In the electrical layer overhead processing-sink function, the signal flow from OCh to Client direction, first detect PM ODUkP, and then detect TCM ODUkT.

In the electrical layer overhead processing-sink function, the signal flow from OCh to Client direction, first detect PM ODUkP, and then detect TCM ODUkT.A . TRUEB . FALSEView AnswerAnswer: B

December 7, 2021 No Comments READ MORE +

Which of the following descriptions of PM_BIP8 related alarms is correct?

Which of the following descriptions of PM_BIP8 related alarms is correct?A . The PM_BIP8_DEG alarm indicates a signal degradation alarm in the PM segment of the ODU layer.B . The PM_BIP8_SD alarm indicates the signal degradation alarm of the PM segment at the OTU layer.C . The PM_BIP8_OVER alarm indicates...

December 7, 2021 No Comments READ MORE +

When the value of S1 byte is 0x02, it means ?

When the value of S1 byte is 0x02, it means ?A . G812 transfer office clock signalB . G812 local data clock signalC . Synchronization quality is agnosticD . G811 clock signalView AnswerAnswer: D

December 6, 2021 No Comments READ MORE +

After the PWE3 service is successfully deployed, the "Deployment Status" of the PWE3 service is displayed as?

After the PWE3 service is successfully deployed, the "Deployment Status" of the PWE3 service is displayed as?A . DeploymentB . ActivatedC . DeployedD . ActivationView AnswerAnswer: C

December 6, 2021 No Comments READ MORE +

It mainly completes the point-to-point voice communication between neighboring stations, without dialing, just off-hook. This PCM service is called:

It mainly completes the point-to-point voice communication between neighboring stations, without dialing, just off-hook. This PCM service is called:A . Sub-rate servicesB . Z interface extension businessC . FXS hotline businessD . E&M relay serviceView AnswerAnswer: C

December 6, 2021 No Comments READ MORE +

Before creating an optical crossover, you need to manually configure the corresponding port of the corresponding board as a boundary port, such as the line-side port of the FIU board between two sites.

Before creating an optical crossover, you need to manually configure the corresponding port of the corresponding board as a boundary port, such as the line-side port of the FIU board between two sites.A . TRUEB . FALSEView AnswerAnswer: A

December 6, 2021 No Comments READ MORE +

Which of the following is not 400G originating modulation technology?

Which of the following is not 400G originating modulation technology?A . Advanced oDSP algorithmB . Multi-carrier generation and multiplexingC . High-order modulation (xQAM)D . FDDM/Nyquist spectrum compression technologyView AnswerAnswer: A

December 6, 2021 No Comments READ MORE +

The OLA site can also use ESC.

The OLA site can also use ESC.A . TRUEB . FALSEView AnswerAnswer: B

December 6, 2021 No Comments READ MORE +

The lower the noise figure of the amplifier is, the less noise the amplifier introduces.

The lower the noise figure of the amplifier is, the less noise the amplifier introduces.A . TRUEB . FALSEView AnswerAnswer: A

December 6, 2021 No Comments READ MORE +

In the extended SSM ring network dual BITS clock protection scenario, in order to prevent the clock signal from forming a loop, you only need to configure the external clock source and internal clock source ID of the network element connected to the active BITS, and the network element connected to the standby BITS does not need to configure the internal clock ID.

In the extended SSM ring network dual BITS clock protection scenario, in order to prevent the clock signal from forming a loop, you only need to configure the external clock source and internal clock source ID of the network element connected to the active BITS, and the network element connected...

December 6, 2021 No Comments READ MORE +