual terminal in TCP/IP model is.
A) Telnet
B) SMTP
C) HTTP

5. The layer one of the OSI model is
A) Physical layer
B) Link layer
C) Router layer
D) Broadcast layer

6. What is the name of the network topology in which there are bi-directional links between each possible node?
A) Ring
B) Star
C) Tree
D) Mesh

7. What is the commonly used unit for measuring the speed of data transmission?
A) Bytes per second
B) Baud
C) Bits per second
D) Both B and C

8. Which of the communication modes support two way traffic but in only once direction of a time?
A) Simplex
B) Half-duplex
C) Three - quarter's duplex
D) Full duplex

9. The loss in signal power as light travels down the fiber is called .............
A) Attenuation
B) Propagation
C) Scattering
D) Interruption

10. ......................... is an interconnection of networks that provide universal communication services over heterogeneous physical networks.
A) Internet
B) Intranet
C) Network
D) LAN

11. Commercial networks providing access to the ................... to subscribers, and networks owned by commercial organizations for internal use that also have connections to the internet. 
A) backbones
B) Network access points(NAPs)
C) Internet Exchange Points(IXPs)
D) All of the above

12. The ........................ layer is provided by the program that uses TCP/IP for communication.
A) Transport
B) Application
C) Internetwork
D) Network interface

13) The ....................... layer Provides the end-to-end data transfer by delivering data from an application to its remote peer. 
A) Transport
B) Application
C) Internetwork
D) Network interface

14) ................. provides connection-oriented reliable data delivery, duplicate data suppression, congestion control, and flow control.
A) TCP
B) IP
C) UDP
D) ICMP

15) ................... is used by applications that need a fast transport mechanism and can tolerate the loss of some data. 
A) TCP
B) IP
C) UDP
D) ICMP

16) .................. is a connection-less protocol that does not assume reliability from lower layers, which does not provide reliability, flow control, or error recovery.
A) Transmission control protocol
B) Internet protocol
C) User Datagram Protocol
D) Simple Mail Transfer Protocol


Answers:

1. D) Peer to Peer
2. D) All of the above
3. C) Session Layer
4. A) Telnet
5. A) Physical layer
6. D) Mesh
7. B) Baud
8. B) Half-duplex
9. A) Attenuation
10. A) Internet
11. D) All of the above
12. B) Application
13. A) Transport
14. A) TCP
15. C) UDP
16. B) Internet protocol

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