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Huawei H31-311-ENU Exam Syllabus Topics:

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

Question 1

Which of the following is the meaning of SFD in the Ethernet frame structure?

A. Frame check sequence
B. Payload
C. Start frame delimiter
D. Preamble

Question 2

An unprotected chain consists of four NEs: NE1, NE2, NE3, and NE4. An end-to-end VC4 trail NE1-NE4 is created, and NE5 is added between NE2 and NE3 for capacity expansion. The original configuration remains unchanged, and no service is configured on NE5. In this case, the unprotected chain becomes NE1-NE2-NE5-NE3-NE4, and how many VC4 trails can be searched out?

A. 0
B. 2
C. 3
D. 1

Question 3

MSP is a network-level protection scheme. The MSP does not directly protect a service, and the MSP switching and restoration are not affected even if there is no service on the MSP ring.

A. TRUE
B. FALSE

Question 4

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

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

Question 5

Which of the following are the device-level protection schemes of SDH products? (Multiple Choice)

A. Power supply protection
B. System control board protection
C. TPS protection
D. Cross-connect and timing board protection

Solutions: