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Monday 25 February 2013

Data Communication and Networking Part-1


1.What is the minimum number of wires needed to send data over a serial communication link layer
A.1
B.2
C.3
D.4
Click for answer 

B.2
2.Which data communication method is used to send data over a serial communication link?
A.Simplex
B. Half Duplex
C.Full Duplex
D.All of these
Click for answer 

C.Full Duplex
3.The interactive transmission of data within a time sharing system may be best suited to..
A.Simplex Lines
B. Half Duplex Lines
C.Full Duplex Lines
D.biflex lines
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B.Half Duplex Lines
4.Which of the following is an example of bounded medium?
A.Coaxial cable
B. wave guide
C.Fibre optic cable
D.All of these.
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D.All of these
5.Coaxial cable has conductors with
A.Equal resistance
B.same diameter
C.Different diameter
D.a common axis
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D.a common axis
6.A central computer surrounded by one or more satellite computers is called..
A.Ring Network.
B.Star network.
C.Bus network
D.none ofv these
Click for answer 

B. Star network.
7.The forms of information that may be sent electronically are
A.voice.
B.data
C.video
D.All Of these.
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D.All Of these.
8.The basic compont necessary for communication is a...
A.computer terminal
B.modem.
C.communication s/w
D.All of these.
Click for answer 

D.All of these

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