Category Archives: H31-321-ENU Exam

01 Dec

H31-321-ENU Huawei Certified Network Professional-MSTP Transmission

Note: the following demo questions are newly updated on Dec. 1, 2016. We have updated this exam. 100% latest and valid.  And we will send full version new questions to your email in 10 minutes during working time; 12 hours offtime after we get your payment.

We will provide 10 questions for this H31-321-ENU HCNP-Transmission online test. You can get 10 points after answer one question correctly. All the questions we provide are the latest exam subjects. They are just part of the full version 150 questions.  If you want to purchase the full version 150 questions please go to our Shop page or click “I want to buy full version“. Just leave your message here or contact us via email hcdatest@outlook.com if you have any questions.

Start to test:

In order to quickly locate and promptly eliminate the failure of optical network equipment, maintenance personnel expertly master the basic operation of commonly used instrumentation, what of the following instruments are commonly used by optical network equipment in the maintenance? (Multiple Choice)

 
 
 
 
 
 

MSP switching results in service interruption Fault, the processing steps are:

  1. Check the whole network APS protocol enable status. If some NE can’t enable APs, then enable the protocol first.
  2. If the status is abnormal, you can try to restart APS protocol again and re-issue the parameters of the multiplex section. After the whole network protocol is started, it will query the switching status and the whole network alarm.
  3. Analyze the path of the faulty channel after the switchover, and then loop back to the next hop. According to the idea of “single station first, then single board”, locate the fault to the single station and then to board.
  4. After confirming that the whole network switching state is normal, the basically you can judge the device fails.
  5. If all the network element protocols are enabled, then query all network element switching status, there are switching state, normal state, through state.

Which of the following is the correct order?

 
 
 
 

SDH NEs track the clock source, which of the following options can be the clock sources? (Multiple choice)

 
 
 
 

About electrical safety, which of the following description is correct? (Multiple choice)

 
 
 
 

When replacing the PIU power supply board, when the device configure power supply 1+1 protection, you can directly replace the PIU board when the power switch of the DC power distribution box is not closed.

 
 

Which of the following description about the ASON-related protocol function? (Multiple choice)

 
 
 
 

NG-SDH system equipment supports both -48V and -60V power input. For OSN 3500 device, the input voltage range can be monitored by setting the power supply jumper for N3GSCC board. If the voltage supplied by the power supply is -48V, then should remove J30 and J31 jumper caps.

 
 

In daily maintenance, NE hosting is a very common type of failure.

The following descriptions about the ECC route, which are correct? (Multiple choice)

 
 
 
 

In the system commissioning, self-healing protection switching test is needed, which of the following description is wrong about the self-healing protection?

 
 
 
 

Which of the following is the path level supported by the NG-SDH device? (Multiple choice)

 
 
 
 
 

Question 1 of 10

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06 Feb

Huawei H31-321-ENU HCNP-MSTP Transmission Certification Exam

Certification Exam Code Exam Name Duration Pass Score/
Total Score
HCNP-Transmission H31-321-ENU  HCNP-MSTP Transmission 90 min 600/1000

2.H31-321-ENU HCNP-MSTP Transmission Exam Outline
2.1 Exam Content
HCNP-MSTP Transmission exam covers OptiX SDH equipment commissioning, complex networking of OptiX SDH equipment, board replacement of OptiX SDH equipment, discrete service analysis and handling, tests for common Ethernet service indicators, clock protection of OptiX OSN equipment, SDH equipment interconnection, ECC maintenance, pointer justification, routine maintenance of OptiX SDH equipment, troubleshooting OptiX SDH equipment, ASON overview.
Latest H31-321-ENU questions and answers can be found at this blog. Check it now.
2.2 Knowledge Points
OptiX SDH Equipment Commissioning

1.Preparations for Equipment Commissioning
2.Per-NE Commissioning
3.System Commissioning
Complex Networking of OptiX SDH Equipment
1.Tangent Rings
2.Intersecting Rings
3.Shared-Fiber Virtual Path Protection
4.Dual-Plane Optical Transmission Network
Board Replacement of OptiX NG SDH Equipment
1.Board Replacement Overview
2.Replacing Faulty Boards
3.Board Version Replacement
4.Board Capacity Expansion
Discrete Service Analysis and Handling
1.Concepts of Discrete Services and Paths
2.Causes of Discrete Services and Handling Methods
Tests for Common Ethernet Service Indicators
1.Tests for Common Ethernet Services Indicators
2.Common Methods for Testing Ethernet Service Indicators
Clock Protection of OptiX OSN Equipment
1.Concepts of Clock Protection
2.Configuration Principles for Clock Subnetworks
3.Protection by Using the Standard SSM Protocol
4.Protection by Using the Extended SSM Protocol
SDH Equipment Interconnection
1.SDH Port Connection
2.PDH Port Connection
ECC Maintenance
1.ECC Communication Overview
2.ECC Networking and Network Division
3.ECC Extension Applications and Configurations
Pointer Justification
1.Working Principles for Pointer Justification
2.Handling Pointer Justification Events
Routine Maintenance of OptiX SDH Equipment
1.Routine Maintenance on Equipment
2.Routine Maintenance on the NMS
Troubleshooting OptiX SDH Equipment
1.Preparations for Locating Faults on OptiX SDH Equipment
2.Methods for Locating Faults on OptiX SDH Equipment
3.Analyzing Fault Cases of OptiX SDH Equipment
ASON Overview
1.ASON Background
2.ASON Architecture
3.ASON Features
4.ASON Service Provisioning
5.ASON Functions


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