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

  • Exam Code: H12-811_V1.0-ENU
  • Exam Name: HCIA-Datacom V1.0
  • Updated: Oct 04, 2026
  • Q & A: 880 Questions and Answers

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

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

Huawei HCIA-Datacom V1.0 Sample Questions:

Question #1

The configuration information of a certain port of the switch is as shown in the figure, so which VLAN data frames are sent by this port to carry VLAN TAG?

  • A. 1,2,3,100
  • B. 2,3,100
  • C. 2,3,4,6,100
  • D. 1,2,3,4,6,100
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #2

The packet filtering firewall provides support for detecting and filtering fragmented packets. What kind of fragmented packets can the packet filtering firewall filter? (Multiple choice)

  • A. The first fragmented packet
  • B. Non-fragmented packets
  • C. Forged ICMP error messages
  • D. Subsequent fragmented packets
Reveal Solution  Discussion  0

Correct Answer: B,D  🗳️

Question #3

Which information in the data frame does the VLANIF interface judge whether to perform Layer 2 forwarding or Layer 3 forwarding?

  • A. Source IP
  • B. Destination port
  • C. Source MAC
  • D. Destination MAC address
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #4

In the IEEE802.11 standard, which only supports the 2.4G frequency band? (Multiple choice)

  • A. 802.11n
  • B. 802.11a
  • C. 802.11g
  • D. 802.11b
Reveal Solution  Discussion  0

Correct Answer: C,D  🗳️

Question #5

Which of the following versions of SNMP supports the encryption feature?

  • A. SNMP 2c
  • B. SNMP 1
  • C. SNMPv3
  • D. SNMP 2
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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