The E-Line service types supported by the MS-OTN packet device are: (Multiple Choice)

• A.E-Line carried by PW
• B.E-Line service based on VL.AN
• C.E-Line service based on QinQ
• D.Point-to-point transparent transmission of E-Line services

Comment: *

Name: *

Email: *

Verification: *

When creating an OCh trail by using the board method, the source/sink ports select the corresponding line board and the IN/OUT port of the FIU board.

• A.TRUE
• B.FALSE

Comment: *

Name: *

Email: *

Verification: *

When the working channel protected by the optical line fails, it cannot be automatically switched to the protection channel. What are the possible reasons? (Multiple Choice)

• A.Protection group parameter configuration error
• B.Waiting for the recovery time to be set too long
• C.The protection channel is faulty
• D.Artificially issued a lock command

Comment: *

Name: *

Email: *

Verification: *

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

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

Comment: *

Name: *

Email: *

Verification: *

Which step is more when the the single board replacement operation of main control board single configuration than main control board double configuration?

• A.Consistency check of network management and network element data.
• B.Query the alarm of the board and confirm that the original alarm has been cleared.
• C.Download the original configuration data
• D.Ensure that the version of the host software is the same before and after the replacement.

Comment: *

Name: *

Email: *

Verification: *