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Huawei HCIA-Transmission(Huawei Certified ICT Associate-Transmission) Sample Questions:

1. The clock unit can access an external clock source as the timing signal source of the system only through the external clock interface. In addition, it can output the processed clock and provide the clock source for other devices that require timing.

A) TRUE
B) FALSE

2. Which of the following are the main advantages of SDH? (Multiple Choice)

A) Powerful OAM
B) Standard interfaces
C) High compatibility
D) Synchronous multiplexing

3. Which of the following are different types of ESCs divided by implementation principles? (Multiple Choice)

A) Pilot tune DCC
B) Inserted DCC
C) Fixed frame structure DCC
D) None of the above

4. The pointer is used for alignment and indicates the start position of VC-n in the corresponding AU or TU frame. In this way, the receive end can correctly remove the corresponding VC from the STM-N, and then split the VC and C encapsulation to separate low-rate signals, such as PDH. That is, low-rate tributary signals can be directly dropped from the STM-N signal.

A) TRUE
B) FALSE

5. Which of the following statements about the optical-layer interfaces OTM-n.m and OTM-nr.m of OTN is incorrect?

A) OTM-nr.m with OSC signals is OTM-n.m.
B) m indicates the rate. The value can be 1, 2, or 3.
C) r indicates OTM without the OSC function..
D) n indicates the number of wavelengths carried by the maximum capacity,

Solutions: