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

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

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

                                                                          1. The IS-IS neighbor between R3 and R1 is not established. According to the information in this figure, what is the possible cause?

                                                                          A) The System ID of R3 and R1 are duplicated
                                                                          B) IS-Levels of R3 and R1 do not match
                                                                          C) IH certification of R3 and R1 failed
                                                                          D) The circuit-type of the interconnection interface between R3 and R1 does not match


                                                                          2. What is the relationship between CIR, BC and TC?

                                                                          A) CIR=BE/TC
                                                                          B) CIR=TC/BC
                                                                          C) TC=BC/CIR
                                                                          D) TC=CIR/BC


                                                                          3. Which of the following descriptions about MP-BGP is wrong?

                                                                          A) The MP_UNREACH_NLRI of the update message does not contain the path attribute.
                                                                          B) A complete MP_REACH_NLRI attribute structure contains address family, next hop and previous level information.
                                                                          C) MP-BGP can be used to distribute labels.
                                                                          D) MP_REACH_NLRI and MP_UNREACIH_NLRI are optional transitional attributes.


                                                                          4. Which of the following advanced features does BGP EVPN support?

                                                                          A) ARP broadcast suppression
                                                                          B) VRRP over VXLAN
                                                                          C) Multi-live gateway
                                                                          D) VXLAN Qos


                                                                          5. Which of the following statements about OSPF and IS-IS is wrong?

                                                                          A) Both OSPF and IS-IS are link state protocols
                                                                          B) Both OSPF and IS-IS use Hello messages to establish and maintain neighbor relationships
                                                                          C) Both OSPF and IS-IS support area division
                                                                          D) Both DR and BDR need to be elected in the broadcast network


                                                                          Solutions:

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

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