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Huawei H12-261_V3.0-ENU

H12-261_V3.0-ENU

Exam Code: H12-261_V3.0-ENU

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

Updated: Aug 04, 2026

Q&A Number: 485 Q&As

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

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

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

                                                                          1. Which of the following scenarios does not need to use RPF detection?

                                                                          A) When receiving a pruning message in PIM SM
                                                                          B) When establishing a shared tree to the RP in PIM SM
                                                                          C) When the router in PIM SM receives the multicast data stream
                                                                          D) When the RP in the PIM SM establishes a source tree to the multicast source


                                                                          2. As shown in the figure, R1, R2, and R3 run OSPF at the same time and announce their respective loopbacks. Which of the following description is wrong?

                                                                          A) You can use the filter-policy export command to filter the loopback route of R3 in R2.
                                                                          B) You can use the filter-policy import command to filter the loopback route of R3 in R1.
                                                                          C) You can use the filter import command to filter the loopback route of R3 in Area0.
                                                                          D) You can use the filter export command to filter the loopback route of R3 in R2.


                                                                          3. BGP 4+ runs between the two routers. The neighbor relationship is normal. However, the BGP routing table of the local router does not have neighbor's routing entry. What is the possible reason? (Multiple Choice)

                                                                          A) Active-route-advertise configured on the peer
                                                                          B) Peer ignore configured on the peer
                                                                          C) The routing entries of the peer BGP routing table are non-optimal.
                                                                          D) The next hop address of the BGP routing entry is unreachable.


                                                                          4. Which of the following parameters are modified, and then the IS-IS neighbor relationship needs to be re-established? (Multiple choice)

                                                                          A) Modify the IP address of the IS-IS interface
                                                                          B) Modify the cost value of the IS-IS interface
                                                                          C) Modify the IH transmission interval of the IS-IS interface
                                                                          D) Modify the level of the IS-IS interface


                                                                          5. VRRP priority cannot be set to 0, so the device which send VRRP packets of priority 0 will stop adding VRRP backup group, and inform the backup device immediately become a Master device, without waiting for Master_Down_Interval timer expires.

                                                                          A) False
                                                                          B) True


                                                                          Solutions:

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

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