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: Aug 23, 2026
  • Q & A: 880 Questions and Answers

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

SectionWeightObjectives
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
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
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
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
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
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
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
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

Huawei HCIA-Datacom V1.0 Sample Questions:

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


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


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


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


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

A) SNMP 2c
B) SNMP 1
C) SNMPv3
D) SNMP 2


Solutions:

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

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