NEW QUESTION 42
In CV/FFD detection, the Ingress node sends a detection message at a certain period, and the Egress node uses how many times the sending cycle as the detection cycle, detect the number of received detection messages and the content of the message?

NEW QUESTION 43
The LAG types supported by MS-OIN equipment include () and ().

NEW QUESTION 44
Which of the following is the number of VLANs that QINQ technology can provide?

NEW QUESTION 45
After enabling TCM monitoring, when the upstream station detects a LOF alarm, it will plug in the IAE local end and report the ODU1_TCMn_IAES performance event.

NEW QUESTION 46
() multiplex ODU2e to one ODU3, () multiplex ODU2 to one ODU3.

NEW QUESTION 47
When the fiber between node and node B is open, the RU on the node detects the OTS_LOS alarm and inserts the OTS_BDI alarm into the node A. The RU on the node A reports the OTS_BDI alarm. The line board on the downstream node C reports the OCh_SSF alarm.

NEW QUESTION 48
The optical amplification unit can make up for the line loss and increase the transmission distance, and the system transmission distance can be extended to infinity through multi-level cascading.

NEW QUESTION 49
The instruments commonly used in the daily maintenance and troubleshooting of MSTP equipment are? (Multiple choice)

NEW QUESTION 50
Which of the following data does not belong to the network layer data on the network management side?

NEW QUESTION 51
Which of the following protections need to use the APS protocol? (Multiple choice)

NEW QUESTION 52
Which of the following is the frame structure of STM-16?

NEW QUESTION 53
Which of the following descriptions about L2VPN is wrong?

NEW QUESTION 54
How many 64K services can a 2M bandwidth support at most?

NEW QUESTION 55
There are three multi-level connection monitoring modes (TCM) of OTN, which ones are correct? (Multiple choice)

NEW QUESTION 56
Since the EALC/ALC function is used in the SOM system, the service may be interrupted during optical power adjustment.

NEW QUESTION 57
The LER in the MPLS network is a kind of LSR located at the edge of the network.

NEW QUESTION 58
Which of the following descriptions about the TNV2E224 board is correct? (Multiple choice)

NEW QUESTION 59
The strength of the nonlinear effect of optical fiber is related to the optical power entering the fiber, the spectral width of the optical signal, and the characteristics of the modulation code pattern, and has nothing to do with the dispersion coefficient of the optical fiber and the number of spans.