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

H12-261_V3.0 real exams

Exam Code: H12-261_V3.0

Exam Name: HCIE-Routing & Switching (Written) V3.0

Updated: Jul 17, 2026

Q & A: 476 Questions and Answers

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Huawei H12-261_V3.0 Exam Syllabus Topics:

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

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

1. Regarding the description of IGMP Snooping, is it correct?

A) IGMP Snooping does not consume the CPU of the switch
B) IGMP Snooping runs at the link layer and is a multicast constraint mechanism on a Layer 2 Ethernet switch to manage and control multicast groups.
C) IGMP Snooping establishes a MAC multicast address table by monitoring the IGMP messages sent by the host.
D) IGMP Snooping solves the problem of multicast multicast broadcast at Layer 3


2. You are currently troubleshooting a LAN and you suspect that the error is due to a mismatch of operating modes. Which switch interface errors indicate
10/100/1000 IEEE Gigabit interface working mode mismatch?

A) FCSMistake
B) super small frame
C) misalignment
D) Excessive conflict
E) Lag conflict


3. Bandwidth parameters need to be configured when deploying LLQ. What is the significance of the bandwidth parameters?

A) This parameter should be as small as possible. It means that the bandwidth is always reserved, even if LLQ is used, this parameter will reduce the available bandwidth of the interface
B) Provides a built-in policer to limit the maximum available bandwidth for low-latency queues during times of congestion
C) It means reference CIR to calculate burst size of built-in policer token bucket
D) This parameter is optional because LLQ always takes precedence over other queues


4. Which of the following descriptions about OSPFV3 packets is correct?

A) The LSR packet contains the complete LSA header information and is used to request to update the LSA
B) The Option field of Hello and DD packets is extended to 24 bits
C) The Hello packet must contain the interface ID of the sending interface
D) The LSACK message contains the LSA header information to confirm receipt of the LSU message


5. The following about IPv6 Over VXLAWhich statement N is wrong?

A) VXLAThe tunnel between the Layer 2 and Layer 3 gateways is an IPv4 network.
B) IPv6overVXLAN can solve the problem of insufficient IP address resources for terminal tenants.
C) IPv46 Over VLAN does not generate ND entries.
D) IPv46 over VXL AN means VXL AThe overlay network of N is an IPv6 network.


Solutions:

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

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