Huawei H12-261-ENU Q&A - in .pdf

  • Exam Code: H12-261-ENU
  • Exam Name: HCIE-Routing&Switching (Written)(Huawei Certified ICT Expert-Routing & Switching)
  • Updated: Aug 26, 2026
  • Q & A: 525 Questions and Answers
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  • Exam Code: H12-261-ENU
  • Exam Name: HCIE-Routing&Switching (Written)(Huawei Certified ICT Expert-Routing & Switching)
  • Updated: Aug 26, 2026
  • Q & A: 525 Questions and Answers
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Huawei H12-261-ENU Exam Syllabus Topics:

SectionObjectives
Topic 1: Advanced IP Network Fundamentals- IPv4/IPv6 addressing and design
  • 1. IPv6 deployment scenarios
    • 2. Address planning and subnetting
      - Network convergence principles
      • 1. Scalability considerations
        • 2. Control plane vs data plane concepts
          Topic 2: Switching and Layer 2 Technologies- High availability mechanisms
          • 1. Redundancy and loop prevention
            • 2. Link aggregation (Eth-Trunk)
              - Ethernet switching
              • 1. STP/RSTP/MSTP mechanisms
                • 2. VLAN design and trunking
                  Topic 3: Network Security and QoS- Network security basics
                  • 1. Basic security hardening
                    • 2. ACL design and filtering
                      - Quality of Service
                      • 1. Traffic classification and marking
                        • 2. Congestion management and scheduling
                          Topic 4: Network Troubleshooting and Optimization- Performance optimization
                          • 1. Routing optimization strategies
                            • 2. Latency and congestion analysis
                              - Fault diagnosis methodology
                              • 1. Protocol analysis techniques
                                • 2. Layered troubleshooting approach
                                  Topic 5: Routing Protocols and Optimization- EGP protocols
                                  • 1. Route reflection and confederation
                                    • 2. BGP policy control and attributes
                                      - IGP protocols
                                      • 1. OSPF advanced design and optimization
                                        • 2. IS-IS fundamentals and deployment
                                          Topic 6: MPLS and VPN Technologies- VPN implementation
                                          • 1. L2VPN and L3VPN design
                                            • 2. Inter-AS VPN scenarios
                                              - MPLS fundamentals
                                              • 1. Label switching and forwarding
                                                • 2. LDP and MPLS architecture

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

                                                  1. The following description of the BSR mechanism, which is correct? (Multiple Choice)

                                                  A) The BSR advertises BSR information and C-RP information to all routers in the PIM-SM domain by flooding Bootstrap packets.
                                                  B) One C-BSR can also collect C-RP information through received C-RP packets.
                                                  C) The BSR collects C-RP information through the received C-RP data packets.
                                                  D) There can be multiple C-BSR in a PIM-SM domain, but only one BSR can be elected.


                                                  2. 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 above requirements?

                                                  A) AH+ transmission mode
                                                  B) AH+ tunnel mode
                                                  C) ESP+ tunnel mode
                                                  D) None of the above options


                                                  3. Which of the following description about the OSPF virtual link is true?

                                                  A) The cost of the virtual link is the optimal link.
                                                  B) A virtual connection can be established in any area, and itself belongs to the area after it is established.
                                                  C) The virtual link can be used to solve the problem that area 0 is divided.
                                                  D) The virtual link uses the outbound interface P as the link address.


                                                  4. There are two Community-filter ip Community-filter 1 permit 100: 1 200:1 ip community-filter 2 permit 100: 1 ip Community-filter 2 permit 200:1 Which is the correct description of the above Community-filter? (Multiple Choice)

                                                  A) As long as the community attribute value carried in the BGP route contains 100:1 or 200:1 or both, the BGP route will match the community-filter1
                                                  B) As long as the community attribute value carried in the BGP route contains 100:1 or 200:1 or both, the BGP route will match the community-filter2
                                                  C) Only when the community attribute value carried in the BGP route contains 100:1 and 200:1, the BGP route will match 2
                                                  D) Only when the community attribute value carried in the BGP route contains 100:1 and 200:1, the BGP route will match 1


                                                  5. HW users are transmitting a lot of files through TFTP. What protocol does TFTP rely on for transmission?

                                                  A) UDP
                                                  B) NFS
                                                  C) IcmP and UDP
                                                  D) FTP
                                                  E) IP and TCP


                                                  Solutions:

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

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