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Exam Information
Official specifications published by Huawei
Exam Format
90 min
60-80
600
Professional
Registration
$180 USD
Pearson VUE or online proctoring
Validity
3 years
Pass any HCIE written exam before expiration; Pass any two HCIP exams before expiration; Pass any HCIP exam and earn 60 Huawei continuing education credits
H12-821 Exam Topics and Domains
H12-821 is organized into 13 weighted domains. Expect to work with Huawei switch security features, Huawei VRP route-policy, 802.1X with RADIUS, AC (Access Controller) and AP, and more.
1
Routing Basics
3%
IP Routing Fundamentals
RIB and FIBRoute Import Scenarios
- Understand the relationship between RIB and FIB
- Configure route import and redistribution
- Apply route filtering policies
2
OSPF Core Knowledge
16%
OSPF Fundamentals
OSPF Protocol BasicsOSPF LSA TypesOSPF Route CalculationOSPF Special AreasOSPF Network Types
- Configure OSPF single-area and multi-area networks
- Understand and troubleshoot OSPF neighbor relationships
- Implement OSPF special areas for network optimization
- Analyze OSPF LSA database and route calculation
3
IS-IS Core Knowledge
8%
IS-IS Protocol Fundamentals
IS-IS BasicsIS-IS Route CalculationIS-IS Advanced Features
- Configure IS-IS routing protocol
- Understand IS-IS addressing and levels
- Implement IS-IS route optimization
- Troubleshoot IS-IS routing issues
4
BGP Core Knowledge
17%
BGP Fundamentals
BGP Protocol BasicsBGP Path AttributesBGP Route SelectionBGP Advanced FeaturesBGP Security and Optimization
- Configure eBGP and iBGP sessions
- Understand and manipulate BGP path attributes
- Implement BGP route reflectors and confederations
- Apply BGP policies for traffic engineering
- Troubleshoot BGP routing issues
5
Routing and Traffic Control
10%
Routing Policy and Control
Route Policy MechanismsPolicy-Based Routing (PBR)Traffic Engineering
- Configure routing policies for traffic control
- Implement Policy-Based Routing
- Apply traffic engineering techniques
- Optimize network traffic flows
6
Switching Core Knowledge
7%
Ethernet Switching Technologies
VLAN TechnologiesSpanning Tree ProtocolsLink AggregationEthernet Switching Advanced Features
- Configure VLANs and trunking
- Implement spanning tree protocols
- Configure link aggregation
- Apply switch security features
7
Multicast Basics
9%
IP Multicast Fundamentals
Multicast BasicsIGMP (Internet Group Management Protocol)PIM (Protocol Independent Multicast)
- Understand multicast addressing and operation
- Configure IGMP for multicast group management
- Implement PIM for multicast routing
- Troubleshoot multicast forwarding issues
8
IPv6 Core Knowledge
3%
IPv6 Fundamentals
IPv6 BasicsIPv6 Address ConfigurationIPv6 Routing
- Configure IPv6 addressing
- Understand IPv6 autoconfiguration mechanisms
- Implement IPv6 routing protocols
- Troubleshoot IPv6 connectivity issues
9
Network Security Basics
9%
Network Security Fundamentals
Access Control Lists (ACLs)AAA (Authentication, Authorization, Accounting)Network Address Translation (NAT)Network Security Technologies
- Configure and apply ACLs for traffic filtering
- Implement AAA for user authentication
- Configure NAT for address translation
- Apply network security features on switches
10
Network Reliability Basics
8%
Network Reliability Technologies
BFD (Bidirectional Forwarding Detection)VRRP (Virtual Router Redundancy Protocol)Network Redundancy Technologies
- Configure BFD for fast failure detection
- Implement VRRP for gateway redundancy
- Design network redundancy solutions
- Troubleshoot network reliability issues
11
Network Service and Management
2%
Network Services
DHCP ServicesNetwork Management Protocols
- Configure DHCP services
- Implement network management protocols
- Configure device monitoring and logging
- Ensure time synchronization with NTP
12
Large-scale WLAN Architecture
6%
WLAN Fundamentals
WLAN BasicsCAPWAP ProtocolWLAN SecurityWLAN Optimization
- Understand WLAN architecture and components
- Configure CAPWAP for AC-AP communication
- Implement WLAN security mechanisms
- Optimize WLAN performance and coverage
13
Network Solution
2%
Enterprise Network Solutions
Network Design PrinciplesNetwork Deployment and Troubleshooting
- Design enterprise network architectures
- Apply network design best practices
- Troubleshoot complex network issues
- Document network configurations and changes
How do I earn this certification?
Passing H12-821 earns the HCIP-Datacom (with specialization) certification. It sits in the Datacom track.
Next Level Options
H12-891 - HCIE-Datacom V1.0 Written ExamExpert-level certification for advanced network architects and specialists
Practice with Precision
The PlanetCert Simulator mirrors the real exam environment with authentic questions and timed pressure.
How to study for this exam?
The most effective way to prepare for H12-821 is by using the PlanetCert Simulator to practice questions and review detailed explanations.
What's changed on this exam?
Current Status
- ACTIVE
- Last content update: 2024-09-01
- Announcement date: 2020-09-15
Updates
- SD-WAN Huawei SD-WAN 3.0 Increasing coverage in H12-871 SD-WAN concentration exam • Release date: 2024-05-01
- Network Automation Python 3.x, NETCONF, RESTCONF Core topic in H12-881 Network Automation Developer track • Release date: Ongoing
- Wi-Fi 6 (802.11ax) Wi-Fi 6E Updated WLAN standards in large-scale WLAN architecture domain • Release date: 2023-2024
- IPv6 Segment Routing (SRv6) SRv6 updates Advanced IPv6 topics may be added in future exam updates • Release date: 2024
Who should take this exam?
This exam is typically taken by Network engineers seeking professional-level Huawei certification and IT professionals working with Huawei data communication technologies.