Huawei H31-311_V2.5 Exam Questions - Real Practice Questions for Guaranteed Success

Question 1

The backplane has two 48V power cords, and each board gets two -48V power supplies from the backplane. After combining the power supply via diodes, the various voltages required for each component are obtained by means of a DC/DC power module and a linear mane swap.

ATrue

BError

Correct : A

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ATrue

BError

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Question 2

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

AMDE

BDRDB

CFDB0

DFDB1

Correct : C, D

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AMDE

BDRDB

CFDB0

DFDB1

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Question 3

Are the following statements regarding the definition of SDH correct?

Ahierarchy that can be used for asynchronous digital transfers

BA hierarchy of standardized digital signals that can be asynchronously reused

CA hierarchy of standardized digital signals that can be cross-connected asynchronously

DComplete hierarchy of standard mathematical signals, providing simultaneous digital transmission multiplexing and cross-connectivity

Correct : D

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Ahierarchy that can be used for asynchronous digital transfers

BA hierarchy of standardized digital signals that can be asynchronously reused

CA hierarchy of standardized digital signals that can be cross-connected asynchronously

DComplete hierarchy of standard mathematical signals, providing simultaneous digital transmission multiplexing and cross-connectivity

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Question 4

Which of the following bytes can be used for ordenwire calls between two REG devices?

AE1

BE2

CE1 and E2

DNot above

Correct : A

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AE1

BE2

CE1 and E2

DNot above

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Question 5

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

ADirect modulation of the light source

BEA modulates the light source

CMach-Zehnder modulates the light source

DNone of the above

Correct : C

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ADirect modulation of the light source

BEA modulates the light source

CMach-Zehnder modulates the light source

DNone of the above

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Master Huawei H31-311_V2.5 Exam with Reliable Practice Questions

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