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

H12-261_V3.0-ENU real exams

Exam Code: H12-261_V3.0-ENU

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

Updated: Aug 30, 2026

Q & A: 485 Questions and Answers

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

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

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

                                                                          Question 1

                                                                          The interface Serial0 of an existing router is in OSPF area 1, and the interface Serial0 is set to the Silent interface, so what effect does this setting have?

                                                                          A. OSPF establishes available adjacencies through this interface.
                                                                          B. OSPF does not add routes learned from the interface to the local routing table.
                                                                          C. OSPF does not establish any adjacencies through the interface.
                                                                          D. OSPF will receive routing updates from neighbors


                                                                          Question 2

                                                                          If the OSPF protocol is running on the network, configure the non-backbone area in the OSPP area as the LSA with the ls-id of 0.0.0.0 in the Totally Stub Totally Stub area. Which LSA does the LSA belong to?

                                                                          A. LSA3
                                                                          B. LSA5
                                                                          C. LSA1
                                                                          D. LSA2


                                                                          Question 3

                                                                          Regarding the configuration of the security level of the firewall security zone, which of the following statement is wrong?

                                                                          A. In the same system, two security zones are not allowed to configure the same security level
                                                                          B. The security level can only be set for the custom security zone
                                                                          C. Once the security level is set, it is not allowed to change
                                                                          D. The newly created security zone, the system defaults its security level to 1


                                                                          Question 4

                                                                          To configure AAA, you first need to define the XRADIUS RADIUS server as follows:
                                                                          [Huawei] radius-server template EXAM
                                                                          [Huawei-radius-EXAM] radius-serve shared-key cipher HUAwei123
                                                                          [Huawei-radius-EXAM] radius-se authentication 10.7.66.66 1812
                                                                          [Huawei-radius-EXAM] radius-se authorization 10.7.66.661812
                                                                          [Huawei radius -EXAM] radius-server retransmit 27. 1813
                                                                          [Huawei-radius-EXAM] radius-serv accounting 10

                                                                          A. True
                                                                          B. False


                                                                          Question 5

                                                                          A company has built an OSPF network as shown in the following figure. The links form an OSPF neighbor relationship. All devices have announced their own loopback address. On one day, the S1-R2 and S2-R1 links are faulty. Which of the following description is correct? (Area 0 is split) (Multiple choice)

                                                                          A. R1 can learn the loopback route of R2 normally.
                                                                          B. R5 can learn the loopback route of R2 normally.
                                                                          C. R3 cannot learn the loopback route of R2.
                                                                          D. R3 can learn the loopback route of R2 normally.


                                                                          Solutions:

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

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