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Exam Code: H31-321

Exam Name: HCNP-MSTP Transmission

Updated: Sep 13, 2026

Number: 140 Q&As with Testing Engine

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Huawei H31-321 Exam Syllabus Topics:

Topic	Details
Topic 1	Routine Maintenance of OptiX SDH Equipment
Topic 2	Dual-Plane Optical Transmission Network
Topic 3	Protection by Using the Standard SSM Protocol
Topic 4	Troubleshooting OptiX SDH Equipment

Reference: http://support.huawei.com/learning/Certificate!toExamOutlineDetail?nodeId=Node1000006044&lang=en

Huawei H31-321 Exam Overview:

Certification Vendor:	Huawei
Exam Name:	HCNP-MSTP Transmission
Exam Number:	H31-321
Real Exam Qty:	140
Exam Format:	Simulation/Scenario Based, Multiple Choice
Exam Duration:	90 minutes
Passing Score:	600 out of 1000 (approx.)
Certificate Validity Period:	No fixed expiry; may require recertification based on Huawei policy
Exam Price:	USD 200-300 (region-dependent)
Available Languages:	English, Chinese
Related Certifications:	Huawei Certified Network Professional-Transmission (HCNP-Transmission) Huawei Certified ICT Professional (HCIP-Transmission)
Sample Questions:	Huawei H31-321 Sample Questions
Exam Way:	Delivered via Huawei Authorized Testing Centers and online proctoring options as available.
Pre Condition:	No formal prerequisites; recommended experience with Huawei MSTP products and transport network technologies.
Official Syllabus URL:	https://e.huawei.com/en/talent/cert/

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