Which of the following are the logical ports on the client side of the board in the standard mode?
Which of the following are the logical ports on the client side of the board in the standard mode?A . n(Nn/OUTn)-OCH: 1-ODUk: m-ODUp: aB . ClientLP-nC . RX/TX-nD . ODUkLP-nView AnswerAnswer: C
Generally in NG WD systems, the full-wave incoming fiber optical power generally does not exceed 20dBm. Which is the main reason?
Generally in NG WD systems, the full-wave incoming fiber optical power generally does not exceed 20dBm. Which is the main reason?A . In order to prolong the service life of the laser of the veneerB . In order to protect the optical cableC . To avoid non-linear effectsD . In...
If the Tunnel to which the PW belongs is configured with Tunnel APS, the PW cannot be configured with PW APS.
If the Tunnel to which the PW belongs is configured with Tunnel APS, the PW cannot be configured with PW APS.A . TRUEB . FALSEView AnswerAnswer: B
The OSN 8800 equipment adopts fan redundancy protection. When any fan in the fan box fails, the system can still operate normally for a long time.
The OSN 8800 equipment adopts fan redundancy protection. When any fan in the fan box fails, the system can still operate normally for a long time.A . TRUEB . FALSEView AnswerAnswer: B
For the non-linear effect FWM, which of the following processing methods is correct?
For the non-linear effect FWM, which of the following processing methods is correct?A . Control the incoming fiber optical powerB . Control the optical power of a single wavelengthC . Do not useD . 653 fiber in DWDM systemE . Use optical fiber with large effective areaView AnswerAnswer: A
Which of the following IP addresses are not private IP addresses?
Which of the following IP addresses are not private IP addresses?A . 172.128.0.1B . 10.255. 0.1C . 10.0.0.1D . 192.168.0.1View AnswerAnswer: A
When the cross-connect board is configured with 1+1 hot backup, the replacement of the cross-connect clock board will not affect the packet service under normal switching conditions.
When the cross-connect board is configured with 1+1 hot backup, the replacement of the cross-connect clock board will not affect the packet service under normal switching conditions.A . TRUEB . FALSEView AnswerAnswer: A
What are the main functions of the transport layer in the Huawei ECC protocol stack?
What are the main functions of the transport layer in the Huawei ECC protocol stack?A . Establish and maintain MAC connections between adjacent network elements.B . Establish and maintain the ECC routing table.C . Provide end-to-end communication services to the upper layerD . Provide data communication services.View AnswerAnswer: C
The following statement about the alarm reversal function, which is wrong?
The following statement about the alarm reversal function, which is wrong?A . For ports that have not opened services, alarm reversal is used to avoid related alarmsB . By default, it is non-reverse mode. In this mode, the alarm of the device port cannot be reversed.C . In automatic recovery...
When testing the overload point and sensitivity of the IN port of an OTU board, which of the following is not needed?
When testing the overload point and sensitivity of the IN port of an OTU board, which of the following is not needed?A . Optical power meterB . AttenuatorC . SDH analyzerD . OTDR measuring instrumentView AnswerAnswer: C