Fiber Optic

Question 1

Of the following cables, which offer the best protection against EMI?

– Single mode fiber optic
– RG-6
– Cat 5
– Cat 5E

Answer 1

– Single mode fiber optic

Question 2

Which of the following are characteristics of an MT– RJ fiber optic connector? Select two.

– They use a keyed bayonet
– They are used with multi fiber fiber fibre optic ribbon cables
– They must never be used with the single mode fiber optic cables
–they use a nickel plated housing
– They can be used with multi mode fiber optic cables
– They use metal guide pins to ensure accurate alignment

Answer 2

– They can be used with multi mode fiber optic cables

– They use metal guide pins to ensure accurate alignment

Question 3

Which of the following is true about single mode fiber optic network cabling?

– The central core is composed of Braided plastic or glass fibers
– It transmit multiple rays of light concurrently
– It’s less expensive than multi mode fiber optic cabling
– The central core is smaller than that of multimode fiber optic cabling
–it doesn’t support signet links as long as that supported by multiple fiber optic cabling

Answer 3

– The central core is smaller than that of multimode fiber optic cabling

Question 4

Which of the following connectors are used for fiber optic cables and include both cables any single connector? Select two.

– LC
– ST
– SC
– MT– RJ
– BNC

Answer 4

– MT– RJ

– LC

Question 5

Which of the following forms of optical fiber would you use to connect to buildings across campus from each other, which are several kilometers apart?

– Dual-mode
– Multi mode
– Fiber channel mode
– Single mode

Answer 5

Single mode

Question 6

Which of the following are characteristics of an LC fiber optic connector? Choose two.

– They use a stainless steel housing
– They use a housing and black system similar to an RJ– 45 UTP connector
– They can be used with either fiber-optic or copper cabling
– There’re half the size of standard connectors
– They use a one-piece bayonet connecting system
– They are threaded

Answer 6

– They use a housing and black system similar to an RJ– 45 UTP connector
– There’re half the size of standard connectors

Question 7

Which of the following are advantages of using fiber optic cabling for a network, as opposed to other types of cabling? Select two answers.

– An Immunity to electrical magnetic interference
– Faster installation
– greater cable distance without a repeater
– Lower installation costs

Answer 7

– An Immunity to electrical magnetic interference

– greater cable distance without a repeater

Question 8

Which of the following connectors usually require polishing as a part of an assembly process? Select two answers.

– ST
– SC
– IDC
– BNC
– AUI

Answer 8

– ST

– SC

Question 9

Which of the following connectors is used with fiber optic cables and connects using a twisting motion?

–BNC
– LC
– ST
– f-type
– SC

Answer 9

– ST