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

  • Exam Code: H12-261_V3.0-ENU
  • Exam Name: HCIE-Routing & Switching (Written) V3.0
  • Updated: Jul 18, 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. NAT64 and DNS64
        • 2. Dual-stack and tunneling technologies
          - IPv6 Routing Protocols
          • 1. OSPFv3 and IS-IS for IPv6
            • 2. BGP4+ and IPv6 interworking
              Topic 2: Multicast Protocols10%- PIM Protocols
              • 1. Rendezvous Point and BSR
                • 2. Multicast VPN and reliability
                  • 3. PIM-DM and PIM-SM
                    - Multicast Fundamentals
                    • 1. Multicast address and forwarding
                      • 2. IGMPv1/v2/v3 and IGMP snooping
                        Topic 3: 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 attributes and path selection
                                • 2. BGP neighbor establishment
                                  • 3. BGP route control and filtering
                                    - Routing Basics
                                    • 1. Static routing and policy routing
                                      • 2. Routing table and forwarding principles
                                        - OSPF
                                        • 1. OSPFv2 principles and configuration
                                          • 2. OSPF optimization and troubleshooting
                                            • 3. LSA types and area design
                                              Topic 4: Network Management & Optimization10%- Troubleshooting methodology
                                              - QoS and traffic scheduling
                                              - SNMP and network monitoring
                                              Topic 5: Advanced Technologies & Security20%- Network Security
                                              • 1. ACL and traffic filtering
                                                • 2. URPF and anti-attack technologies
                                                  • 3. DHCP and ARP security
                                                    - 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
                                                            Topic 6: Layer 2 Technologies20%- Ethernet and VLAN
                                                            • 1. Link aggregation and load balancing
                                                              • 2. VLAN principles and configuration
                                                                • 3. QinQ and VLAN mapping
                                                                  - 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

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

                                                                          1. In a basic network layer data packet, which of the following information can be included? (Multiple choice)

                                                                          A) Data link layer header
                                                                          B) Upper-level data
                                                                          C) Network layer header
                                                                          D) Network layer tail


                                                                          2. You need to configure policy routing on the router to specify that specific traffic is forwarded through an interface.
                                                                          When using policy-based routing, which two types of most typical information can be used to forward traffic along a particular path?

                                                                          A) Source IP address and specific protocols (such as FTP, HTTP, etc.)
                                                                          B) TTL and source IP address of the packet
                                                                          C) Source IP address and Layer 2 source address
                                                                          D) Service type header and message length


                                                                          3. Which of the following descriptions about TTL in the MPLS header are correct? (Multiple choice)

                                                                          A) When copying TTL is prohibited, tracert can see the LSR of the MPLS domain that it passes through
                                                                          B) Can prevent infinite loop forwarding of messages
                                                                          C) MPLS has two ways to deal with TTL. One is to copy the IP TTL value of the TTL of the MPLS header when an IP packet enters the MPLS network; the other is to uniformly set the TTL of the MPLS header to 255 at the ingress LER.
                                                                          D) The processing method of copying the IP TIL value hides the LSR of the MPL S domain and plays a certain security role


                                                                          4. Which of the following statements about IS-IS (IPv6) are correct? (Multiple questions)

                                                                          A) By default, IS-IS enables the multi-topology feature
                                                                          B) IS-IS works at the data link layer and only needs to add a new TLV to support IPv6
                                                                          C) To support the processing and calculation of IPv6 routing, IS-IS has added TLV 232, 236
                                                                          D) In order to support the processing and calculation of IPv6 routing, IS-IS added NLPID in 129TLV


                                                                          5. Regular expressions can be used by Community-iter and AS-path-fliter to define attribute types of route filtering.

                                                                          A) False
                                                                          B) True


                                                                          Solutions:

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

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