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Which of the following situations can cause the board to reinsert the BDI maintenance signal to the upstream site? (Multiple choice)
Which of the following situations can cause the board to reinsert the BDI maintenance signal to the upstream site? (Multiple choice)A . The board reports R_LOS B. Report OTU2_DEG on the board C. Report OTU2_LOF on the board D. ODU2_PM_LCKView AnswerAnswer: ACD
TM is a terminal multiplexer. Its function is: the line port inputs/outputs one STM-N signal, and the branch port can output/input multiple low-speed branch signals.
TM is a terminal multiplexer. Its function is: the line port inputs/outputs one STM-N signal, and the branch port can output/input multiple low-speed branch signals.A . True B. FalseView AnswerAnswer: A
QinQ technology can be interpreted as 802.1Q in 802.1Q, in other words, a layer of 802.1Q label is added on top of the 802.1Q label , the outer layer is C-VLAN and the inner layer is S-VLAN , two bytes more than a normal 802.1Q frame .
QinQ technology can be interpreted as 802.1Q in 802.1Q, in other words, a layer of 802.1Q label is added on top of the 802.1Q label , the outer layer is C-VLAN and the inner layer is S-VLAN , two bytes more than a normal 802.1Q frame .A . True B....
If a bit error is detected in the B2 byte, the peer end will report the following alarm.
If a bit error is detected in the B2 byte, the peer end will report the following alarm.A . MS-AIS B. RS-BBE C. MS-FEBBE D. MS-BBEView AnswerAnswer: C
When the PM segment of the ODUk generates seriously errored seconds, the network management will report the ODUk_PM_ES alarm.
When the PM segment of the ODUk generates seriously errored seconds, the network management will report the ODUk_PM_ES alarm.A . True B. FalseView AnswerAnswer: B
The frame structure of ODU4 is four times that of ODU1.
The frame structure of ODU4 is four times that of ODU1.A . True B. FalseView AnswerAnswer: B
Which of the following are the main functions of U20 0 0 network management? (Multiple choice)
Which of the following are the main functions of U20 0 0 network management? (Multiple choice) a. topology management B. Performance management C. Troubleshooting D. End-to-end business managementView AnswerAnswer: ABD
K1 and K2 bytes can transmit APS switching signaling, and can also indicate that the signal of the multiplex section is invalid.
K1 and K2 bytes can transmit APS switching signaling, and can also indicate that the signal of the multiplex section is invalid.A . True B. FalseView AnswerAnswer: A
Which of the descriptions about the FIU board is correct?
Which of the descriptions about the FIU board is correct?A . The FIU board processes monitoring information. B. FIU can complete the access and solution of OSC channel. C. In OptiX OSN 880 0 equipment, when there is no signal input, the FIU board will report an alarm. D. Whether...
MPLS is a label forwarding technology, which of the following was originally designed for?
MPLS is a label forwarding technology, which of the following was originally designed for?A . Increase the utilization rate of IP addresses B. Increase the forwarding speed of the router C. Reduce network latency D. Avoid broadcast stormsView AnswerAnswer: B
