If the LED indicator value on the SCC board of the OSN 8800 T32 board is 11, which of the following is the subrack ID?

• A.Slave subrack 2
• B.Slave subrack 1
• C.Slave subrack 17
• D.Slave subrack 11

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Which of the following description of discrete services is correct? (Multiple Choice)

• A.Perform path search on the U2000 network management. Cross-connections that do not form a path are called high-bandwidth services.
• B.A service is searched for a discrete service, indicating that the service is not working properly on the NE side.
• C.Discrete service management requires the U2000 license to have path management functions.
• D.For the cross-connections, after a path search, either a discrete service or forming a path with other cross-connections, which is impossible to be a discrete service, and forming a path with other cross-connections.

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The following protection methods belonging to NG WDM optical layer protection are: (Multiple Choice)

• A.Customer side 1+1 protection
• B.1+1 protection inside the board
• C.ODUk SNCP protection
• D.Optical line protection

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Which of the following functions is added to EX40 compared with X40?

• A.Monitors the optical power of a single channel.
• B.More multiplexed and demultiplexed wavelengths
• C.Supports optical-layer cross-connections.
• D.Fewer slots are occupied.

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Which of the following subracks does not support the configuration of packet board?

• A.OSN 1800V
• B.OSN 8800 T16
• C.OSN 1800II
• D.OSN 9800 P18

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