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

  • Exam Code: H12-261_V3.0-ENU
  • Exam Name: HCIE-Routing & Switching (Written) V3.0
  • Updated: Sep 04, 2026     Q & A: 485 Questions and Answers

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H12-261_V3.0-ENU exam dumps

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

SectionWeightObjectives
Topic 1: Network Management & Optimization10%- QoS and traffic scheduling
- SNMP and network monitoring
- Troubleshooting methodology
Topic 2: Layer 2 Technologies20%- High Reliability Technologies
  • 1. RRPP and ERPS
    • 2. Smart Link and Monitor Link
      - Spanning Tree Protocols
      • 1. STP/RSTP/MSTP principles and configuration
        • 2. STP protection mechanisms
          - Ethernet and VLAN
          • 1. Link aggregation and load balancing
            • 2. VLAN principles and configuration
              • 3. QinQ and VLAN mapping
                Topic 3: IPv6 Technologies15%- IPv6 Routing Protocols
                • 1. OSPFv3 and IS-IS for IPv6
                  • 2. BGP4+ and IPv6 interworking
                    - IPv6 Basics
                    • 1. IPv6 address structure and types
                      • 2. ICMPv6 and neighbor discovery
                        - IPv6 Transition
                        • 1. Dual-stack and tunneling technologies
                          • 2. NAT64 and DNS64
                            Topic 4: 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. DHCP and ARP security
                                        • 3. URPF and anti-attack technologies
                                          Topic 5: Multicast Protocols10%- PIM Protocols
                                          • 1. Rendezvous Point and BSR
                                            • 2. PIM-DM and PIM-SM
                                              • 3. Multicast VPN and reliability
                                                - Multicast Fundamentals
                                                • 1. Multicast address and forwarding
                                                  • 2. IGMPv1/v2/v3 and IGMP snooping
                                                    Topic 6: IPv4 Unicast Routing25%- Routing Basics
                                                    • 1. Static routing and policy routing
                                                      • 2. Routing table and forwarding principles
                                                        - IS-IS
                                                        • 1. IS-IS protocol mechanism
                                                          • 2. Level-1/Level-2 routing
                                                            • 3. IS-IS and OSPF comparison
                                                              - BGP
                                                              • 1. BGP route control and filtering
                                                                • 2. BGP neighbor establishment
                                                                  • 3. BGP attributes and path selection
                                                                    - OSPF
                                                                    • 1. LSA types and area design
                                                                      • 2. OSPFv2 principles and configuration
                                                                        • 3. OSPF optimization and troubleshooting

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

                                                                          Question 1

                                                                          BGP can only auto-aggregate routes whose source is Incomplete.

                                                                          A. True
                                                                          B. False


                                                                          Question 2

                                                                          How does the IGMPv2 router maintain the network segment group membership? (Multiple choice)

                                                                          A. The router periodically sends Query messages. The receiver host reports the Report message after receiving the Query message.
                                                                          B. After receiving the leave message, the router immediately deletes the group membership
                                                                          C. The router will query a specific group
                                                                          D. The router maintains a timeout timer for each group membership, refreshes the timer if it receives the receiver host, and deletes the group membership if the timer expires


                                                                          Question 3

                                                                          Two EBGP neighbors connected by two parallel cables. What method will you use to achieve bidirectional load sharing between two EBGP neighbors connected through these two parallel serial cables?

                                                                          A. Configure the loopback interface to establish an EBGP neighbor relationship and configure EBGP Multi-hop. Configure the loopback interface as the update source, and then use IGP to implement equal-cost path load sharing between addresses.
                                                                          B. Use the command at both ends "ebgp-load-balance
                                                                          C. Configure the EBGP neighbor relationship with the loopback interface as the update source. The IGP in each AS needs to import two equal-cost paths to the EBGP neighbor loopback address. You need to use the commands ebgp-max-hop and next- Hop-local
                                                                          D. Configure the EBGP neighbor relationship with the loopback interface as the update source. The IGP in each AS must have two equal-cost paths to the EBGP neighbor loopback address. You need to use the command "next-hop-local".
                                                                          E. Without any method, BGP automatically implements load sharing between different autonomous systems on the available links.


                                                                          Question 4

                                                                          The following topological diagrams are available, which of the following statements are correct? (Multiple Choice)

                                                                          A. There is a route with the destination network segment 10.0.3.3/32 on R1
                                                                          B. There is no route with the destination network segment 10.0.3.3/32 on R1
                                                                          C. There is a route with the destination network segment 10.0.2.2/32 on R1
                                                                          D. There is no route with the destination network segment 10.0.2.2/32 on R1


                                                                          Question 5

                                                                          The following are the statements about LDP reliability, which one is wrong?

                                                                          A. The association between the LDP and the IGP requires the IGP to suppress the advertisement of the route and ensure that the LDP path is consistent with the IGP path.
                                                                          B. The manually configured LDP FRR policy defaults to a 32-bit backup route that triggers LDP to establish a backup LSP.
                                                                          C. LDP GR Graceful Restart uses the feature that the MPLS forwarding plane is separated from the control plane. The device does not interrupt when the protocol is restarted or the active/standby switchover is performed.
                                                                          D. LDP FRR can also be used to generate an LSP for the label mapping from the non-optimal next hop. And it can be as a backup of the primary LSP to establish the transfer entries.


                                                                          Solutions:

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

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