QUESTION: 113

Regarding electrical layer service configuration, which of the following statements is false?

After the logical fiber connection is completed, no path search operation is required, and the OTS path and OMS path can be automatically generated
When the Och service path exists, create an OTUk path directly, and the network management can automatically create the OTUk path
If there is an Och service path, you can first search for the OTUk path, create the ODUk service layer path, and then create the Client path.
When the Och service path exists, directly create the OTUk path, and the network management can automatically create the OTUk and 0DUk paths.

Answer(s): A

Which of the following statements about multiplexed partial range error indication (MS-REI) is true?

1) B2 byte represents the transmission channel.

2) M1 byte folder indicates the transmission channel
3) MS-REI is sent from the receiver to the source.
4) MS-REI is transmitted from source to receiver
5) Indicates the number of bit errors detected by the receiver after receiving the MS signal.

1 4 5
2 4 5
1 3 5
2 3 5

Answer(s): D

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QUESTION: 115

Which items are correct about the description of Huawei's PTN6900 E-Trunk?

The higher the priority value of the E-Trunk, the higher the priority.
The active and standby devices periodically send Hello packets to each other
The ID of the E-Trunk is used to identify an E-Trunk
Able to achieve link aggregation across devices

Answer(s): B,C,D

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QUESTION: 116

Regarding the comparison of Raman amplifiers with EDFAs, which of the following statements is false?

The Raman amplifier selects different pump sources to amplify signals in different bands, so the Raman amplifier has no gain bandwidth limit in theory, while the EDFA has a range of gain bandwidth
The gain calculation/testing method of Raman amplifier and EDFA is consistent, both are "gain = output power - input power
The gain medium of Raman amplifier is transmission fiber; the gain medium of EDFA is EDF (Erbium Doped Fiber)
The equivalent noise figure of a Raman amplifier is smaller than that of an EDFA

Answer(s): B

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