H31-311: HCIA-Transmission V2.5Demo

By Huawei · Question Mode

QuestionQ69

HUAWEI CLOUD Enterprise Intelligence Application Platform

Which of the following site types support adding or dropping services?

Choose three
  • A ROADM
  • B OLA
  • C FOADM
  • D OTM
Explanation

ROADM sites support configurable optical-channel add/drop operations, FOADM sites support fixed optical-channel add/drop operations, and OTM sites terminate client services through multiplexing and demultiplexing. An OLA only amplifies line signals in transit and has no service add/drop function.

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