Cisco 100-105 Exam

Which three statements about DWDM are true? (Choose three)

  • A. It allows a single strand of fiber to support bidirectional communications
  • B. It is used for long-distance and submarine cable systems
  • C. It can multiplex up to 256 channels on a single fiber
  • D. It supports both the SDH and SONET standards
  • E. Each channel can carry up to a 1-Gbps signal
  • F. It supports simplex communications over multiple strands of fiber
Answer: Option C. D. E.
Explanation: 

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