Try and practice the latest Huawei : H12-221 real questions & answers
Updated: Sep 19, 2026
No. of Questions: 225 Questions & Answers with Testing Engine
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Preparation Guide for H12-221 Exam
Huawei HCIP Routing & Switching H12-221 Exam
Huawei HCIP Routing & Switching H12-221 Exam endorses aspirant's comprehensive and thorough understanding of small and medium-sized networks, including general network technologies, and the ability to design small and medium-sized networks independently and implement the designs using Huawei routing and switching devices
Reference: http://support.huawei.com/learning/Certificate!toExamOutlineDetail?lang=en&nodeId=Node1000003918
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Huawei H12-221 Exam Overview:
| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCIP-Routing & Switching-IERS / HCNP-R&S-IERN (Implementing Enterprise Routing Network) |
| Exam Number: | H12-221 |
| Certificate Validity Period: | 3 years |
| Available Languages: | Spanish, Chinese, French, English |
| Exam Format: | Single-choice, Scenario-based questions, Multiple-choice |
| Related Certifications: | HCIP-Routing & Switching-IENP (H12-222) HCIP-Routing & Switching-IEEP (H12-223) |
| Exam Price: | 160-200 USD |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | 60-70 |
| Passing Score: | 600/1000 |
| Recommended Training: | Huawei Official Training |
| Exam Registration: | Huawei Talent Official Pearson VUE Registration |
| Sample Questions: | Huawei H12-221 Sample Questions |
| Exam Way: | Online proctored or Onsite at authorized Pearson VUE test centers |
| Pre Condition: | No mandatory prerequisites; Huawei HCIA-Routing & Switching (H12-211) recommended |
| Official Syllabus URL: | https://e.huawei.com/en/talent/certification |
H12-221 Exam topics
Candidates must know the exam topics before they start of preparation. Because it will really help them in hitting the core. Our H12-221 exam dumps will include the following topics:
1. OSPF Routing Protocols (28%)
- OSPF principles, configuration, and implementation: neighbor and adjacency,protocol packet and LSA, database synchronization, intra-area route calculation, inter-area route calculation, and external route calculation
- Basic principles of link state routing protocols
- Principles and configuration of OSPF special areas: stub area, totally stub area, and not-so-stubby area (NSSA)
2. ISIS Routing Protocols (4%)
- ISIS basic principles and configurations
- Differences between IS-IS and OSPF
_3. BGP Routing Protocols(26%%)
- Common BGP attributes
- BGP route advertisement rules
- BGP route generation modes
- BGP route selection rules
- BGP neighbor relationship establishment and configuration
4. Routing Control(14%)
- Routing policy tools and policy-based routing tools
- Route filtering by using filtering tools such as ACL, IP-prefix
- Problems caused by route importing and solutions
5. Multicast Protocols(16%)
- Basic principles and configuration of PIM-DM and PIM-SM
- Basic principles and configuration of IGMPv1/v2/v3 and IGMP snooping
6. Eth-Trunk Technology(3%)
- Eth-Trunk configuration
- Eth-Trunk modes
7. Advanced Features of Switches(2%)
- Port Security: application scenario and configuration
- Port Isolation: application scenario and configuration
- MUX VLAN: application scenario and configuration
8. RSTP/MSTP(7%)
- Limitations of STP, improvements in RSTP, RSTP configuration
- Limitations of a single spanning Tree, MSTP principles and configuration
Huawei H12-221 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| IS-IS Routing Protocols | 4% | - Comparison and differences between IS-IS and OSPF - Basic principles and protocol operation - IS-IS configuration and route calculation |
| Routing Control | 14% | - Route-policy and policy-based routing - Route redistribution and troubleshooting - Route filtering: ACL, IP-prefix list, filter-policy |
| Layer 2 Technologies | 12% | - Advanced switch features and reliability - Eth-Trunk technology and load balancing - RSTP and MSTP principles and configuration |
| IP Multicast Protocols | 16% | - Multicast principles and addressing - IGMPv1/v2/v3 and IGMP Snooping - PIM-DM and PIM-SM operation and configuration |
| BGP Routing Protocols | 26% | - Common BGP attributes and path selection rules - BGP configuration, policy control and optimization - BGP features and neighbor establishment - BGP route generation and advertisement rules |
| OSPF Routing Protocols | 28% | - OSPF packet types, LSA types and database synchronization - OSPF special areas: Stub, Totally Stub, NSSA - Neighbor/adjacency formation and route calculation - Configuration, optimization and troubleshooting - Basic principles of link-state routing protocols |
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