HCIE-Routing & Switching (Written) V3.0: H12-261_V3.0-ENU Exam

"HCIE-Routing & Switching (Written) V3.0", also known as H12-261_V3.0-ENU exam, is a Huawei Certification. With the complete collection of questions and answers, ExamcollectionPass has assembled to take you through 485 Q&As to your H12-261_V3.0-ENU Exam preparation. In the H12-261_V3.0-ENU exam resources, you will cover every field and category in HCIE-R&S Certification helping to ready you for your successful Huawei Certification.

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  • Exam Code: H12-261_V3.0-ENU
  • Exam Name: HCIE-Routing & Switching (Written) V3.0
  • Certification Provider: Huawei
  • Corresponding Certification: HCIE-R&S
  • Updated: Aug 06, 2026
  • No. of Questions: 485 Questions & Answers with Testing Engine
  • Download Limit: Unlimited

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Huawei H12-261_V3.0-ENU Exam Syllabus Topics:

SectionObjectives
Topic 1: Routing Protocols and Technologies- EGP protocols
  • 1. BGP policy control and optimization
    • 2. Route reflection and confederation
      - IGP protocols
      • 1. IS-IS fundamentals and tuning
        • 2. OSPF advanced features and optimization
          Topic 2: Advanced IP Network Design- IPv4/IPv6 deployment planning
          • 1. Dual-stack deployment
            • 2. Addressing design and migration strategies
              - Enterprise network architecture design
              • 1. Hierarchical network design principles
                • 2. Scalability and redundancy design
                  Topic 3: Network Services and Security- Network services
                  • 1. DHCP, NAT, and multicast
                    - Network security
                    • 1. ACLs and traffic filtering
                      • 2. Device hardening and control plane protection
                        Topic 4: MPLS and VPN Technologies- VPN implementations
                        • 1. L3VPN design and deployment
                          • 2. L2VPN and VPLS concepts
                            - MPLS architecture
                            • 1. Label distribution and forwarding
                              Topic 5: Network Optimization and Troubleshooting- Fault diagnosis
                              • 1. Routing convergence issues
                                • 2. Protocol troubleshooting methodologies
                                  - Performance optimization
                                  • 1. QoS mechanisms and traffic engineering

                                    Huawei HCIE-Routing & Switching (Written) V3.0 Sample Questions:

                                    1. ISIS will elect DIS in the broadcast multi-access network. Which of the following statement about DIS is correct? (Multiple Choice)

                                    A) ISIS elects the DIS by comparing the priorities and compares the MAC addresses if the priorities are the same.
                                    B) DIS supports the preemption function. After the new DIS preemption is successful, you do not need to flood any LSP packets.
                                    C) DIS guarantees database synchronization by periodically sending CSNP messages
                                    D) In a broadcast multi-access network, the DIS sends Hello PDUs three times as often.


                                    2. What parameters can the DHCPv6 server assign to the DHCPv6 client? (Multiple choice)

                                    A) DNS server address
                                    B) SNTP server address
                                    C) IPv6 address prefix
                                    D) Gateway address


                                    3. The data result of a certain router is as shown in the figure below. According to this analysis, which conclusion is correct?

                                    A) R3 is a Level-1 and Level-2 DIS on the link where Eth0/0/0 is located.
                                    B) The GE0/0/0 port of R3 and the neighbor are in different areas.
                                    C) The circuit-level of Eth0/0/1 of the R3 router is Level-1-2.
                                    D) Eth0/0/1 of the R3 router is enabled with both IPv4 and IPv6 ISIS.


                                    4. In an MPLS VPN network, different CE devices can exchange routing information with the same PE device using different routing protocols. The routing protocols used between different CE devices and the same device are independent of each other.

                                    A) True
                                    B) False


                                    5. There is the concept of FEC-Forwarding Equivalence Class in MPLS, so on which of the following standards cannot FEC be allocated based?

                                    A) Application Protocol
                                    B) Destination Address
                                    C) Fragment offset
                                    D) Class of Service


                                    Solutions:

                                    Question # 1
                                    Answer: A,C,D
                                    Question # 2
                                    Answer: A,B,C
                                    Question # 3
                                    Answer: C
                                    Question # 4
                                    Answer: A
                                    Question # 5
                                    Answer: C

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