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

  • Exam Code: H12-261_V3.0-ENU
  • Exam Name: HCIE-Routing & Switching (Written) V3.0
  • Updated: Sep 02, 2026     Q & A: 485 Questions and Answers

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

SectionObjectives
Advanced IP Network Design- IPv4/IPv6 deployment planning
  • 1. Addressing design and migration strategies
    • 2. Dual-stack deployment
      - Enterprise network architecture design
      • 1. Hierarchical network design principles
        • 2. Scalability and redundancy design
          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
                Network Optimization and Troubleshooting- Performance optimization
                • 1. QoS mechanisms and traffic engineering
                  - Fault diagnosis
                  • 1. Routing convergence issues
                    • 2. Protocol troubleshooting methodologies
                      MPLS and VPN Technologies- MPLS architecture
                      • 1. Label distribution and forwarding
                        - VPN implementations
                        • 1. L2VPN and VPLS concepts
                          • 2. L3VPN design and deployment
                            Routing Protocols and Technologies- IGP protocols
                            • 1. IS-IS fundamentals and tuning
                              • 2. OSPF advanced features and optimization
                                - EGP protocols
                                • 1. Route reflection and confederation
                                  • 2. BGP policy control and optimization

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

                                    Question 1

                                    By default, the switch configures the MAC address table to be empty. Host A connected to the switch sends the first unicast data frame. What operation will the switch perform after receiving the data frame?

                                    A. The switch forwards the data frame out of an interface according to the destination MAC address of the data frame.
                                    B. The switch records the source MAC address of the data frame and floods the data frame.
                                    C. The switch will discard the data frame
                                    D. The switch caches the data frame and waits for the destination host to send the data frame and then forward it.


                                    Question 2

                                    How does the IGMPv2 router maintain the network segment group membership? (Multiple choice)

                                    A. The router maintains a timeout timer for each group membership, refreshes the timer if it receives the receiver host, and deletes the group membership if the timer expires
                                    B. The router periodically sends Query messages. The receiver host reports the Report message after receiving the Query message.
                                    C. The router will query a specific group
                                    D. After receiving the leave message, the router immediately deletes the group membership


                                    Question 3

                                    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. False
                                    B. True


                                    Question 4

                                    Which layers are shared in the OSI reference model and the TCP/IP model? (Multiple Choice)

                                    A. Session layer
                                    B. Application layer
                                    C. Transport layer
                                    D. Expression layer
                                    E. Data link layer


                                    Question 5

                                    The OSPF protocol is running on a company network. To understand the OSPF mechanism to perform packet capture operations on the network, which of the following description about the OSPF packet is correct? (Multiple Choice)

                                    A. LS Update message synchronizes the link state database by sending detailed LSA information.
                                    B. Sending Hello packets immediately after the interface joins the OSPF area.
                                    C. The LS Update message is sent only when the adjacency is established.
                                    D. After receiving the LS Update message, the router must send LS Ack to confirm.


                                    Solutions:

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

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