
WCM Chapter 3
Authored by ALAIN Cheong
Professional Development
12th Grade
Used 19+ times

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54 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT an 'Unguided' media?
Optic Fibre
Satellite
Broadcast Radio
Infrared
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following describes 'Shielded Twisted Pair' (STP) cables?
Has an inner conductor surrounded by a tubular insulting layer, surrounded by a tubular conducting shield.
Has an overall sheath shield across all cable pairs.
Has pairs of wires wrapped in metallic foil.
Has twisted cable pairs.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following type of cable offers highest data speed transmission?
Coaxial
UTP
STP
Fibre Optic
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The frequency range of 30 MHz to 300 MHz is known as the ________ Frequency Band.
HF
VHF
UHF
SHF
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An Antenna having a Gain of 25dBd has a gain of _____ dBi.
22.86 dBi
25 dBi
27.14 dBi
30 dBi
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
what is the process known for light can be trapped in the fiber core
Total internal reflection
Total external reflection
Total internal refraction
Total external refraction
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which frequency band support Line-of-Sight
Medium Frequency
High Frequency
Low Frequency
Super High Frequency
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