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

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

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

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

                                                                          1. Regarding the BGP route reflection, which of the following descriptions are correct? (Multiple Choice)

                                                                          A) Cluster_List is an optional non-transitional attribute, used for ring prevention within a cluster.
                                                                          B) a network is divided into a plurality of bone reflected ten clusters, each RR will further RR arranged non-clients, each RR is established between IBGP fully meshed.
                                                                          C) The Originator_JD attribute is generated by the route reflector (RR), which is used to prevent loops between clusters.
                                                                          D) The route learned from the client is advertised to all non-clients and clients of this RR.


                                                                          2. In the OSPF broadcast network, there are 4 routers RTA, RTB, RTC, and RTD in the same network segment. The DR priorities are 2, 1, 1, and 0 respectively, and the router IDs are 192.168.1.1 and 192.168.2.1, 192.168.3.1 and 1924.1 respectively.
                                                                          If the OSPF protocol is enabled on the 4 routers at the same time, the BDR selected by OSPF is _____.

                                                                          A) RTA
                                                                          B) RTB
                                                                          C) RTD
                                                                          D) RTC


                                                                          3. When the ABR is NSSA region of the 5/7 type LSA when changing dedicated router, then the ABR can 7 classes LSA converted from 5 classes LSA polymerization.

                                                                          A) True
                                                                          B) False


                                                                          4. The routing tools that are not only used for the BGP routing protocol are _______. (Multiple choice)

                                                                          A) community-filter
                                                                          B) IP-Prefix
                                                                          C) ACL
                                                                          D) as-path-filter


                                                                          5. As shown in the figure, all interfaces of the router enable OSPF. Which of the following statements is correct?

                                                                          A) Type3 LSA generated by R6 in area 0 contains 10.0.2.2/32 routing information. Type3 LSA 1 will not be generated. Type3 LSA generated in area 1 contains 10.0.2.2/32 routing information.
                                                                          B) Type3 LSA generated by R4 in area 1 contains 10.0.2.2/32 routing information
                                                                          C) R3 in the area
                                                                          D) R5 in the area


                                                                          Solutions:

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

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