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Huawei Certified Internetwork Expert-Transmission Sample Questions:

1. Regarding the M40 and D40 channel isolation indicators of OSN 8800/6800 devices, which of the following statements is correct? () (multiple choice)

A) FIU's IN-TM and IN-TC isolation are both >40db
B) M40 non-adjacent channel isolation> 25dB
C) D40 non-adjacent channel isolation> 25dB
D) D40 adjacent channel isolation> 22dB
E) The isolation of SFIU's LINE1-OSC1 and LINE1-OSC2 are both ≥65db
F) M40 adjacent channel isolation> 22dB

2. There is a lower limit for the length of the Ethernet frame. What is the main reason for this?

A) Improve network bandwidth utilization
B) Conflict detection
C) Carrier monitor
D) Multi-point access

3. For WDM network, the following description is correct (multiple choice)

A) For 10G and 100G mixed transmission networks, you can use the performance of 100G to analyze the dispersion compensation of the system
B) For 10G and 100G mixed transmission networks, you can use the performance of 10G to analyze the dispersion compensation of the system
C) For an OAU board, you can roughly judge the type of DCM module connected to the site according to the upper threshold of nominal gain (dB) on the network management system and the upper threshold of actual gain (dB)
D) For the OAU board, the type of DGI module connected on site can be roughly judged based on the difference between the output of POUT and the input of BAIN

4. Which of the following descriptions are correct in daily maintenance?

A) Unplug and plug the board with the customer's consent
B) For the convenience of collecting data, if you don't know the customer, you can directly create a network element user to collect data
C) Without the authorization of the customer, the network management performs configuration data operations
D) During the cutover process, it is found that other unrelated network elements report an alarm, but the customer does not know that it will be processed directly

5. When the EX2 board of the PTN equipment is connected to the STM-64 port, how should the working mode of the interface be set?

A) WAN
B) Cannot be docked
C) LAN
D) Adaptive
E) Self-negotiation

Solutions:

Question # 1 Answer: B,C,F

Question # 2 Answer: B

Question # 3 Answer: A,C

Question # 4 Answer: A

Question # 5 Answer: A