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

H12-261_V3.0-ENU Exam Simulator
  • Exam Code: H12-261_V3.0-ENU
  • Exam Name: HCIE-Routing & Switching (Written) V3.0
  • Updated: Aug 06, 2026
  • Q & A: 485 Questions and Answers
  • Huawei H12-261_V3.0-ENU Q&A - in .pdf

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

SectionWeightObjectives
Topic 1: Advanced Technologies & Security20%- 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
          - Network Security
          • 1. DHCP and ARP security
            • 2. ACL and traffic filtering
              • 3. URPF and anti-attack technologies
                Topic 2: Network Management & Optimization10%- SNMP and network monitoring
                - QoS and traffic scheduling
                - Troubleshooting methodology
                Topic 3: 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
                          Topic 4: IPv4 Unicast Routing25%- OSPF
                          • 1. OSPFv2 principles and configuration
                            • 2. OSPF optimization and troubleshooting
                              • 3. LSA types and area design
                                - IS-IS
                                • 1. IS-IS protocol mechanism
                                  • 2. IS-IS and OSPF comparison
                                    • 3. Level-1/Level-2 routing
                                      - Routing Basics
                                      • 1. Routing table and forwarding principles
                                        • 2. Static routing and policy routing
                                          - BGP
                                          • 1. BGP attributes and path selection
                                            • 2. BGP route control and filtering
                                              • 3. BGP neighbor establishment
                                                Topic 5: IPv6 Technologies15%- IPv6 Transition
                                                • 1. NAT64 and DNS64
                                                  • 2. Dual-stack and tunneling technologies
                                                    - IPv6 Basics
                                                    • 1. IPv6 address structure and types
                                                      • 2. ICMPv6 and neighbor discovery
                                                        - IPv6 Routing Protocols
                                                        • 1. OSPFv3 and IS-IS for IPv6
                                                          • 2. BGP4+ and IPv6 interworking
                                                            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 protection mechanisms
                                                                    • 2. STP/RSTP/MSTP principles and configuration
                                                                      - High Reliability Technologies
                                                                      • 1. RRPP and ERPS
                                                                        • 2. Smart Link and Monitor Link

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

                                                                          1. Traditional BGP-4 can only manage IPv4 unicast routing information. In order to provide support for multiple network layer protocols, MP-BGP extends BGP-4. Among them, MP-BGP's support for IPv6 unicast networks is called BGP4+, and BGP4+ carries routing next-hop address information through the NextHop attribute.

                                                                          A) TURE
                                                                          B) FALSE


                                                                          2. If the PPP link between R1 and R2 is shown, and the direct connection port is not on the same network segment, but the R1 and R2 direct connection ports can communicate, and the Ethernet link cannot communicate under the same IP planning, what is the reason? (Multiple choice)

                                                                          A) R1 and R2 are connected to the POS port, and the 24-bit subnet route of the direct connection port of the other party is learned through IPCP.
                                                                          B) The data packets of the interconnected POS interface of R1 and R2 do not need to encapsulate the Ethernet header, and do not need to use ARP to request the MAC address.
                                                                          C) The interconnected POS port of R1 and R2 learns the MAC address of the peer interface through LCP, and does not require the ARP request MAC address.
                                                                          D) R1 and R2 are connected to the POS port, and the 32-bit host route of the direct connection port of the other party is learned through IPCP.


                                                                          3. Which of the following types of routes is used for advertising external routes in BGP EVPN?

                                                                          A) Type2
                                                                          B) Type4
                                                                          C) Type5
                                                                          D) Type3
                                                                          E) Type1


                                                                          4. In a shared network, what mechanism does PIM-SM use to prevent duplicate traffic?

                                                                          A) Register mechanism
                                                                          B) BSR/RP mechanism
                                                                          C) Assert mechanism
                                                                          D) Join/Prune mechanism


                                                                          5. If the default route is not used in the local IP routing table, the default route-import command is used to advertise the default route to the BGP peer (group).

                                                                          A) True
                                                                          B) False


                                                                          Solutions:

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

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