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Updated: Aug 26, 2026
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Huawei H12-821_V1.0 Exam Overview:
| Certification Vendor: | Huawei |
| Exam Name: | HCIP-Datacom-Core Technology V1.0 |
| Exam Number: | H12-821_V1.0 |
| Exam Format: | Single-choice, Multiple-choice, True/false, Fill-in-the-blank, Drag-and-drop |
| Related Certifications: | HCIP-Datacom-Advanced Routing & Switching Technology V1.0 HCIA-Datacom |
| Certificate Validity Period: | 3 years |
| Exam Price: | 300 USD |
| Passing Score: | 600/1000 |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | 60 |
| Available Languages: | English, Chinese, Japanese |
| Recommended Training: | Huawei Official HCIP-Datacom Training |
| Exam Registration: | Pearson VUE Registration |
| Sample Questions: | Huawei H12-821_V1.0 Sample Questions |
| Exam Way: | Online proctored or onsite testing at Pearson VUE centers |
| Pre Condition: | Recommended to have HCIA-Datacom certification or equivalent knowledge and 1–2 years of network engineering experience |
| Official Syllabus URL: | https://e.huawei.com/en/talent/certification/exam/h12-821_v1.0 |
Huawei H12-821_V1.0 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Network Service and Management | 5% | - DHCP and DNS services - Network management and monitoring |
| Ethernet Switching Technologies | 7% | - VLAN principles and configuration - Spanning Tree Protocol - Link aggregation and stack technology |
| BGP Fundamentals | 17% | - BGP route attributes and selection - BGP characteristics and working principles - BGP configuration and policy application |
| IS-IS Fundamentals | 8% | - IS-IS protocol principles - IS-IS configuration and deployment |
| Multicast Technologies | 9% | - IGMP protocol - Multicast basic concepts - PIM protocol |
| Network Security | 8% | - Attack defense and security policy - ACL and packet filtering - AAA authentication |
| Routing Basics | 3% | - Routing table composition and selection rules - Routing concepts and classification |
| WLAN Basics | 2% | - WLAN technology principles - WLAN deployment and optimization |
| IPv6 Technologies | 3% | - IPv6 routing protocols - IPv6 address structure and configuration |
| Network Solutions and Design | 5% | - Typical network architecture and solution - Enterprise network design principles |
| OSPF Fundamentals | 16% | - OSPF principles and operation mechanisms - OSPF configuration and optimization - OSPF special applications and troubleshooting |
| Routing and Traffic Control | 10% | - Route import and redistribution - Routing policy and filtering - Policy-based routing |
| Network Reliability | 7% | - VRRP protocol - BFD technology - Device redundancy and link backup |
Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions:
1. OSPF networks are classified into four types of networks by link layer protocol. Drag the following link layer protocols to the corresponding network types.(Token is reusable)
2. Which of the following parameters are compared during designated port election on an STP network?
A) Local BID and local PID
B) Peer PID and local PID
C) RPC
D) Peer BID
3. As a next-generation wireless technology, Wi-Fi 6 greatly improves bandwidth rate and performance. Which of the following statements is false about the features of Wi-Fi 6?
A) Provides high bandwidth, up to 9.6 Gbps.
B) Realizes zero latency, ensuring efficient service running.
C) Uses OFDMA technology to achieve high concurrency.
D) Uses TWT technology to reduce terminal power consumption.
4. Which command is used to configure the VRRP preemption delay?
A) vrrp vrid 1 preempt-mode timer delay 20
B) vrrp vrid 1 preempt-delay 20
C) vrrp vrid 1 timer delay 20
D) vrrp vrid 1 preempt-timer 20
5. OSPF supports area authentication and interface authentication. If both authentication modes are configured, Interface authentication takes preference over area authentication.
A) FALSE
B) TRUE
Solutions:
| Question # 1 Answer: Only visible for members | Question # 2 Answer: C,D | Question # 3 Answer: B | Question # 4 Answer: B | Question # 5 Answer: B |
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