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

1. In the system control unit, which of the following databases do not lose data after a power failure? (Multiple Choice)

A) FDB0
B) DRDB
C) FDB1
D) MDB

2. Which of the following effects is used by the Raman amplifier?

A) Raman scattering
B) Self-phase modulation (SPM)
C) Dispersion
D) Four-wave mixing (FWM)

3. In the 2.5G MSP ring consisting of four MSTP sites, when a protection switching occurs, which of the following statements about the alarm reporting is correct?

A) The PS alarm is reported on the tributary board.
B) The APS-INDI alarm is reported on the XCS board.
C) The APS-INDI alarm is reported on the system control board.
D) The APS-INDI alarm is reported on the line board.

4. The 1310 nm and 1550 nm transmission windows are low-loss windows. In DWDM systems, only the 1550 nm transmission window is used.
Which of the following is the major cause?

A) The non-linear effect of the 1550 nm wavelength area is small.
B) The working wavelength flatness area of the EDFA is included in this window.
C) The 1550 nm wavelength area is applicable to long-haul transmission.
D) None of the above

5. Which of the following is the functional unit that provides the interfaces related to the orderwire phone and serial data for the system?

A) Tributary unit
B) Auxiliary unit
C) Line unit
D) Cross-connect unit

Solutions: