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Huawei H31-311-ENU Exam Syllabus Topics:

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

Question 1

When a working PQ1 board is faulty, the device performs TFS protection switching.
Which of the following statements about the switching process are correct? (Multiple Choice)

A. The protection PQ1 board receives and processes the services that are transferred from the D75S board to the protection bus to complete the protection switching.
B. The cross-connect board detects that the PQ1 board is faulty through the board status bus.
C. The D75S board responds to the switching message by transferring services to the shared protection bus and stopping sending services to the faulty PQ1 board.
D. If the protection PQ1 board is normal, the cross-connect board sends a switching message to the D75S corresponding to the faulty PQ1 board through the switching control bus.

Question 2

Linear MSP (LMSP) has two modes: 1+1 and 1:1. Extra services can be configured for the protection channel only in the 1:1 mode of LMSP.

A. TRUE
B. FALSE

Question 3

Which of the following optical sources has the best dispersion tolerance and stability?

A. None of the above
B. Mach-Zehnder modulation light source
C. EA-modulated light source
D. Directly modulated light source

Question 4

Which of the following statements about the sequence of a signal flow between the SDH interface and the cross-connect unit is correct?

A. SPI<>MST<>RST<>MSA<>MSP<>HPT
B. SPI<>RST<>MSA<>MSP<>MST<>HPT
C. SPI<>RST<>MST<>MSP<>MSA<>HPT
D. SPT<>MST<>MSA<>RST<>MSP<>HPT

Question 5

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

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

Solutions: