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Huawei Certified Internetwork Expert-Transmission Sample Questions:

1. The LPT (Link Pass Through) function is used in scenarios where WDM equipment accesses FE/GE/10GE LAN services. The correct statement about LPT is: (multiple choice)

A) The implementation of the LPT function can be divided into port-based LPT and service-based LPT.
B) From the network level, ALS is similar to the Link Pass Through (Link Pass Through) function. The difference is mainly reflected in the applicable services, fault transmission methods and laser restart mechanism.
C) It enables the user equipment to perceive the link status information by turning off and turning on the laser of the wavelength division device, thereby triggering the user equipment to activate the business protection function, and select the main or backup link for communication
D) By adding overhead bytes supporting the LPT protocol to the WDM side signal frame format, the operating status of the network access point or service network can be monitored.

2. In the Linux system, the directory tree structure and the file system are two different concepts. The file system is the logical way of managing files in the operating system, and the directory tree structure is the physical storage method of files on the disk or partition.

A) FALSE
B) TRUE

3. After the AM function of the microwave equipment is enabled, the signal level of the high modulation mode is lower than that of the low modulation mode.

A) FALSE
B) TRUE

4. Use the integral method to measure the OSNR value of a 100G signal, read from the OSA, the integrated value of the signal power + noise power in the channel interval is 9.68uW, the integrated value of the noise power in the channel interval is 29.58nW, and the signal center frequency is within 0.1nm. The integrated power is 7.395nW, the OSNR value is ()?

A) 10log [(9.68-0.007395)/0.02958]
B) 10log [(9.68-0.02958)/0.007395]
C) 10log [(9.68+0.007395)/0.02958]
D) 10log [(9.68+0.02958)/0.007395]

5. Which of the following IP addresses is a class C IP address

A) 10011010.01101110.10000000.01101111
B) C2.A8.D2.e1
C) 127.0.0.1
D) 10.110.192.111

Solutions: