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

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

Exam Code: H12-261_V3.0-ENU

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

Updated: Sep 12, 2026

Q & A: 485 Questions and Answers

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

SectionWeightObjectives
Topic 1: 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 2: 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 3: IPv4 Unicast Routing25%- Routing Basics
                        • 1. Static routing and policy routing
                          • 2. Routing table and forwarding principles
                            - OSPF
                            • 1. OSPFv2 principles and configuration
                              • 2. LSA types and area design
                                • 3. OSPF optimization and troubleshooting
                                  - 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
                                              Topic 4: Advanced Technologies & Security20%- Route Control
                                              • 1. Filter-policy and route-policy
                                                • 2. Import and export routing control
                                                  - Network Security
                                                  • 1. URPF and anti-attack technologies
                                                    • 2. DHCP and ARP security
                                                      • 3. ACL and traffic filtering
                                                        - High Availability
                                                        • 1. VRRP principles and deployment
                                                          • 2. BFD and link detection
                                                            Topic 5: Layer 2 Technologies20%- 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
                                                                      - Spanning Tree Protocols
                                                                      • 1. STP protection mechanisms
                                                                        • 2. STP/RSTP/MSTP principles and configuration
                                                                          Topic 6: Network Management & Optimization10%- SNMP and network monitoring
                                                                          - Troubleshooting methodology
                                                                          - QoS and traffic scheduling

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

                                                                          Question #1

                                                                          In an MPLS VPN network, when a data packet enters the public and is forwarded, it will be encapsulated with two layers of MPLS labels. Which of the following options describes the processing procedure of the data packet correctly? (Multiple Choice)

                                                                          • A. The Egress PE device correctly sends the data packet to the corresponding VPN according to the inner label
                                                                          • B. The packet is forwarded to the Egress PE device after the outer label pops up on the penultimate hop device
                                                                          • C. The Egress PE device receives untagged IP packets
                                                                          • D. The outer label of the packet received by the penultimate hop device is 3
                                                                          Answer: A,B
                                                                          Question #2

                                                                          What parameters can the DHCPv6 server assign to the DHCPv6 client? (Multiple choice)

                                                                          • A. Gateway address
                                                                          • B. DNS server address
                                                                          • C. SNTP server address
                                                                          • D. IPv6 address prefix
                                                                          Answer: B,C,D
                                                                          Question #3

                                                                          If running PIM-SM on a multicast network, you need to construct a multicast forwarding tree between the multicast source and the receiver to enable the receiver to receive multicast data. Which of the following description about the constructed multicast forwarding tree is correct? (Multiple Choice)

                                                                          • A. The SPT tree is built between the RP and the receiver.
                                                                          • B. The RPT tree is built between the multicast source and the RP.
                                                                          • C. The RTP tree is built between the RP and the receiver.
                                                                          • D. The SPT tree is built between the multicast source and the RP.
                                                                          Answer: C,D
                                                                          Question #4

                                                                          The following statement about the security confederation SA in IPsec, which is wrong?

                                                                          • A. Use display IPsec to view information about encryption algorithms, traffic, and other information used between another IPsec peer.
                                                                          • B. IPsec only supports the use of symmetric encryption algorithms to encrypt data.
                                                                          • C. There must be two-way SA between IPsec peers to establish an IPsec VPN connection.
                                                                          • D. The SA is uniquely identified by a triplet that includes the Security Parameter Index (SP), the source IP address and the security protocol number used (AH or ESP).
                                                                          Answer: D
                                                                          Question #5

                                                                          As shown in the figure, there are two IPv6 networks that can access the IPv4 network. At the same time, an IPSEC tunnel needs to be established between the two IPv6 networks for communication. Which of the following encapsulation modes can meet the requirements above?

                                                                          • A. AH + tunnel mode
                                                                          • B. None of the above options
                                                                          • C. AH + transmission mode
                                                                          • D. ESP + tunnel mode
                                                                          Answer: D

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