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

  • Exam Code: H12-261_V3.0-ENU
  • Exam Name: HCIE-Routing & Switching (Written) V3.0
  • Updated: Sep 19, 2026
  • Q&As: 485 Questions and Answers

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

SectionWeightObjectives
Topic 1: Multicast Protocols10%- PIM Protocols
  • 1. Multicast VPN and reliability
    • 2. Rendezvous Point and BSR
      • 3. PIM-DM and PIM-SM
        - Multicast Fundamentals
        • 1. Multicast address and forwarding
          • 2. IGMPv1/v2/v3 and IGMP snooping
            Topic 2: IPv4 Unicast Routing25%- BGP
            • 1. BGP neighbor establishment
              • 2. BGP attributes and path selection
                • 3. BGP route control and filtering
                  - Routing Basics
                  • 1. Routing table and forwarding principles
                    • 2. Static routing and policy routing
                      - IS-IS
                      • 1. IS-IS and OSPF comparison
                        • 2. IS-IS protocol mechanism
                          • 3. Level-1/Level-2 routing
                            - OSPF
                            • 1. LSA types and area design
                              • 2. OSPFv2 principles and configuration
                                • 3. OSPF optimization and troubleshooting
                                  Topic 3: 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. QinQ and VLAN mapping
                                          • 3. Link aggregation and load balancing
                                            - Spanning Tree Protocols
                                            • 1. STP protection mechanisms
                                              • 2. STP/RSTP/MSTP principles and configuration
                                                Topic 4: Network Management & Optimization10%- SNMP and network monitoring
                                                - Troubleshooting methodology
                                                - QoS and traffic scheduling
                                                Topic 5: IPv6 Technologies15%- IPv6 Transition
                                                • 1. Dual-stack and tunneling technologies
                                                  • 2. NAT64 and DNS64
                                                    - 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
                                                            Topic 6: Advanced Technologies & Security20%- High Availability
                                                            • 1. BFD and link detection
                                                              • 2. VRRP principles and deployment
                                                                - Network Security
                                                                • 1. URPF and anti-attack technologies
                                                                  • 2. ACL and traffic filtering
                                                                    • 3. DHCP and ARP security
                                                                      - Route Control
                                                                      • 1. Import and export routing control
                                                                        • 2. Filter-policy and route-policy

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

                                                                          Question #1

                                                                          OSPFv3 and ISIS are running on the router at the same time. You need to import OSPFv3 routes to ISIS. Which of the following types of configurations is correct? (Multiple choice)

                                                                          • A. [Huawe]isis 1
                                                                            [Huawei-isis-1]is-level level-1
                                                                            [Huawei-isis-1] network-entity 47.0001.0000.0002.00
                                                                            [Huawei-isis-1]ipv6 enable topology standard
                                                                            [Huawei-isis-1]ipv6 impot-route ospv3 1 level-1
                                                                            [Huawei-isis-1]qut
                                                                            [Huawe] ospfv31
                                                                            [Huawei-ospfV3-1] router-id 2.2.2.2
                                                                          • B. [Huawei] isis 1
                                                                            [Huawei-isis-1]is-level level-1
                                                                            [Huawei-isis-1]lnetwork-entity 47.0001.0000.0000.0002.00
                                                                            [Huawei-isis-1]impot-route ospfv31 level-1
                                                                            [Huawei] osp fv 3 1
                                                                            [Huawei-ospfv3-1] routerid 2.2.2.2
                                                                          • C. [Huawei]isis 1
                                                                            [Huawei-isis-1] network-entity 47.0001.0000.0000.0002.00
                                                                            [Huawei-isis-1]ipv6 enable topology standard
                                                                            [Huawei-isis-1]ipv6 import-route ospfv3 1 level-1
                                                                            [Huawe-isis-1quit
                                                                            [Huawei-ospfV3-1] router-id 22.22
                                                                          • D. [Huawe] isis 1
                                                                            [Huawei-isis-1]is-level level-1
                                                                            [Huawei-isis-1] network-entity 47.0001.0000.0000.0002.00
                                                                            [Huawei-isis-1]ipv6 enable topology standard
                                                                            [Huawei-isis-1]ipv6 impot-route ospv3 1 level-1
                                                                            [Huawei-isis-1] quit
                                                                            [Huawe] ospfv31
                                                                            [Huawe-ospfV3-1] router-d 2.2.2.2
                                                                          • E. [Huawei] isis 1
                                                                            [Huawei-isis-1]network-entity 47.0001.0000.0002.00
                                                                            [Huawei-isis-1] import-route ospfv3 1
                                                                            [Huawei-isis-1]quit
                                                                            [Huawel] ospfv3 1
                                                                            Huawei-ospfv3-1] router-id 2.2.2.2
                                                                          Reveal Solution  Discussion  0

                                                                          Correct Answer: A,C  🗳️

                                                                          Question #2

                                                                          Which of the following statement about the static LSP configuration in the MPLS network is wrong?

                                                                          • A. When an LSR is an Egress LSR, only In Label needs to be configured, the range is 16~1023
                                                                          • B. When a certain LSR is an Ingress LSR, only Out Label needs to be configured, the range is 16~1048575
                                                                          • C. When a certain LSR is a Transit LSR, In Label and Out Label need to be configured at the same time, both in the range of 16~1023
                                                                          • D. When a certain LSR is a Transit LSR, In Label and Out label need to be configured at the same time. In Label range is 16~1023, Out Label range is 16~1048575
                                                                          Reveal Solution  Discussion  0

                                                                          Correct Answer: C  🗳️

                                                                          Question #3

                                                                          How many bits are there in the tag field of MPL S?

                                                                          • A. 20
                                                                          • B. 1
                                                                          • C. 8
                                                                          • D. 3
                                                                          Reveal Solution  Discussion  0

                                                                          Correct Answer: A  🗳️

                                                                          Question #4

                                                                          As shown in the following figure, R1 and R2 establish the neighbor relationship of Level2. Which of the following statement about the R3 route entry is correct? (Multiple choice)

                                                                          • A. 2019::/64 router will appear in the IP routing table.
                                                                          • B. 2020::/64 router will appear in the IP routing table.
                                                                          • C. 2021::/64 router will appear in the IP routing table.
                                                                          • D. 2022::/64 router will appear in the IP routing table.
                                                                          Reveal Solution  Discussion  0

                                                                          Correct Answer: A,B,C,D  🗳️

                                                                          Question #5

                                                                          When configured ISIS the area authentication, which ISIS packets will carry the Bands authentication information?

                                                                          • A. SNP and LSP of LeveL-2 of ISIS.
                                                                          • B. SNP and LSP of Level-1 of ISIS.
                                                                          • C. Hello packets of Level-1 of ISIS.
                                                                          • D. Hello packets of Level-2 of ISIS.
                                                                          Reveal Solution  Discussion  0

                                                                          Correct Answer: B  🗳️

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