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Updated: Aug 03, 2026
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Huawei H31-311-ENU Exam Overview:
| Certification Vendor: | Huawei |
| Exam Name: | HCIA-Transmission (Huawei Certified ICT Associate-Transmission) |
| Exam Number: | H31-311-ENU |
| Related Certifications: | H31-341 HCIP-Transmission (Huawei Certified ICT Professional-Transmission) Other HCIA level networking certifications (e.g., HCIA-Access, HCIA-Datacom) |
| Exam Format: | Multiple-choice questions |
| Passing Score: | 600/1000 (approx. pass rate criterion) |
| Available Languages: | English, Chinese |
| Real Exam Qty: | 60 |
| Certificate Validity Period: | 3 years (certification validity and recertification recommended) |
| Exam Price: | USD 200 (approx.) |
| Exam Duration: | 90 minutes |
| Sample Questions: | Huawei H31-311-ENU Sample Questions |
| Exam Way: | Written proctored exam offered via Huawei official exam delivery partners such as Pearson VUE or authorized test centers |
| Pre Condition: | No formal prerequisites; recommended foundational network knowledge for entry-level transmission engineers |
| Official Syllabus URL: | https://e.huawei.com/en/talent/cert/ict_associate |
Huawei H31-311-ENU Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| SDH, WDM, OTN and Ethernet Technologies | - Ethernet Service Fundamentals
|
| Transmission Network Products & NMS | - Transmission Equipment Configuration
|
| Routine Maintenance and Troubleshooting | - Routine Operations
|
| Optical Transmission Network Fundamentals | - Basic Optical Communications Technology
|
Huawei HCIA-Transmission(Huawei Certified ICT Associate-Transmission) Sample Questions:
1. The SP3D board supports 63 E1 services.
A) FALSE
B) TRUE
2. When the transmit end detects that the b6-b8 of the K2 byte is 110, it indicates that the () alarm is reported at the transmit end.
A) R-LOF
B) R-LOS
C) MS-AIS
D) MS-RDI
3. Which of the following is not the northbound interface provided by the U2000?
A) XML
B) CORBA
C) SNMP
D) Qx
4. The standard Ethernet frame length should not be less than 64 bytes.
Which of the following factors cause this limitation? (Multiple Choice)
A) MAC address
B) Minimum transmission distance
C) Working mechanism of conflict detection
D) Maximum transmission distance
5. The 1310 nm and 1550 nm transmission windows are low-loss windows. In DWDM systems, only the 1550 nm transmission window is used.
Which of the following is the major cause?
A) The working wavelength flatness area of the EDFA is included in this window.
B) None of the above
C) The 1550 nm wavelength area is applicable to long-haul transmission.
D) The non-linear effect of the 1550 nm wavelength area is small.
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: D | Question # 3 Answer: D | Question # 4 Answer: C,D | Question # 5 Answer: A |
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