Computer network mcq and answer
What is Computer network?
Computer Network is a group of computers connected with each other through wires, optical fibres or optical links so that various devices can interact with each other through a network.
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In the case of computer network technology, there are several types of networks that vary from simple to complex level.
Computer Networks mcq and answer :-
1)If all devices are connected to a central hub, then topology is called ?
A.Bus Topology
B. Ring Topology
C.Star Topology
D. Tree Topology
Ans:C
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
Ans:D
3)Which of the transport layer protocols is connectionless? ?
A. UDP
B. TCP
C.FTP
D. Nvt
Ans: A
4) A communication device that combines transmissions from several I/O devices into one line is a?
A. Concentrator
B. Modifier
C. Multiplexer
D. Full duplex file
Ans: C
5) …… address use 7 bits for the and 24 bits for the portion of the IP address. ?
A. Class A
B. Class B
C. Class C
D. Class D
Ans: A
Computer Networks Objective type Questions with Answers
6) Which of the following are Gigabit Ethernets?
A.1000 BASE-SX
B. 1000 BASE-LX
C.1000 BASE-CX
D. All of the above
Ans: D
7) Which of the following is not a mechanism that DHCP supports for IP address allocation?
A.Automatic allocation
B.Static allocation
C. Dynamic allocation
D. Manual allocation
Ans: B
8)The ……………. is used to provide integrity check, authentication and encryption to IP datagram.
A. SSL
B. ESP
C. TSL
D. PSL
Ans:B
9)….. mode is used whenever either end of a security association is gateway.
A. Tunnel
B. Encapsulating
C. Transport
D. Gateway
Ans: A
10) Which of these is a standard interface for serial data transmission?
A. ASCII
B. RS232C
C. 2
D. Centronics
Ans: B