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

H12-261_V3.0-ENU real exams

Exam Code: H12-261_V3.0-ENU

Exam Name: HCIE-Routing & Switching (Written) V3.0

Updated: Jul 23, 2026

Q & A: 485 Questions and Answers

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

SectionWeightObjectives
Topic 1: IPv4 Unicast Routing25%- OSPF
  • 1. LSA types and area design
    • 2. OSPFv2 principles and configuration
      • 3. OSPF optimization and troubleshooting
        - IS-IS
        • 1. Level-1/Level-2 routing
          • 2. IS-IS protocol mechanism
            • 3. IS-IS and OSPF comparison
              - BGP
              • 1. BGP attributes and path selection
                • 2. BGP neighbor establishment
                  • 3. BGP route control and filtering
                    - Routing Basics
                    • 1. Routing table and forwarding principles
                      • 2. Static routing and policy routing
                        Topic 2: Layer 2 Technologies20%- Ethernet and VLAN
                        • 1. VLAN principles and configuration
                          • 2. QinQ and VLAN mapping
                            • 3. Link aggregation and load balancing
                              - High Reliability Technologies
                              • 1. RRPP and ERPS
                                • 2. Smart Link and Monitor Link
                                  - Spanning Tree Protocols
                                  • 1. STP/RSTP/MSTP principles and configuration
                                    • 2. STP protection mechanisms
                                      Topic 3: Multicast Protocols10%- Multicast Fundamentals
                                      • 1. Multicast address and forwarding
                                        • 2. IGMPv1/v2/v3 and IGMP snooping
                                          - PIM Protocols
                                          • 1. Rendezvous Point and BSR
                                            • 2. PIM-DM and PIM-SM
                                              • 3. Multicast VPN and reliability
                                                Topic 4: IPv6 Technologies15%- IPv6 Basics
                                                • 1. ICMPv6 and neighbor discovery
                                                  • 2. IPv6 address structure and types
                                                    - IPv6 Routing Protocols
                                                    • 1. BGP4+ and IPv6 interworking
                                                      • 2. OSPFv3 and IS-IS for IPv6
                                                        - IPv6 Transition
                                                        • 1. NAT64 and DNS64
                                                          • 2. Dual-stack and tunneling technologies
                                                            Topic 5: Network Management & Optimization10%- SNMP and network monitoring
                                                            - QoS and traffic scheduling
                                                            - Troubleshooting methodology
                                                            Topic 6: Advanced Technologies & Security20%- Route Control
                                                            • 1. Filter-policy and route-policy
                                                              • 2. Import and export routing control
                                                                - High Availability
                                                                • 1. VRRP principles and deployment
                                                                  • 2. BFD and link detection
                                                                    - Network Security
                                                                    • 1. URPF and anti-attack technologies
                                                                      • 2. ACL and traffic filtering
                                                                        • 3. DHCP and ARP security

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

                                                                          1. You expect to deploy multicast video applications on your private, internal network. In order to achieve this goal, you need to use private multicast IP addresses in your network. So which range of IP addresses can be used?

                                                                          A) 226.0.0.0-226.255.255.255
                                                                          B) 241.0.0.0-241.255.255.255
                                                                          C) 239.0.0.0-239.255.255.255
                                                                          D) 240.0.0.0-240.255.255.255
                                                                          E) 224.0.0.0-224.255.255.255


                                                                          2. Generally, VPN users can only communicate with each other, not communicate with Internet users, cannot access the Internet. But VPR respective site may have access to the need of Internet. Which of the following description about VPN and Internet implementations is correct? (Multiple choice)

                                                                          A) Implemented on the user side, directly connect the CE to the Internet. Each user site can be individually connected to the Internet. That is, the CE of each site is configured to the default route of the Internet.
                                                                          B) Implemented on PE. The PE device sends a default route to the Internet to the CE, and adds a default route to the VPN instance routing table to point to the Internet gateway.
                                                                          C) It is implemented on the user side, the implementation method is simple, the public network and the private network route are isolated, and it is safe and reliable.
                                                                          D) In the PE, realization is complex, and there are security risks, PE equipment may be subject to Internet of Dos political strike.


                                                                          3. Compared with the OSPFv2 message header, what fields are added in the OSPFv3 message header?

                                                                          A) Instance ID
                                                                          B) IPv6 Auth Type
                                                                          C) IPv6 Router ID
                                                                          D) Link ID


                                                                          4. LDP messages are exchanged between LSRs running the LDP protocol. LDP messages can be divided into four types according to their functions. Which of the following is not an LDP message type?

                                                                          A) Label exchange messages
                                                                          B) Discovery
                                                                          C) Conversation message
                                                                          D) Announcement


                                                                          5. An engineer uses two routers to test IPv6 services and simulates the interconnection between headquarters and branches by running BGP4+.
                                                                          as the picture shows. An engineer captures the packet to view the Update message sent by R1.

                                                                          Description of the message information. Which of the following statements is correct?

                                                                          A) Content to be added
                                                                          B) The message describes the currently revoked IPv6 route
                                                                          C) The next hop address of the route described in this message is: 2001:db8:2345:1::1
                                                                          D) The route described by the message may be imported through import


                                                                          Solutions:

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

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