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What is the maximum distance for 10GBase-ER and 10GBase-EW on a segment of single mode fiber?


A) 550m
B) 300m
C) 10km
D) 40km

E) C) and D)
F) A) and C)

Correct Answer

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A continuity tester should not be used on a live network segment.

A) True
B) False

Correct Answer

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Matching Match each correct item with the statement below. -The distance between corresponding points on awave's cycle,expressed in meters or feet.


A) 1000Base-LX
B) 1000Base-TX
C) ASCII
D) Cat (category)
E) DWDM (Dense Wavelength Division Multiplexing)
F) far end cross-talk (FEXT)
G) multiplexing
H) short circuit
I) throughput
J) wavelength

K) A) and I)
L) A) and D)

Correct Answer

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Using DWDM,a single fiber can carry between what two numbers of channels?


A) 60
B) 80
C) 160
D) 200

E) A) and C)
F) A) and B)

Correct Answer

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How many cable pairs are needed for 1000Base-T transmission over CAT5e cable?


A) 2
B) 4
C) 6
D) 8

E) A) and B)
F) A) and C)

Correct Answer

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Because digital signals do not depend on amplitude or frequency differences to communicate information,they are more vulnerable to EMI noise.

A) True
B) False

Correct Answer

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Which option below reflects the standard impedance of an RG-6 cable?


A) 50 ohms
B) 60 ohms
C) 65 ohms
D) 75 ohms

E) C) and D)
F) A) and B)

Correct Answer

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What is modulation? Provide two examples of how it can be used.

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Data modulation is a technology used to ...

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Matching Match each correct item with the statement below. -A form of transmission that allows multiplesignals to travel simultaneously over one medium.


A) 1000Base-LX
B) 1000Base-TX
C) ASCII
D) Cat (category)
E) DWDM (Dense Wavelength Division Multiplexing)
F) far end cross-talk (FEXT)
G) multiplexing
H) short circuit
I) throughput
J) wavelength

K) D) and G)
L) B) and I)

Correct Answer

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Frequencies used to convey speech over telephone lines fall between what two frequencies below?


A) 100 Hz
B) 300 Hz
C) 3.3 KHz
D) 5.5 KHz

E) B) and C)
F) A) and B)

Correct Answer

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