JN0-102 Question 32

Which two statements are true about optical networks? (Choose two.)

A. SONET and SDH both use time-division multiplexing.
B. An optical transport network system uses time-division multiplexing.
C. SONET and SDH both use wavelength-division multiplexing.
D. An optical transport network system uses wavelength-division multiplexing.

Answer: A,D



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