4A0-205: Nokia Optical Networking FundamentalsDemo

By Nokia · Question Mode

QuestionQ34

Basics of optical network design

Which of these statements regarding the ODUk unit is TRUE?

  • A The ODUk contains the FEC.
  • B The ODUk is the basic payload that can be electronically groomed and switched in the OTN network.
  • C The ODUk is processed at an optical level.
  • D The ODUk is the first container in which the client signal is inserted.
Explanation

An ODUk is the digital optical data-unit container used for electronic grooming, multiplexing, and switching in an OTN. A client signal is inserted into the OPUk payload, and FEC is associated with the enclosing OTUk rather than the ODUk. ITU-T G.709 defines ODUk multiplexing and client-signal mapping into OPUk payloads.

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