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Which of this is not a guided media?
A. Fiber optical cable
B. Coaxial cable
C. Wireless LAN
D. Copper wire
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UTP is commonly used in __________
A. Dsl
B. Fttp
C. HTTP
D. None of the mentioned
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Coaxial cable consists of _______ concentric copper conductors.
A. 1
B. 2
C. 3
D. 4
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Fiber optics posses following properties __________
A. Immune electromagnetic interference
B. Very less signal attenuation
C. Very hard to tap
D. All of the mentioned
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If an Optical Carrier is represented as OC-n, generally the link speed equals(in Mbps) __________
A. N*39.8
B. N*51.8
C. 2n*51.8
D. None of the mentioned
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Terrestrial radio channels are broadly classifed into _____ groups.
A. 2
B. 3
C. 4
D. 1
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Radio channels are attractive medium because __________
A. Can penetrate walls
B. Connectivity can be given to mobile user
C. Can carry signals for long distance
D. All of the mentioned
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Geostationary satellites ___________
A. Are placed at a fixed point above the earth
B. Rotate the earth about a fixed axis
C. Rotate the earth about a varying axis
D. All of the mentioned
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Word of the Day
22 May
Intensify
become or make more intense.
شدت بڑھانا، زیادتی کرنا، اضافہ کرنا

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