Huawei H12-261_V3.0 : HCIE-Routing & Switching (Written) V3.0

  • Exam Code: H12-261_V3.0
  • Exam Name: HCIE-Routing & Switching (Written) V3.0
  • Updated: Oct 28, 2026
  • Q & A: 476 Questions and Answers

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Huawei H12-261_V3.0 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Network Design & Troubleshooting15%- Enterprise Network Design
  • 1. Scalability design
  • 2. Reliability design
  • 3. Architecture planning
- Fault Diagnosis
  • 1. Common fault analysis
  • 2. Diagnosis tools
  • 3. Recovery procedures
Topic 2: Emerging Technologies5%- SDN & Network Virtualization
  • 1. Huawei solutions
  • 2. Concepts and architecture
- Network Management
  • 1. eSight basics
  • 2. SNMP
Topic 3: QoS & Traffic Management10%- QoS Deployment
  • 1. Bandwidth optimization
  • 2. End-to-end QoS
- QoS Models
  • 1. IntServ
  • 2. DiffServ
- Traffic Classification & Policing
  • 1. Congestion management
  • 2. Marking
  • 3. Shaping
Topic 4: Network Security15%- VPN Technologies
  • 1. MPLS VPN basics
  • 2. IPsec VPN
  • 3. GRE VPN
- Access Control
  • 1. Port security
  • 2. ACL
  • 3. AAA
- Security Hardening
  • 1. Security policy design
  • 2. Attack defense
  • 3. Device security
Topic 5: Advanced Routing Technologies30%- BGP Protocol
  • 1. Path attributes
  • 2. Routing policies
  • 3. Large-scale deployment
- OSPF Protocol
  • 1. Principle and mechanism
  • 2. Deployment and optimization
  • 3. Troubleshooting
- IPv6 Routing
  • 1. OSPFv3
  • 2. IS-IS for IPv6
  • 3. BGP4+
- IS-IS Protocol
  • 1. Route calculation
  • 2. Basic concepts
  • 3. Network design
Topic 6: Advanced Switching Technologies25%- High Availability
  • 1. Link aggregation
  • 2. VRRP
  • 3. Device redundancy
- Layer 2 Protocols
  • 1. Loop prevention mechanisms
  • 2. VLAN and trunk
  • 3. STP/RSTP/MSTP
- Multicast Technologies
  • 1. Multicast deployment
  • 2. PIM-SM/PIM-DM
  • 3. IGMP/MLD

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

Question #1

The switches SWA and SWB are connected together through 2 Ethernet links, and the switch SWA has the following interface configuration
[SWA]interface Gigabitethernet 1/0/1
[SWA-gigabitethernet1/0/1]port link-type trunk
[SWA-gigabitethernet1/0/1]port trunk allow-pass vlan 1 10 100
[SWA]interface Gigabitethernet 1/0/2
[SWA-gigabitethernet1/0/2]port link-type trunk
[SWA-gigabitethernet1/0/2]port trunk allow-pass vlan 1 10
Configure link aggregation to tie the two links together. If the configuration on SWB is correct, it can be known from the above information

  • A. Gigabitethernet1/0/1 and Gigabitethernet1/0/2 can join the same aggregation group without changing the current configuration
  • B. Because of different link types, Gigabitethernet1/0/1 and Gigabitethernet1/0/2 cannot join the same aggregation group
  • C. After link aggregation is configured on both SWA and SWB, if the switches SWA and SWB enable MSTP, then the interface status of Gigabitethernet1/0/1 and Gigabitethernet1/0/2 in MSTP is the same
  • D. Only by changing the configuration of Gigabitethernet1/0/2 to be consistent with Gigabitethernet1/0/1, the two can join the same aggregation group
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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Question #2

If multiple candidate RPs are configured in a multicast group, which of the following parameters need to be compared to elect the RP of this group from the multiple candidate RPs?

  • A. IP address of the C-RP interface
  • B. Number of the C-RP interface
  • C. C-RP priority
  • D. matches the address of the group the user joinedGroup-wide mask length for C-RP services
Reveal Solution  Discussion  0

Correct Answer: A,C,D  🗳️

Question #3

A routerRouter LSA As shown in the picture, which of the following statements is wrong? (single choice)

  • A. This router is the DR
  • B. The router of this router ID for 10.0.12.1
  • C. This router has established an adjacency relationshipC. This router supports external route import
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #4

Regarding the sham link, which of the following descriptions is wrong?

  • A. Sham link is regarded as a link between two VPI instances, each VPN instance must have an endpoint address of sham1irk, which must be a Loopback interface with a 32-bit mask in the VPN address space on the PE router address
  • B. Sham link can be advertised in any area, it needs to be configured manually, and the local VPN instance must have a route to the destination address of the sham link (the sham link endpoint address of the peer PE)
  • C. The endpoint address of the Sham link is published by BGP as the VPNv4 address. Routes that have passed through the sham link can also be imported into BGP in the form of VPNv4 routes.
  • D. In order to forward VPN traffic through the MPLS backbone network, the routing cost of the sham link should be less than the OSPF routing cost of the backdoor link
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Question #5

Which of the following statements about LDP reliability is incorrect?

  • A. LDP GR (Graceful Restart) utilizes the feature that the forwarding plane and the control plane of the LS are high, and realizes the switchover of the device during protocol restart or active/standby switchover.uninterrupted
  • B. LDP and IGP are associated with each other, and the IGP needs to suppress the advertisement of routes to ensure that the LDP and LGP paths are consistent.
  • C. By default, the manually configured LDP FRR policy is a 32-bit backup route that triggers LDP to establish a backup LSP.
  • D. by LDP FRR can also generate LSPs for label mappings from non-optimal next hops, and create forwarding entries as backups of the primary LSPs
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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