When configuring electrical layer crossing, what are the rules for time slot configuration?

• A.For the same service, the time slots occupied by the receiving turbulence and the transmitting turbulence in one direction must be the same
• B.After changing the service type, there is no need to reset the service time slot
• C.For the convenience of management and maintenance, it is recommended to set the time slot cutting mode to automatic mode
• D.For each board, the same time slot in the same direction cannot be used by multiple services at the same time

Comment: *

Name: *

Email: *

Verification: *

The purpose of setting the upper and lower threshold alarms for performance monitoring through professional network management does not include which of the following?

• A.If the data exceeds the upper and lower limits, the alarm will be reported to the network management as soon as possible
• B.Facilitates quick troubleshooting
• C.In the report, the data that exceeds the reading value can be identified by the red mark
• D.Easy to analyze historical traffic

Comment: *

Name: *

Email: *

Verification: *

On the PTN equipment, when the tunnel bears data and forwards, which one is wrong in the description of the actions of each node on the LSP?

• A.Penultimate jump pop-up label
• B.In Layer 3 forwarding, the Egress node needs to look up the routing table
• C.The Transit node searches the label forwarding information table and performs label switching
• D.lngress encapsulates the data entering the MPLS domain

Comment: *

Name: *

Email: *

Verification: *

Which of the following residual dispersion values are within the dispersion tolerance of the TN52ND2 board?

• A.500ps/nm
• B.900ps/nm
• C.600ps/nm
• D.700ps/rm

Comment: *

Name: *

Email: *

Verification: *

When any of the following situations occurs, the ODUk_PM_DEG alarm will be reported on the NMS?

• A.The ODUkTCMng signal is degraded, and the number of bit errors exceeds the specified error threshold.
• B.When the PM segment of the ODU layer is degraded by bit errors, and the number of error codes exceeds the specified bit error degradation threshold
• C.When the number of errors in the PM segment of the ODU layer exceeds the limit, the number of errors exceeds the specified error threshold.
• D.The error error of the ODUkTCMn layer exceeds the limit, and the number of error errors exceeds the specified error degradation threshold.

Comment: *

Name: *

Email: *

Verification: *