a. How does fiber usually transmit a 1?

9a.) In optical fiber, light travels through the ______.

a. Core

b. Cladding

c. Both A and B

b. How do fiber cords typically provide full-duplex transmission?

9b.) Optical fiber cords typically have two fiber strands. This is done to allow ______.

a. Redundancy

b. Total redundancy

c. Half-duplex operation

d. Full-duplex operation

c. In what units are light wavelengths measured?

9c.) The distance between two corresponding points in adjacent cycles is the ______ .

a. Frequency

b. Wavelength

c. Bandwidth

d. Span

d. What are the three wavelength windows used in fiber transmission?

9d.) Which light wavelength dominates in LANs?

a. 850 nm

b. 1,310 nm

c. 1,550 nm

d. 1 Gbps

e. What is amplitude?

9e.) The strength of a wave is its ______ .

a. Amplitude

b. Frequency

c. Wavelength

d. Force