Huawei h31-311-v2-5 practice test

HCIA-Transmission V2.5 Exam


Question 1

Which of the following is the functional unit that provides serial data for the interface and system
associated with the orderwire phone?

  • A. Cross-connecting unit
  • B. Auxiliary unit
  • C. Tributary units
  • D. Line units
Answer:

B

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Question 2

Which of the following statements about ODUk_PM_BDI is correct?

  • A. ODUk PM signal degradation
  • B. ODUk PM part BIP8 bit error threshold crossover
  • C. O0UkpM follows the defect indication
  • D. OD0kPM parallel connection indication
Answer:

C

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Question 3

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

  • A. Direct modulation of the light source
  • B. EA modulates the light source
  • C. Mach-Zehnder modulates the light source
  • D. None of the above
Answer:

C

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Question 4

Which of the following are the components of the WDM system summer with N glass lengths?
(Multiple choice).

  • A. Optical transponder unit
  • B. Wavelength division multiplexing unit)
  • C. optical amplifier unit
  • D. Supervisory unit
Answer:

A, B, C, D

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Question 5

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

  • A. E1
  • B. E2
  • C. E1 and E2
  • D. Not above
Answer:

A

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Question 6

When using a script to back up and restore network configuration data for the U2000, you can
change the directory where the export file is saved.

  • A. True
  • B. False
Answer:

B

Discussions

Question 7

When configuring VLAN-based service types, which of the following features must be enabled on the
port?

  • A. Flow control
  • B. Go to check
  • C. Autonegotiation mode
  • D. Broadcast packet suppression
Answer:

B

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Question 8

Which of the following alerts does not trigger an AU-AIS alert?

  • A. RLOS
  • B. MS-AIS C.AU-LOP
  • D. B2-ExC
Answer:

C

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Question 9

Which of the following statements about basic LCAS functionality are correct? (Multiple choice).

  • A. New network elements and links are automatically discovered.
  • B. Bandwidth dynamically increases or decreases. .
  • C. Failed members are protected and restored. .
  • D. Provides a fault-tolerant mechanism to enhance the robustness of the virtual cascading function. .
Answer:

B, C, D

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Question 10

Which of the following local maintenance endpoints can be used to manage MSTP devices?

  • A. U2000LCT B.U2000WebLCT
  • C. U200IP LCT
  • D. All of the above
Answer:

A

Discussions
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