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

1. Which of the following factors determines that the optical signal-to-noise ratio (OSNR) at the receive end decreases to a certain extent After signals are transmitted for a certain distance in a WDM system, the optical signal-to-noise ratio (OSNR) at the receive end decreases to a certain extent.
Which of the following is the main cause?

A) New types of optical fibers are not used.
B) Fiber attenuation is excessively high.
C) Multiplexers and demultiplexers are used.
D) EDFAs are used.

2. SDH signals must be scrambled before being transmitted over optical fibers.
Which of the following bytes are not scrambled? (Multiple Choice)

A) A2
B) A1
C) J1
D) J0

3. The number of bit error blocks on each VC-4 channel is detected by B3 at the receive end. At the same time, the information is sent back to the transmit end through Q, and HP-REI and HP-FEBBE are reported at the transmit end.

A) K3 (b1-b4)
B) J (b1-b4)
C) G1 (b5-b8)
D) G1 (b1-b4)

4. Which of the following statements about OTN advantages is incorrect?

A) OTN provides powerful outband FEC functions to effectively guarantee the line transmission performance.
B) OTN provides a maximum of five levels of nested or overlapped TCM connection monitoring.
C) The WDM function is used to meet the requirement for Tbit/s bandwidth per fiber.
D) OTN provides 2.7 Gbit/s, 10.7 Gbit/s, 43 Gbit/s, and even 111.8 Gbit/s high-rate interfaces.

5. Which of following are the configuration modes of new NEs? (Multiple Choice)

A) Manual configuration
B) Downloading
C) Copying NE data
D) Uploading

Solutions: