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

SectionWeightObjectives
Topic 1: IPv4 Unicast Routing25%- BGP
  • 1. BGP attributes and path selection
    • 2. BGP route control and filtering
      • 3. BGP neighbor establishment
        - Routing Basics
        • 1. Static routing and policy routing
          • 2. Routing table and forwarding principles
            - IS-IS
            • 1. IS-IS and OSPF comparison
              • 2. Level-1/Level-2 routing
                • 3. IS-IS protocol mechanism
                  - OSPF
                  • 1. OSPF optimization and troubleshooting
                    • 2. OSPFv2 principles and configuration
                      • 3. LSA types and area design
                        Topic 2: Multicast Protocols10%- Multicast Fundamentals
                        • 1. IGMPv1/v2/v3 and IGMP snooping
                          • 2. Multicast address and forwarding
                            - PIM Protocols
                            • 1. PIM-DM and PIM-SM
                              • 2. Rendezvous Point and BSR
                                • 3. Multicast VPN and reliability
                                  Topic 3: Advanced Technologies & Security20%- Network Security
                                  • 1. DHCP and ARP security
                                    • 2. ACL and traffic filtering
                                      • 3. URPF and anti-attack technologies
                                        - Route Control
                                        • 1. Filter-policy and route-policy
                                          • 2. Import and export routing control
                                            - High Availability
                                            • 1. BFD and link detection
                                              • 2. VRRP principles and deployment
                                                Topic 4: Layer 2 Technologies20%- Spanning Tree Protocols
                                                • 1. STP/RSTP/MSTP principles and configuration
                                                  • 2. STP protection mechanisms
                                                    - High Reliability Technologies
                                                    • 1. Smart Link and Monitor Link
                                                      • 2. RRPP and ERPS
                                                        - Ethernet and VLAN
                                                        • 1. VLAN principles and configuration
                                                          • 2. Link aggregation and load balancing
                                                            • 3. QinQ and VLAN mapping
                                                              Topic 5: Network Management & Optimization10%- QoS and traffic scheduling
                                                              - SNMP and network monitoring
                                                              - Troubleshooting methodology
                                                              Topic 6: IPv6 Technologies15%- 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
                                                                      - IPv6 Routing Protocols
                                                                      • 1. OSPFv3 and IS-IS for IPv6
                                                                        • 2. BGP4+ and IPv6 interworking

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

                                                                          1. Router HW is enabled with OSPF and the role of the router HW is ABR, and abr -surmnary is configured. Which classes of LSA will be aggregated? (Multiple Choice)

                                                                          A) Type 1 LSA
                                                                          B) Type 2 LSA
                                                                          C) Type 3 LSA
                                                                          D) Type 4 LSA
                                                                          E) Type 5 LSA


                                                                          2. Which of the following configuration of OSPFv3 route aggregation is correct?

                                                                          A) [Huawei]ospfv3 1 [Huawei-ospfv3-1] asbr-surmary fc00: 0: 0: : 48 3 cost 20 tag 100
                                                                          B) [Huawei] interface gigabitethernet 1/0/0 [Huawei-GigabitEthernet1/0/0] asbr-surmary fc00: 0: 0: : 48 cost 20
                                                                          C) [Huaweilospfv3 1 [Huawei-ospfv3-1] area 1 [Huawei-ospfv3-1-area-0.0.0.1] asbr- sumary fc00: 0: 0: : 48 cost 20 tag 100
                                                                          D) [Huawei] ospfv3 1 [Huawei-ospfv3-1] area 1 [Huawei-ospfv3-1-area-0.0.0.1] abr- summary fc00: 0: 0:: 48 cost 400
                                                                          E) [Huawei]ospfv3 1 [Huawei-ospfv3-1] abr-surmary fc00: 0: 0: : 48 cost 400


                                                                          3. After reset isis all is executed, the IS-IS protocol process needs to be restarted and neighbors need to be re-established, but various IS-IS statistics will not be cleared.

                                                                          A) TRUE
                                                                          B) FALSE


                                                                          4. Which of the following description about multi-instance CE features is wrong?

                                                                          A) Since the MCE device is already bound to the VPN, there is no need to bind the VPN on the PE connected to the MCE device.
                                                                          B) Configure MCE to enable one CE to connect to multiple VPNs at the same time, which can achieve complete isolation of services between different VPN users and reduce the investment cost of network equipment.
                                                                          C) The interface of the MCE device root media receiving the routing information base can determine the technical source of the routing information base and maintain it in the routing and forwarding table of the corresponding VP
                                                                          D) The implementation principle of MCE is to create respective routing and forwarding tables for different VPNs on the MCE equipment and bind them to the corresponding interfaces.


                                                                          5. Although the STP protocol can solve the loop problem, the slow convergence of the network topology affects the user's communication quality. RSTP has made many improvements to STP. Which of the following is not an improvement of RSTP to STP?

                                                                          A) RSTP deletes 3 port states and adds 2 new port roles
                                                                          B) RSTP's port state specifications are divided according to whether the port forwards user traffic and learns MAC addresses, reducing the original five port states to three
                                                                          C) The non-root switch running RSTP sends configuration BPDUs at the interval specified by the Hello Timer. This behavior is completely performed by each device independently
                                                                          D) If a port does not receive the configuration BPDU sent by the upstream device within 4 consecutive Hello Time, the device considers that the negotiation with this neighbor has failed


                                                                          Solutions:

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

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