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Huawei Certified Internetwork Expert-Transmission Sample Questions:

1. The gain of the OAU board is 23db, and 1% of the total output power of the OAU board is used for MON detection. The output optical power of the tested MON port is 8dbm, then the input optical power of the IN port of the OAU board is

A) -21dbm
B) -13dbm
C) -15dbm
D) -11dbm

2. PW APS bundling can reduce APS resource consumption and increase the speed of batch service switching.
Which of the following descriptions about PW APS bundling are correct? (multiple choice)

A) When the PW APS protection group is switched, its subsidiary protection pair also undergoes the same switching.
B) When the status of the PW APS slave protection pair changes, it will not cause the status of the PW APS protection group to change.
C) When the status of the PW APS slave protection pair changes, it will cause the status of the PW APS protection group to change.
D) When the PW APS protection group is switched, its subsidiary protection pairs will not undergo the same switching.

3. OptiX OSN 1800 is a compact multi-service optical transport platform. What is wrong in the following description? ()

A) The OptiX OSN 1800I chassis provides a total of 4 service single board slots
B) The maximum rate of a single channel is 10 Gbit/s (OTU2)
C) OptiX OSN 1800II chassis provides a total of 8 service single board slots
D) 1588v2 transmission is not supported, and external time signal access is not supported

4. Hybrid MSTP devices support cross-domain clock intercommunication, and support the intercommunication of synchronous Ethernet and SDH synchronization.

A) FALSE
B) TRUE

5. The following are not precautions for preliminary testing:

A) Before the test, check whether the required test wires are complete, the type of connector and the applicability of the instrument and whether the connection is good.
B) When performing a 24-hour bit error test, ensure that the entire test process is free from external interference (including human factors and power supply conditions, etc.). If there is an abnormality, the exact time of the abnormality should be recorded or the test should be repeated. The test time does not need to exceed 24 hours.
C) Prepare cotton swabs and alcohol, and pay attention to the cleaning of the connector at all times when testing the optical interface characteristics to ensure the accuracy of the test data.
D) When testing, be careful not to look directly at the optical transmitter interface, so as not to damage your eyes.

Solutions: