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: Aug 03, 2026
  • Q & A: 485 Questions and Answers

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

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

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

                                                                          1. What are the wrong statements about OSPF Router LSA and Network LSA? (Multiple questions)

                                                                          A) Routers running OSPF must generate Router LSA
                                                                          B) Routers running OSPF must generate Network LSA
                                                                          C) Router LSA and Network LSA must exist in the OSPF network at the same time
                                                                          D) Network LSA carries both topology and routing information


                                                                          2. There is a new HW office that needs to use their router as a DHCP server.
                                                                          When configuring the DHCP server to provide DHCP services for the current office, which of the following items need to be configured? (Multiple Choice)

                                                                          A) Configure the startup file of the DHCP server
                                                                          B) Configure manual binding
                                                                          C) Configure the timeout period of ping packets
                                                                          D) Exclude unused IP addresses from the DHCP server
                                                                          E) Configure DHCP address pool


                                                                          3. What is the command to configure VRRP preemption delay?

                                                                          A) vrrp vrid 1 preempt-timer 20
                                                                          B) vrrp vrid 1 preempt-mode timer delay 20
                                                                          C) vrrp vrid 1 timer delay 20
                                                                          D) vrrp vrid 1 preempt-delay 20


                                                                          4. Which of the following BGP attributes are not required to be included in the Update message of BGP routing? (Multiple choice)

                                                                          A) Local-Preference
                                                                          B) Origin
                                                                          C) MED
                                                                          D) AS_PATH


                                                                          5. Which of the following description about configuring BGP4+ is correct? (Multiple choice)

                                                                          A) When BGP4+ configures a reflector, the roles of the reflector and the client must be consistent with the configuration of BGP4.
                                                                          B) BGP4+ does not support route reflectors.
                                                                          C) BGP4+ must use the Link-Local address when specifying the peer
                                                                          D) The BGP4+ router-ID is the same as the BGP4 router-ID.
                                                                          E) The next hop of the BGP4+ route does not use the Link-Local address.


                                                                          Solutions:

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

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