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Instant Download Huawei : H12-221-ENU Questions & Answers as PDF & Test Engine
- Exam Code: H12-221-ENU
- Exam Name: HCIP-Routing&Switching-IERS(Huawei Certified ICT Professional-Implementing Enterprise Routing and Switching Network)
- Updated: Aug 04, 2026
- No. of Questions: 597 Questions and Answers
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Huawei H12-221-ENU Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| IPv6 Technologies | - IPv6 Fundamentals
|
| Enterprise Network Architecture and Design | - Network Planning and Design
|
| Network Security | - Security Fundamentals
|
| Network Maintenance and Troubleshooting | - Operations and Maintenance
|
| Routing Technologies | - IS-IS
|
| Switching Technologies | - Link Aggregation
|
| IP Multicast | - Multicast Technologies
|
Huawei HCIP-Routing&Switching-IERS(Huawei Certified ICT Professional-Implementing Enterprise Routing and Switching Network) Sample Questions:
1. What is the default hello interval sent by DIS in the broadcast type network?
A) 10s
B) 5s
C) 40s
D) 3.3S
2. Which of the following description about LSA3, LSA4, and LSA5 is correct?
A) LSA4 will not change after crossing different areas; LSA3 and LSA5 will change.
B) LSA3, LSA4, and LSA5 do not change after crossing different areas.
C) LSA3 will not change after crossing different areas; LSA4 and LSA5 will change.
D) LSA5 will not change after crossing different areas; LSA3 and LSA4 will change.
3. Which description is wrong about BGP Keepalive message?
A) Keepalive messages consist of only one BGP data header.
B) By default, the keepalive interval is 180s.
C) Keepalive messages are mainly used for the running status of peer routers and the availability confirmation of links.
D) Keepalive is periodically sent between two BGP neighbors.
4. As shown in the figure, the router ASBR1 (Router ID: 100.0.0.22) imports a RIP route 10.0.0.0/24. The LSDB of the router RT1 has the ASE LSA with the LS IS of 10.0.0.0 generated by ASBR1. However, the routing table of RT1 does not have a corresponding route. What are the possible reasons for the error? (Multiple Choice)
A) Router ASBR3 does not generate ASBR SUMMARY LSA with LSID 100.0.0.22 to Area 1.
B) Router ASBR1 does not generate ASBR SUMMARY LSA with LSID 100.0.0.22 to Area 0.
C) Router ASBR2 does not generate ASBR SUMMARY LSA with LSID 100.0.0.22 to area 0.
D) Router RT1 does not have an OSPF External (ASE) route to the forwarding address 100.1.1.9.
E) Router ASBR1 does not generate ASBR SUMMARY LSA with LSID 100.0.0.22 to Area 2.
F) Router RT1 does not have an OSPF inter-area route to the forwarding address 100.1.1.9.
5. AS border router can be an internal router IR or ABR and must belong to the backbone area.
A) FALSE
B) TRUE
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: D | Question # 3 Answer: B | Question # 4 Answer: A,B,F | Question # 5 Answer: A |
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