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

SectionWeightObjectives
Topic 1: IPv6 Technologies15%- IPv6 Routing Protocols
  • 1. BGP4+ and IPv6 interworking
    • 2. OSPFv3 and IS-IS for IPv6
      - IPv6 Basics
      • 1. ICMPv6 and neighbor discovery
        • 2. IPv6 address structure and types
          - IPv6 Transition
          • 1. Dual-stack and tunneling technologies
            • 2. NAT64 and DNS64
              Topic 2: Advanced Technologies & Security20%- Route Control
              • 1. Import and export routing control
                • 2. Filter-policy and route-policy
                  - Network Security
                  • 1. DHCP and ARP security
                    • 2. URPF and anti-attack technologies
                      • 3. ACL and traffic filtering
                        - High Availability
                        • 1. VRRP principles and deployment
                          • 2. BFD and link detection
                            Topic 3: Layer 2 Technologies20%- High Reliability Technologies
                            • 1. RRPP and ERPS
                              • 2. Smart Link and Monitor Link
                                - Ethernet and VLAN
                                • 1. VLAN principles and configuration
                                  • 2. QinQ and VLAN mapping
                                    • 3. Link aggregation and load balancing
                                      - Spanning Tree Protocols
                                      • 1. STP protection mechanisms
                                        • 2. STP/RSTP/MSTP principles and configuration
                                          Topic 4: Network Management & Optimization10%- QoS and traffic scheduling
                                          - Troubleshooting methodology
                                          - SNMP and network monitoring
                                          Topic 5: IPv4 Unicast Routing25%- Routing Basics
                                          • 1. Routing table and forwarding principles
                                            • 2. Static routing and policy routing
                                              - IS-IS
                                              • 1. IS-IS and OSPF comparison
                                                • 2. Level-1/Level-2 routing
                                                  • 3. IS-IS protocol mechanism
                                                    - OSPF
                                                    • 1. LSA types and area design
                                                      • 2. OSPF optimization and troubleshooting
                                                        • 3. OSPFv2 principles and configuration
                                                          - BGP
                                                          • 1. BGP neighbor establishment
                                                            • 2. BGP attributes and path selection
                                                              • 3. BGP route control and filtering
                                                                Topic 6: 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

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

                                                                          1. Which of the following role of Link-LSA in OSPFv3 not include?

                                                                          A) Notify the router's per-port ID to other routers on the link
                                                                          B) Notify other routers on the link of the options set in the Network LSA originating from this link
                                                                          C) Advertise the IPv6 prefix list of this port to other routers on the link
                                                                          D) Advertise the link-local address of this interface to other routers on the link


                                                                          2. As shown in the figure, all routers run OSPF. Which of the following statements is correct?

                                                                          A) R2 only generates Router LSA in area 0
                                                                          B) R2 forwards the Router LSA generated by R3 to R1
                                                                          C) R2 forwards the Router LSA generated by R1 to R3
                                                                          D) R2 generates Router LSA in both area 1 and area


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

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


                                                                          4. When DLDP detects that a unidirectional link exists in the optical fiber, the default operations of the Huawei device include: DLDP state machine migrates to the Disable state, outputs trap information, automatically sets the interface to the blocked state.

                                                                          A) True
                                                                          B) False


                                                                          5. Which statement is correct about multicast packet forwarding?

                                                                          A) In the multicast transmission mode, the destination address of the message can clarify the location of the receiver
                                                                          B) RPF check failure indicates that the multicast data packet is received from the sub-optimal interface, but the inbound interface will still receive the multicast traffic and forward it downstream
                                                                          C) The source address of the multicast packet is a unicast address
                                                                          D) The IGMP Snooping function cannot control the range of multicast traffic flooding in the Ethernet


                                                                          Solutions:

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

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