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Updated: Jul 27, 2026
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Huawei H12-221-ENU Exam Overview:
| Certification Vendor: | Huawei |
| Exam Name: | Huawei Certified ICT Professional - Implementing Enterprise Routing and Switching Network |
| Exam Number: | H12-221-ENU |
| Related Certifications: | HCIA-Routing & Switching HCIE-Routing & Switching |
| Exam Format: | Multiple choice, Multiple response, Drag and drop |
| Available Languages: | English |
| Recommended Training: | Huawei Enterprise Routing & Switching Training |
| Exam Registration: | Huawei Talent Certification Portal |
| Sample Questions: | Huawei H12-221-ENU Sample Questions |
| Exam Way: | Computer-based exam delivered via authorized testing centers or online proctoring depending on region |
| Pre Condition: | HCIA-Routing & Switching certification is recommended or required before taking HCIP-level exams. |
Huawei H12-221-ENU Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: WAN and MPLS Basics | - VPN fundamentals (L2VPN/L3VPN concepts) - MPLS architecture overview |
| Topic 2: Enterprise Network Fundamentals | - TCP/IP model and IP addressing - Network device roles and architecture - IPv4/IPv6 fundamentals |
| Topic 3: Network Security Fundamentals | - Basic device security hardening - ACL configuration and traffic filtering |
| Topic 4: Routing Technologies | - OSPF (single-area and multi-area) - Static routing and policy-based routing - BGP basics and route selection - IS-IS fundamentals |
| Topic 5: LAN Switching Technologies | - EtherChannel / link aggregation - STP/RSTP/MSTP concepts and configuration - VLANs and VLAN implementation |
| Topic 6: IP Services | - NTP and basic network services - NAT/PAT implementation - DHCP configuration and relay |
| Topic 7: Network Management and Troubleshooting | - Network monitoring and diagnostics tools - Basic troubleshooting methodologies |
Huawei HCIP-Routing&Switching-IERS(Huawei Certified ICT Professional-Implementing Enterprise Routing and Switching Network) Sample Questions:
1. Which three types of IP packet transmission methods are available? (Multiple Choice)
A) Unicast
B) Anycast
C) Multicast
D) Broadcasting
2. Regarding the multicast ASM model and the SSM model, which of the following statements are correct? (Multiple Choice)
A) SSM establishes a multicast forwarding tree directly between the receiver and the multicast source.
B) The receiver in the ASM model cannot know the location of the multicast source in advance.
C) SSM and ASM use the same multicast address range
D) The receiver in the SSM model has been unable to know the specific location of the multicast source by other means.
3. IGMPv1 stipulates that when there are multiple routers in the shared network, the IGMP protocol itself selects the querier.
A) True
B) False
4. The most important reason for the BGP protocol being an enhanced distance vector protocol is:
A) The BGP route uses the AS-Path attribute and the list of AS that is recorded in the path of the transmission. In the routing rule, the router with short AS-Path is priority, and the AS-PATH attribute is also checked in IBGP.
B) BGP does not accept routes containing the AS number in the AS-Path attribute.
C) Nexthop is a recognized mandatory attribute of BGP routing.
D) The BGP route uses the As-Path attribute and the list of AS that is recorded in the path of the transmission. In the routing rule, the router with short AS-Path is priority.
5. Which of the following description of AS_PATH is wrong?
A) When there are two or more routes to the same destination in the router, these routes can use this attribute to compare the advantages and disadvantages of each other. The longer the AS_PATH, the higher the priority.
B) AS_PATH is a very important recognized mandatory attribute in BGP.
C) AS_PATH refers to the list of ASs that BGP routes experience in the path of transmission.
D) BGP will not accept routes that contain the AS Number in the AS_PATH attribute.
Solutions:
| Question # 1 Answer: A,C,D | Question # 2 Answer: A,B,D | Question # 3 Answer: B | Question # 4 Answer: D | Question # 5 Answer: A |
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