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

H12-261-ENU Exam Simulator
  • Exam Code: H12-261-ENU
  • Exam Name: HCIE-Routing&Switching (Written)(Huawei Certified ICT Expert-Routing & Switching)
  • Updated: Aug 21, 2026
  • Q & A: 525 Questions and Answers

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Huawei H12-261-ENU Exam Syllabus Topics:

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

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

                                                  1. Which of the following descriptions about the FTP protocol is correct?

                                                  A) In FTP Active mode, the server uses the command "PORT to tell the client which port it expects to send data.
                                                  B) FTP always uses TCP port 20 to establish a data session and ICP port 21 to establish a control session.
                                                  C) In FTP Passive mode, the client completes the initialization of the TCP session for control and data.
                                                  D) FTP always uses a TCP session to transmit control information and data information.
                                                  E) FTP always uses TCP port 21 to establish a data session and TCP port 20 to establish a control session.


                                                  2. As shown in the figure, the router load balances the traffic between the branch network 1 and the branch network 2. In this case, configure the URPP defense source IP address spoofing attack on the physical interface of the router to use loose mode.

                                                  A) False
                                                  B) True


                                                  3. ISIS protocol is in broadcast network and P2P network, when the router receives the LSP, it needs to use PSNP to confirm and ensure the synchronization of the LSDB.

                                                  A) False
                                                  B) True


                                                  4. The IPSG can be configured with a static binding table or used with DHCP-snooping to form a binding table.

                                                  A) False
                                                  B) True


                                                  5. Assume that the port shaping rate is 100 Mbps. The input bandwidth and configured PIR of each service on the interface are as follows.
                                                  Then, after the first round of scheduling, what is the bandwidth allocated by the EF queue?

                                                  A) 30M
                                                  B) 25M
                                                  C) 90M
                                                  D) 15M


                                                  Solutions:

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

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