H31-311_V2-5 practice question 27 of 30

Which of the following is not the advantage of WDM?

Full set: 246 questions
Answer options
A: Large capacity and transparent data transfer
B: Easy to upgrade and maximize protection for existing investments
C: gold replacement for SDH equipment Correct answer
D: Future compatible with all optical switching networks
Correct Answer:
C. gold replacement for SDH equipment
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