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Exam Information
Official specifications published by Huawei
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H12-811 Exam Topics and Domains
H12-811 is organized into 10 weighted domains. Expect to work with DHCP, FTP, TCP, UDP, and more.
Data communication and network basics
Basic Knowledge of Routing and Switching
- Understand basic routing and switching concepts
- Identify differences between routers and switches
Basic network concepts, IP network architecture, and standardization organizations and protocols
- Describe basic network concepts
- Identify major standardization organizations
OSI and TCP/IP protocol models, functions of each layer, and packet encapsulation
- Describe OSI and TCP/IP models
- Explain packet encapsulation process
ARP Principles
- Explain ARP operation principles
- Troubleshoot ARP-related issues
TCP/UDP Principles
- Compare TCP and UDP protocols
- Identify appropriate protocol for scenarios
Data Forwarding Process
- Describe data forwarding process
- Differentiate switching vs routing
Basic Concepts and Life Cycle of Campus Network
- Understand campus network concepts
- Describe network lifecycle phases
Basic Principles and Operations of the VRP
- Navigate VRP operating system
- Perform basic device configurations
Build an IP network with interconnection and interworking
IPv4 basics (basic concepts, address classification, and subnet division)
- Calculate subnet addresses
- Design IP addressing schemes
- Apply VLSM techniques
Basics of IP Routing and Forwarding Principles of Layer 3 Devices
- Understand routing table structure
- Explain routing decision process
Principles of static routing, basic principles of OSPF protocol, and implementation in VRP
- Configure static routing
- Implement OSPF in single and multi-area designs
- Troubleshoot OSPF neighbor adjacencies
How to use static route and OSPF technologies to build small-sized routing network in Huawei Router
- Build small-scale routed networks
- Configure and verify routing protocols on Huawei devices
Ethernet switching network construction
Ethernet technology and basic principles of switches
- Describe Ethernet technology
- Explain switch MAC learning and forwarding
STP, RSTP, and VLAN Principles and Implementation in the VRP
- Configure and troubleshoot STP/RSTP
- Design and implement VLANs
- Configure trunk and access ports on Huawei switches
Basic principles and configuration of technologies such as link aggregation and stacking
- Implement link aggregation for redundancy and bandwidth
- Understand switch stacking concepts
How to use technologies such as STP, RSTP, and VLAN to build a small-scale switching network
- Build small-scale campus switching networks
- Integrate VLANs and spanning tree protocols
Cyber security infrastructure and network access
Basic Principles and Configuration Methods of ACLs
- Configure ACLs for traffic filtering
- Apply ACLs to interface directions
AAA Principles and Application Scenarios
- Understand AAA concepts
- Identify AAA application scenarios
Basic Principles of NAT
- Explain NAT operation principles
- Compare different NAT types
NAT Application Scenarios and Configuration Methods
- Configure NAT on Huawei devices
- Troubleshoot NAT issues
Network services and applications
Basic Principles of Telnet, FTP, TFTP, DHCP, DNS, NTP, and HTTP
- Understand common network service protocols
- Identify appropriate protocols for scenarios
Configuration of FTP, DHCP and Telnet
- Configure network services on Huawei devices
- Verify and troubleshoot service operations
WLAN basics
Basic Concepts of WLAN (802.11 Protocol Family, Basic Devices, and Basic Networking)
- Understand WLAN standards and technologies
- Identify WLAN components and topologies
WLAN Basic Working Process
- Describe WLAN client connection process
- Explain WLAN roaming principles
Basic WLAN Configuration
- Configure basic WLAN on Huawei AC
- Verify WLAN operations
WAN basics
Basic WAN Concepts
- Understand basic WAN concepts
- Differentiate WAN technologies
PPP and PPPoE Configuration
- Configure PPP on WAN links
- Implement PPPoE for broadband connections
Basic Concepts of MPLS/SR
- Understand MPLS fundamentals
- Recognize Segment Routing concepts
Network management and O&M
Basic Concepts of Network Management
- Understand network management concepts
- Identify management functions
SNMP Protocol Basics
- Explain SNMP operation principles
- Compare SNMP versions
Basic Concepts of Huawei SDN Solution
- Understand SDN fundamentals
- Recognize Huawei SDN solutions
IPv6 basics
IPv6 basics (address format, packet format, and address classification)
- Understand IPv6 address structure
- Identify IPv6 address types
IPv6 Address Configuration Method and Process
- Configure IPv6 addresses using different methods
- Explain NDP and ICMPv6 functions
IPv6 Static Route Configuration
- Configure IPv6 static routes
- Verify IPv6 connectivity
SDN and automation basics
Basic SDN Concepts and Huawei Products and Solutions
- Understand SDN architecture
- Identify Huawei SDN products
Basic NFV Concepts and Huawei Products and Solutions
- Understand NFV fundamentals
- Recognize Huawei NFV solutions
Basic Concepts of Automatic O&M
- Understand network automation benefits
- Identify automation scenarios
Python Basics
- Understand basic Python programming
- Recognize Python's role in network automation
How do I earn this certification?
Passing H12-811 earns the HCIA-Datacom certification. It sits in the Datacom track.
- H12-821 - HCIP-Datacom-Core Technology V1.0Professional-level core technology exam covering advanced routing, switching, multicast, IPv6, network security, and reliability • Required for HCIP-Datacom-Core Technology certification
- H12-831 - HCIP-Datacom-Advanced Routing & Switching TechnologyAdvanced routing and switching technologies • Requires both H12-821 and H12-831 for HCIP-Datacom-Advanced Routing & Switching Technology certification
- H12-841_V1.5 - HCIP-Datacom-Campus Network Planning and Deployment V1.5 Campus network planning, design, and deployment
- H13-611 - HCIA-Storage V5.0Complementary skills for infrastructure engineers
- H13-211 - HCIA-Intelligent Computing V1.0 Expand into computing infrastructure
- H13-711 - HCIA-Security V4.0Network security specialization
- H13-821 - HCIP-Cloud Service Solutions Architect V1.0 Cloud networking and services
Practice with Precision
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How to study for this exam?
The most effective way to prepare for H12-811 is by using the PlanetCert Simulator to practice questions and review detailed explanations.
What's changed on this exam?
- ACTIVE
- Last content update: 2020-04-18
- SDN (Software-Defined Networking) Current focus in all levels SDN basics now account for 3% of HCIA-Datacom exam, with increased emphasis at HCIP and HCIE levels • Release date: 2020-onwards
- Network Automation and Python Python 3.x basics Python basics included in HCIA-Datacom exam under SDN and automation domain (3%) • Release date: 2020-onwards
- VXLAN Current Introduced in Datacom certification, basic concepts at HCIA level, advanced implementation at HCIP/HCIE • Release date: 2020-onwards
- Segment Routing (SR/SRv6) Current Basic concepts introduced in HCIA-Datacom exam under WAN basics domain • Release date: 2020-onwards
- IPv6 Current standard IPv6 basics account for 5% of HCIA-Datacom exam, reflecting global IPv6 adoption • Release date: Ongoing emphasis
- WLAN (802.11ax/Wi-Fi 6) Current generation WLAN basics updated to include modern standards, accounts for 10% of exam • Release date: 2020-onwards
Who should take this exam?
This exam is typically taken by Entry-level network engineers and IT professionals seeking Huawei certification.
- Basic understanding of networking concepts
- Familiarity with IP addressing and TCP/IP
- Understanding of OSI and TCP/IP models