1) Single-mode optical fiber typically supports transmission over longer distanc
ID: 645552 • Letter: 1
Question
1) Single-mode optical fiber typically supports transmission over longer distances between repeaters than multi-mode optical fiber.
a) True b) False
2) A modem converts digital data to an analog signal for transmission over analog media, or recovers the digital data from a received analog signal.
a) True b) False
3) Highest attentuation
a) Twisted pair cable b) optical fibre c) coaxial cable
4) Next Highest attentuation
a) Twisted pair cable b) optical fibre c) coaxial cable
5) Lowest attentuation
a) Twisted pair cable b) optical fibre c) coaxial cable
6) Optical Fibre a) BNC b) RJ45 c) LC
7) Coaxial Cable a) BNC b) RJ45 c) LC
8) Twisted pair cable a) BNC b) RJ45 c) LC
9) ------------ are used to extend the distance of digital transmissions.
a) repeaters b) modems c) cables d) amplifiers
10) ------------ are used to extend the distance of analog transmissions.
a) repeaters b) modems c) cables d) amplifiers
Explanation / Answer
1)True
2)True
3)optical fiber
4)coaxial cable
5)Twisted pair cable.
6c)LC
7)a)BNC
8)b)RJ45
9)a)repeaters
10)d)amlifiers
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