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 08, 2026
  • Q & A: 485 Questions and Answers

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

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

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

                                                                          1. If multiple candidate RPs are configured in a certain group of multicasts, which of the following parameters need to be compared between the multiple candidate RPs? (Multiple Choice)

                                                                          A) Group-wide mask length of the C-RP service matching the group address to which the user joins
                                                                          B) IP address of the C-RP interface
                                                                          C) C-RP priority
                                                                          D) Number of the C-RP interface


                                                                          2. In an IPv6 network, two nodes A and B are neighbors each other. If node A sends an NS message to node B, if node B receives a message and then replies the NA message, then checked on node A, what will the neighbor status be marked?

                                                                          A) Probe
                                                                          B) Stale
                                                                          C) Reachable
                                                                          D) Incomplete


                                                                          3. IPv6 introduces Solicited-Node address, which of the following description about the address is correct?

                                                                          A) If the Solicited-Node address is not configured , the router will automatically generate one on each interface.
                                                                          B) This is a specific address, which is used to resolve MAC addresses in ARPV6.
                                                                          C) IPv6 introduces Solicited-Node address to support IPV6 multicast.
                                                                          D) The Solicited-Node address on the router interface is automatically generated, and there can be multiple.


                                                                          4. Single selection After configuring the VLAN-based MAC address drift detection function, if the MAC address drifts, you can configure the actions of the interface according to your needs.
                                                                          Which of the following is not a configurable action?

                                                                          A) Flow filtering
                                                                          B) MAC address blocking
                                                                          C) Send alert
                                                                          D) Interface blocking


                                                                          5. Router A has an IP router with a destination network segment of 10.0.0.1/32 and an outbound interface of Gigabitethernet 0/0/1.
                                                                          Now add the following configuration
                                                                          acl number 2000
                                                                          rule 10 permit source 10. 0.1.1 0
                                                                          traffic classifier test
                                                                          if-match acl 2000
                                                                          traffic behavior test
                                                                          remark dscp cs3
                                                                          traffic policy test
                                                                          classifier test behavior test
                                                                          interface Gigabitethernet0/0/1
                                                                          ip address10.0.12.1255.255.255.0
                                                                          traffic-policy test outbound
                                                                          Suppose Router A receives a packet with a destination IP of 10.0.0.1. The following statements which are correct? (Multiple Choice)

                                                                          A) If the source IP address of the packet is 10.0.0.1, it can be forwarded and the DSCP field is marked as cS3.
                                                                          B) If the source IP address of the packet is 10.0.0.1, it can be forwarded while the DSCP field remains unchanged.
                                                                          C) If the source IP address of the packet is 10.0.0.1, it cannot be forwarded.
                                                                          D) If the source IP address of the packet is 10.0.0.1, it can be forwarded and the DSCP field is marked as CS3.


                                                                          Solutions:

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

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