The overhead ratio is a factor that affects the error correction capability of FEC technology. Generally, under the same FEC encoding/decoding algorithm, the higher the overhead ratio, the greater the net coding benefit.

• A.FALSE
• B.TRUE

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What are the functions of MPLS-TP OAM? (Multiple Choice)

• A.Fault management
• B.Alarm monitoring
• C.Fault location
• D.Performance monitoring

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Which of the following is the client-side logical port of a board in standard mode?

• A.n(Nn/OUTn)-OCH:l-ODUk:m-ODUp:q
• B.RX/TX-n
• C.ODUkLP-n
• D.ClientLP-n

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Which of the following operating modes does the AT8 board support? (Multiple Choice)

• A.1E1M
• B.Reverse 2E2M
• C.2E2M
• D.Reverse 1E1M

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Which of the following monitoring boards do not support the processing and transparent transmission of 1588V2 signals? (Multiple choice)

• A.ST2
• B.SC2
• C.SC1
• D.AST2

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