Compared with UTP,optical fiber is ________ expensive to buy and install today.
A) less (when all costs of purchasing and installation are considered)
B) about as
C) more
Correct Answer:
Verified
Q53: In optical fiber,a typical wavelength is _.
A)50
Q54: Optical fiber uses _ signaling.(Give the most
Q55: In optical fiber,light travels through the _.
A)core
B)cladding
C)Neither
Q56: In LANs,optical fiber typically is used in
Q57: Which light wavelength dominates use in LAN
Q59: A popular type of optical fiber connector
Q60: Lower-wavelength light dominates in optical fiber because
Q61: Modal dispersion limits transmission distance in _.
A)multimode
Q62: What transmission medium do ALL DSL services
Q63: Single mode fiber distance is limited primarily
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