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Huawei HCIA-Transmission V2.5 Sample Questions:
1. Which of the following layers define the protocols that control the network layer? The protocols at this layer apply to logical links, that is, end-to-end connections between two devices.
A) Transport layer
B) Data Link Layer
C) Network layer
D) Application layer
2. Which subtype of tributary SNCP protection requires no electrical relay station in the subnet along which the ODUk signal passes?
A) SNC/I
B) SNC/N
C) SNC/S
3. Which of the following statements about the MST functional module are correct? (Multiple choice)
A) MST provides E2 orderwire channel
B) MST implements BIP-8 statistics calculation for B2 bytes
C) MST returns bit error information but does not return a specific number of bit errors
D) MST is both a source and a sink of MS.
4. Which of the following descriptions about solving the system OSNR limitation problem are correct?
(Multiple choice)
A) Use advanced modulation and coding technology to reduce the baud rate and improve OSNR tolerance.
B) Use low noise figure NF, high performance EDFA and Ramani amplifier board, such as N13OAU1O6 or TN11RAU106, to improve the receiving OSNR of the system.
C) Use the local oscillator laser of the same frequency to interfere with the received optical signal to improve the OSNR tolerance
D) Enhanced HFEC error correction coding is used to improve OSNR by nearly 1 dB compared to AFEC.
5. Which of the following is the OPUk payload structure identification overhead?
A) RES
B) NJO
C) PJO
D) PSI
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: B | Question # 3 Answer: A,D | Question # 4 Answer: A,B,C | Question # 5 Answer: D |
By Bridget
