For ADSL service,which of the following must be added to the telephone system?
A) A DSLAM.
B) A transmission line to the customer premises.
C) Both A and B
D) Neither A nor B
Correct Answer:
Verified
Q77: When the light energies of multiple pulses
Q78: Which of the following already runs to
Q79: LANs normally use _.
A)multimode fiber
B)single-mode fiber
Q80: Multimode fiber distance is limited primarily by
Q81: For their transmission medium,cable television companies primarily
Q83: For their transmission medium,cable television companies primarily
Q84: In ADSL,the customer needs _.
A)splitters
B)an ADSL modem
C)Both
Q85: Two-way amplifiers are needed for cable _
Q86: In cable television,the drop cable runs from
Q87: In cable television,the two conductors _.
A)run side-by-side
B)are
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