SPC (Software Permanent Connection). It is the business connection between PC and SC. The user to the network part is directly configured by the network management management plane, and the connection of the network part is initiated by the network management management plane to the ingress network element control plane, which is completed by the ingress network element control plane through signaling

• A.TRUE
• B.FALSE

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The device perceives the frame structure, fixed framing mode, and encapsulation mode of time slot information in the TDM circuit:

• A.QINQ
• B.MPLS
• C.CESoPSN
• D.SAToP

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What are the precautions for configuring MPLS Tunnel on Hybrid MSTP? (multiple choice)

• A.The IP address of the Ethernet port of the same network element cannot be in the same network segment
• B.In the same network, the MPLS labels of all network elements cannot be the same
• C.The IPs of the ports at both ends of the same link must be in the same network segment
• D.In the same network, the LSR IDs of all network elements cannot be the same

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Which of the following operations may be caused by non-linear effects

• A.Adjust the gain of the receiving optical amplifier board, reduce the error of the OTU board
• B.Replace the originating optical amplifier board with a Raman board, reducing the bit error of the OTU board
• C.Increase the transmitter optical amplifier gain, reduce the bit error of the OTU board
• D.Reduce the output optical power of the transmitter, reduce the error of the OTU board

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Which of the following statements about PTN equipment Tunnel APS, PW APS, LMSP (1:N) protection is incorrect?

• A.Different protection objects
• B.All use protection switching protocol
• C.Both need to enable OAM function
• D.All belong to network-level protection

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