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Updated: Oct 22, 2026
No. of Questions: 195 Questions & Answers with Testing Engine
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Huawei H31-421-ENU Exam Overview:
| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCIP-LTE Radio Network Planning and Optimization |
| Exam Number: | H31-421-ENU |
| Related Certifications: | HCIA-LTE HCIE-LTE |
| Passing Score: | 600/1000 |
| Exam Format: | True or False, Multiple-answer, Single-answer |
| Real Exam Qty: | 60 |
| Exam Price: | 300 USD |
| Exam Duration: | 90 minutes |
| Available Languages: | English, Chinese |
| Certificate Validity Period: | 3 years |
| Recommended Training: | Huawei Official HCIP-LTE Training |
| Exam Registration: | Huawei Talent Certification Portal Pearson VUE Registration |
| Sample Questions: | Huawei H31-421-ENU Sample Questions |
| Exam Way: | Written proctored exam; available at Pearson VUE authorized centers and online proctoring where supported |
| Pre Condition: | Recommended: HCIA-LTE certification or equivalent foundational knowledge of LTE principles and mobile networks |
| Official Syllabus URL: | https://e.huawei.com/en/talent/cert/ |
Huawei H31-421-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| LTE Advanced Troubleshooting & Optimization | 30% | - Fault Diagnosis
|
| eNodeB Configuration and Maintenance | 13% | - Operation and Maintenance
|
| LTE Signaling and Protocols | 27% | - Protocol Architecture
|
| LTE Air Interface | 30% | - Physical Layer Principles
|
Huawei HCIP-LTE (Huawei Certified ICT Professional-LTE) Sample Questions:
Which of the following is NAS signaling? (Multiple Choice)
- A. Service request
- B. Authentication request
- C. Measurement report
- D. Attach request
Correct Answer: A,B,D 🗳️
How many preamble signature are available in each cell in the LTE?
- A. 12
- B. 16
- C. 1200
- D. 64
Correct Answer: D 🗳️
Which route types can be configured when using the ADD ADDRT command to configure a route? (Multiple choice)
- A. Host routing
- B. Direct routing
- C. Segment routing
- D. Default default route
Correct Answer: A,C,D 🗳️
How many remote maintenance channels can be added in a base station?
- A. 4
- B. 2
- C. 3
- D. 1
Correct Answer: B 🗳️
One slot size of the FDD-LTE frame structure is 0.5 ms.
- A. True
- B. False
Correct Answer: A 🗳️
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