Huawei H12-811_V1.0-ENU : HCIA-Datacom V1.0

  • Exam Code: H12-811_V1.0-ENU
  • Exam Name: HCIA-Datacom V1.0
  • Updated: Oct 10, 2026
  • Q & A: 880 Questions and Answers

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Huawei H12-811_V1.0-ENU Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Network Management and Maintenance5%- Basic network management
  • 1. Log and alarm management
  • 2. SNMP protocol overview
- Fault diagnosis tools
  • 1. Ping and Tracert usage
  • 2. Device status and information query
Topic 2: Ethernet Switching Network Construction28%- Link aggregation and stacking
  • 1. Link aggregation principles and configuration
  • 2. Switch stacking technology overview
- Ethernet technology
  • 1. Ethernet frame structure and standards
  • 2. Switch working principle and MAC address learning
- Spanning Tree Protocol
  • 1. STP/RSTP configuration and optimization
  • 2. STP/RSTP principles and port states
- VLAN technology
  • 1. VLAN principles and division methods
  • 2. Trunk and access link configuration
Topic 3: WAN Technology and Application7%- WAN connection types
  • 1. HDLC and PPP protocols
  • 2. PPP authentication principles
- NAT technology
  • 1. NAT principles and types
  • 2. NAT configuration and application
Topic 4: SDN and Network Automation Basics3%- SDN concept and architecture
  • 1. Characteristics and application scenarios
- Network automation
  • 1. Automation development foundation
  • 2. Huawei automation tools overview
Topic 5: Network Security and Access Control12%- ACL technology
  • 1. ACL classification and matching rules
  • 2. ACL configuration and application scenarios
- Basic network security
  • 1. Common attack types and defense methods
  • 2. Port security and protection measures
Topic 6: IPv6 Basics5%- IPv6 address system
  • 1. IPv6 address format and classification
  • 2. IPv6 address configuration
- IPv6 protocol features
  • 1. Transition technologies overview
  • 2. ICMPv6 and neighbor discovery
Topic 7: Data Communication and Network Basics8%- Protocol models
  • 1. TCP/IP model and protocol stack
  • 2. OSI reference model
- Basic concepts of data communication and networks
  • 1. Network architecture and standard organizations
  • 2. Routing and switching concepts
- Core protocols
  • 1. ARP working principle
  • 2. TCP and UDP characteristics and application scenarios
- Huawei VRP system
  • 1. Data forwarding process
  • 2. VRP operating principles and basic operations
Topic 8: Building IP Network with Interconnection and Interworking27%- Static routing
  • 1. Default route and floating static route
  • 2. Static route configuration and application
- IPv4 addressing
  • 1. IPv4 address classification and composition
  • 2. Subnet division and VLSM
- OSPF protocol basics
  • 1. OSPF working principle and characteristics
  • 2. OSPF single-area configuration
- IP routing fundamentals
  • 1. Layer 3 forwarding mechanism
  • 2. Routing table composition and routing principles

Huawei HCIA-Datacom V1.0 Sample Questions:

Question #1

In a broad sense, the transmission medium that constitutes the wireless local area network WLAN does not include?

  • A. radio waves
  • B. rays
  • C. Infrared
  • D. Laser
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #2

VRP operating system commands are divided into four levels: access level, monitoring level, configuration level, and management level.
Which level can run various business configuration and configuration commands but cannot operate the file system?

  • A. Access level
  • B. Configuration level
  • C. Management level
  • D. Monitoring level
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #3

The network administrator has captured a data frame in the network, and its destination MAC address is 01-00-5E-A0-B1-C3.
Which statement about the mac address is correct?

  • A. It is a unicast MAC address
  • B. It is an illegal MAC address
  • C. It is a broadcast MAC address
  • D. It is a multicast MAC address
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #4

LACP protocol priority as shown in the figure, switch A and switch B adopt LACP mode link aggregation, and all interfaces are added to the link aggregation group, and the maximum number of active ports is set to 3, which port of switch A is not active port?

  • A. G0/0/1
  • B. G0/0/3
  • C. G0/0/0
  • D. G0/0/2
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #5

As shown in the figure, three Layer 2 switches are interconnected with a HUB, and the STP function is enabled on the switches. Please refer to the figure below for the STP bridge ID settings of the switches, and the others are default configurations.

Which of the following statement is wrong?

  • A. The two ports on the SWA are designated ports and are in forwarding state
  • B. G0/0/2 of SWA is blocked
  • C. SWA is the root bridge in this simple network
  • D. G0/0/1 of SWC is alternative and in blocking state
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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