Data Communication and Networks
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Computers
University
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is data communication?
Transfer of data from one point to the next.
Transfer of electronic data from one point to the next over a communication medium.
sending information
none of the above
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Types of communication media
Twisted and coaxial cables
duplex
Bluetooth
wired and wireless
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
collection of two or more computers joined together through communication media, to share information is?
Computer network
Wired network
half duplex
full duplex
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which network connects computers within a large geographical area?
Wide Area Network
Local Area Network
Metropolitan Area Network
None of the above
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Name the image shown.
network
bus topology
ring topology
star topology
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Full Duplex data flow means:
data travels in both directions, but only one direction at a time.
data travels in only one direction.
- data travels in both directions at the same time.
data does not travel.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The number of layers in ISO OSI reference model is __________
a) 5
b) 7
c) 6
d) 10
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