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Huawei H12-261_V3.0-ENU

H12-261_V3.0-ENU

Exam Code: H12-261_V3.0-ENU

Exam Name: HCIE-Routing & Switching (Written) V3.0

Updated: Aug 29, 2026

Q & A: 485 Questions and Answers

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

SectionWeightObjectives
Topic 1: 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. Level-1/Level-2 routing
            • 3. IS-IS and OSPF comparison
              - 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
                        Topic 2: 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 3: Layer 2 Technologies20%- High Reliability Technologies
                                    • 1. RRPP and ERPS
                                      • 2. Smart Link and Monitor Link
                                        - Ethernet and VLAN
                                        • 1. Link aggregation and load balancing
                                          • 2. QinQ and VLAN mapping
                                            • 3. VLAN principles and configuration
                                              - Spanning Tree Protocols
                                              • 1. STP protection mechanisms
                                                • 2. STP/RSTP/MSTP principles and configuration
                                                  Topic 4: Network Management & Optimization10%- Troubleshooting methodology
                                                  - SNMP and network monitoring
                                                  - QoS and traffic scheduling
                                                  Topic 5: Multicast Protocols10%- PIM Protocols
                                                  • 1. Rendezvous Point and BSR
                                                    • 2. Multicast VPN and reliability
                                                      • 3. PIM-DM and PIM-SM
                                                        - Multicast Fundamentals
                                                        • 1. IGMPv1/v2/v3 and IGMP snooping
                                                          • 2. Multicast address and forwarding
                                                            Topic 6: Advanced Technologies & Security20%- 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
                                                                      - Route Control
                                                                      • 1. Filter-policy and route-policy
                                                                        • 2. Import and export routing control

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

                                                                          Question 1

                                                                          Which of the following description about the label space of MPLS is wrong?

                                                                          A. 16~1023 is the label space shared by static LSP and static CR-L SP
                                                                          B. If the outgoing label value is 0, the router will directly discard the packet
                                                                          C. When the penultimate hop LSR performs label switching, if the value of the label after the exchange is found to be 3, the label will be ejected by default and the packet will be sent to the last hop
                                                                          D. Above 1024 is the label space shared by dynamic signaling protocols such as LDP, RSVP-TE, MP-BGP, etc.


                                                                          Question 2

                                                                          Use the IP prefix list as shown in the figure for route matching. Which of the following routes can be matched?
                                                                          ip ip-prefix List1 index 10 permit 192.168.1.0 24 greater-equal 24 less-equal 27

                                                                          A. 192.168.3.0/25
                                                                          B. 192.168.1.0/23
                                                                          C. 192.168.2.0/24
                                                                          D. 192.168.1.0/27


                                                                          Question 3

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

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


                                                                          Question 4

                                                                          The advanced access control list is a series of sequential rules composed of permit | deny statements. These rules can match IP packets according to which of the following attributes? (Multiple choice)

                                                                          A. Source address
                                                                          B. Destination port number
                                                                          C. Source port number
                                                                          D. Destination address


                                                                          Question 5

                                                                          A routing tool can define multiple entries.
                                                                          Which tool will automatically add a deny-any entry at the end of the configuration? (Multiple Choice)

                                                                          A. IP-prefix
                                                                          B. AS-path-filter
                                                                          C. Route policy
                                                                          D. Community-tilter


                                                                          Solutions:

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

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