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Huawei Certified Internetwork Expert-Transmission Sample Questions:

1. When the capacity of the cross-connect board is upgraded, the dual-cross configuration site is replaced, and there will be two cross-connect boards with different capacities at the same time. At this time, the cross-connect board switch will cause a long-term business interruption.

A) TRUE
B) FALSE

2. The following are not precautions for preliminary testing:

A) 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.
B) When testing, be careful not to look directly at the optical transmitter interface, so as not to damage your eyes.
C) 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.
D) 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.

3. When planning a 1+1 HSB, the corresponding planning principles should be followed. Which of the following are not HSB planning principles?

A) If the recovery type is selected as the protection type, it is recommended to set the waiting recovery time within the range of 5-12 minutes, and it is recommended to set the default value of 10 minutes
B) It is recommended to enable reverse switching to prevent the sender from performing invalid RDI switching due to signal fading
C) It is recommended to set the "Alarm reporting method" to "Report only to the protection group"
D) Although 1+1 HSB does not limit the slot of the IF board, it is still recommended that the main/backup IF board be installed in the dual slot

4. In microwave products, which of the following protection methods can enable reverse switching? (multiple choice)

A) 1+1 HSB
B) 1+1 SD
C) 1+1 FD
D) N+1 protection

5. Regarding the TTX board, which of the following statements is correct ()?

A) 8800 T64/T32 universal subrack can support TTX single board
B) The board is a tributary board that can access 100G client-side services
C) TTX can do ODU4 particle electrical crossover with NS4
D) In essence, the TTX board is not a 100G tributary board, but it requires a single slot 100G crossover capacity

Solutions: