CSC 240 - Network Fundamentals » Summer 2021 » Module 1 Week 2.3.4

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Question #1
Which type of optical fiber is normally used to connect two buildings that are several kilometers apart?
A.   Multi-mode
B.   Fibre Channel mode
C.   Single-mode
D.   Dual-mode
Question #2
Which of the following are advantages of using fiber optic cabling for a network?
A.   Lower installation cost and no special training or equipment is required
B.   Greater cable distances without a repeater and immunity to electromagnetic interference
Question #3
Which of the following is true about single-mode fiber optic network cabling?
A.   Single-mode cabling supports shorter segment lengths than multi-mode fiber optic cabling.
B.   Single-mode fiber optic cabling is less expensive than multi-mode cabling.
C.   The central core is smaller than standard multi-mode fiber optic cabling core.
D.   The central core is composed of braided plastic or glass fibers.
Question #4
Of the following cables, which offer the best protection against EMI?
A.   Single-mode fiber optic
B.   Cat 5e
C.   RG-6
D.   Cat 5
Question #5
Which of the following connectors usually require polishing as part of the assembly process?
A.   BNC and F-Type
B.   SC and ST
C.   RJ45
Question #6
Which of the following are characteristics of an LC fiber optic connector?
A.   They use a one-piece bayonet connecting system and they can be used with either fiber optic or copper cabling.
B.   They can be used with either fiber optic or copper cabling and they are threaded.
C.   They use a housing and latch system similar to an RJ45 UTP connector and they are half the size of standard connectors.
Question #7
Which of the following are characteristics of an MTRJ fiber optic connector?
A.   They are used with multi-fiber fiber optic ribbon cables and they must never be used with single-mode fiber-optic cables.
B.   They use a keyed bayonet.
C.   They use metal guide pins to ensure accurate alignment and they can be used with multi-mode fiber optic cables.
Question #8
Which of the following connectors is used with fiber optic cables and requires that you use a twisting motion to connect it?
A.   BNC
B.   ST
C.   SC
D.   F-type
E.   LC
Question #9
Which of the following connectors are used with fiber optic cables and include both cables in a single connector?
A.   BNC and SC
B.   LC and MTRJ

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