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Quizzes
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1
Transmission media are usually categorized as _______.
A)fixed or unfixed
B)guided or unguided
C)determinate or indeterminate
D)metallic or nonmetallic
2
Transmission media lie below the _______ layer.
A)physical
B)network
C)transport
D)application
3
_______ cable consists of an inner copper core and a second conducting outer sheath.
A)Twisted-pair
B)Coaxial
C)Fiber-optic
D)Shielded twisted-pair
4
In fiber optics, the signal is _______ waves.
A)light
B)radio
C)infrared
D)very low-frequency
5
Which of the following is not a guided medium?
A)twisted-pair cable
B)coaxial cable
C)fiber-optic cable
D)atmosphere
6
Which of the following is not an unguided medium?
A)twisted-pair cable
B)coaxial cable
C)fiber-optic cable
D)None of the choices are correct
7
Twisting in a twisted-pair help reduce the __________.
A)length
B)cost
C)noise
D)None of the choices are correct
8
Noise in a coaxial cable is reduced by ___________________.
A)twisting the cable
B)the outer conductor
C)the inner conductor
D)None of the choices are correct
9
UTP and STP are different implementations of ___________________ cable.
A)twisted-pair
B)coaxial
C)fiber-optic
D)None of the choices are correct
10
RJ-45 is a type of connectors used in _________ cabling.
A)twisted-pair
B)coaxial
C)fiber-optic
D)None of the choices are correct
11
RG rating is used in _________ cable.
A)twisted-pair
B)coaxial
C)fiber-optic
D)None of the choices are correct
12
SC and TP are two types of connectors used in _________ cabling.
A)twisted-pair
B)coaxial
C)fiber-optic
D)None of the choices are correct
13
The infrared wave has frequencies ________ microwave.
A)below
B)above
C)the same as
D)None of the choices are correct
14
BNC is a type of connectors used in _________ cabling.
A)twisted-pair
B)coaxial
C)fiber-optic
D)None of the choices are correct





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