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Huawei H12-261-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: IPv6 and Multicast | 15% | - IGMP and PIM multicast protocols - OSPFv3 and BGP4+ - IPv6 addressing and transition mechanisms |
| Topic 2: Layer 2 Technologies | 20% | - VRRP and BFD - Ethernet and VLAN principles - Link aggregation and redundancy - STP/RSTP/MSTP protocols |
| Topic 3: MPLS and VPN Technologies | 15% | - IPsec and VPN security - MPLS architecture and label switching - MPLS L3VPN and L2VPN |
| Topic 4: Network Design, Operation and Troubleshooting | 10% | - Fault diagnosis and resolution - Network monitoring and management - Large-scale network architecture design |
| Topic 5: Network Security and QoS | 10% | - Attack defense and traffic filtering - ACL, security policy and AAA - QoS models, classification and scheduling |
| Topic 6: IPv4 Routing Protocols | 30% | - OSPFv2 principles and advanced configuration - Routing policies and route control - IS-IS protocol deployment and optimization - BGP route attributes and selection |
Huawei HCIE-Routing&Switching (Written)(Huawei Certified ICT Expert-Routing & Switching) Sample Questions:
Which of the following description about the characteristics of the cross-domain vpn-Option C is correct? (Multiple choice)
- A. VPNV4 routes are not saved on the ASBR, and VPNv4 routes are not advertised to each other.
- B. The VPN route is directly exchanged between the ingress PE and the egress PE, and no intermediate device is required to save and advertise the VPN route.
- C. Cross-domain VPN-Option-c mode is not suitable for use when spanning multiple ASs.
- D. Up to two layers of labels need to be used in the packet forwarding process.
Correct Answer: A,B π³οΈ
Regarding the characteristics of CE dual-homing, which description is wrong?
- A. In the CE dual-homing network, loops may occur, and route-tags can be used to solve loop problems.
- B. The VRFs of two PEs connected to the same CE can belong to different VPNs.
- C. CE and PE form a CE dual-homed network to ensure high network availability.
- D. The CE is connected to the backbone network through two links. The two links can be used as both load balancing and active/standby links.
Correct Answer: A π³οΈ
Huawei's two switches SWA and SWB are connected through 7 Ethernet ports and configured with static link aggregation. The corresponding ports on the switch SW are Ethernet1/0/2, Ethernet1/0/3, Ethernet1/0/4. Ethernet 1/0/5, Ethernet 1/0/6, and Ethernet 1/0/7 are configured in the order of the ports. If the switch SWA and SWB supports only 6 ports per aggregation group,
- A. In the case of each interface configuration consistent, Ethernet1/0/1 Unselected port
- B. In the case of each interface configuration consistent, Ethernet1/0/7 Unselected port
- C. In the case of each interface configuration consistent, SWA randomly select a port in 7 ports as aggregation Unselected port
- D. In the case of each interface configuration consistent, Ethernet1/0/6 Unselected port
Correct Answer: B π³οΈ
The multicast IP address is 229.130.130.1, and the corresponding MAC address is:
- A. 00-00-5E-82-82-01
- B. 00-00-5E-02-82-01
- C. 01-00-5E-82-82-01
- D. 01-00-5E-02-82-01
Correct Answer: D π³οΈ
If multiple candidate RPs are configured in a multicast group, which of the following parameters should be compared the candidate RPs? (Multiple Choice)
- A. Number of the C-RP interface
- B. Group-wide mask length of the C-RP service matching the multicast address to which the user joins
- C. C-RP priority
- D. IP address of the C-RP interface
Correct Answer: B,C,D π³οΈ
