Huawei H12-261-ENU actual dump : HCIE-Routing&Switching (Written)(Huawei Certified ICT Expert-Routing & Switching)

H12-261-ENU
  • Exam Code: H12-261-ENU
  • Exam Name: HCIE-Routing&Switching (Written)(Huawei Certified ICT Expert-Routing & Switching)
  • Updated: Aug 12, 2026
  • Q & A: 525 Questions and Answers

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Huawei H12-261-ENU Exam Syllabus Topics:

SectionObjectives
Network Security and QoS- Quality of Service
  • 1. Congestion management and scheduling
    • 2. Traffic classification and marking
      - Network security basics
      • 1. ACL design and filtering
        • 2. Basic security hardening
          Network Troubleshooting and Optimization- Fault diagnosis methodology
          • 1. Layered troubleshooting approach
            • 2. Protocol analysis techniques
              - Performance optimization
              • 1. Routing optimization strategies
                • 2. Latency and congestion analysis
                  Switching and Layer 2 Technologies- Ethernet switching
                  • 1. VLAN design and trunking
                    • 2. STP/RSTP/MSTP mechanisms
                      - High availability mechanisms
                      • 1. Link aggregation (Eth-Trunk)
                        • 2. Redundancy and loop prevention
                          Routing Protocols and Optimization- EGP protocols
                          • 1. Route reflection and confederation
                            • 2. BGP policy control and attributes
                              - IGP protocols
                              • 1. IS-IS fundamentals and deployment
                                • 2. OSPF advanced design and optimization
                                  Advanced IP Network Fundamentals- Network convergence principles
                                  • 1. Scalability considerations
                                    • 2. Control plane vs data plane concepts
                                      - IPv4/IPv6 addressing and design
                                      • 1. Address planning and subnetting
                                        • 2. IPv6 deployment scenarios
                                          MPLS and VPN Technologies- VPN implementation
                                          • 1. L2VPN and L3VPN design
                                            • 2. Inter-AS VPN scenarios
                                              - MPLS fundamentals
                                              • 1. LDP and MPLS architecture
                                                • 2. Label switching and forwarding

                                                  Huawei HCIE-Routing&Switching (Written)(Huawei Certified ICT Expert-Routing & Switching) Sample Questions:

                                                  1. 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) False
                                                  B) True


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


                                                  3. By default, the switch configures the MAC address table to be empty. Host A connected to the switch sends the first unicast data frame. What operation will the switch perform after receiving the data frame?

                                                  A) The switch caches the data frame and waits for the destination host to send the data frame and then forward it.
                                                  B) The switch records the source MAC address of the data frame and floods the data frame.
                                                  C) The switch will discard the data frame
                                                  D) The switch forwards the data frame out of an interface according to the destination MAC address of the data frame.


                                                  4. A network consisting of an existing router R1, router R2, router R3 and router R4. These four routers are interconnected via a LAN network. Basic OSPF is deployed on all four routers. When you execute the command "display ospf peer" on the router R2, the status between router R2 and router R3 is "2way".
                                                  What conclusion can you draw from this output?

                                                  A) There is no full adjacency between router R2 and router R3.
                                                  B) Router R4 is DR
                                                  C) Router R3 is not DR, nor BDR
                                                  D) Router R2 is DR or BDR
                                                  E) Router R2 is not DR


                                                  5. When a packet is forwarded to the public network in the MPLS BGP VPN network in the domain, it will be encapsulated with two layers of MPLS labels. Which of the following description about the two-layer label is wrong?

                                                  A) The export PE uses the inner label when determining which export CE the message should be sent to.
                                                  B) By default, the router assigns the same label value to all VPNv4 routes destined for the peer PE.
                                                  C) MPLS BGP VPN uses two-layer label public network label (also known as outer label) and private network label (also known as inner label).
                                                  D) The private network label is carried and distributed when the route is delivered by MP-BGP. The public network label is distributed by the LDP protocol.


                                                  Solutions:

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

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