Certification Path

It is recommended that you learn HCIA-Routing & Switching before attempting for H12-221 exam certification.

Who should take the H12-221 exam

The Huawei H12-221 Exam is for networking engineers ,ICT professionals or students interested in datacom network technologies.

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• H12-221 exam

Reference: http://support.huawei.com/learning/Certificate!toExamOutlineDetail?lang=en&nodeId=Node1000003918

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H12-221 Exam topics

Candidates must know the exam topics before they start of preparation. Because it will really help them in hitting the core. Our H12-221 exam dumps will include the following topics:

1. OSPF Routing Protocols (28%)

• OSPF principles, configuration, and implementation: neighbor and adjacency,protocol packet and LSA, database synchronization, intra-area route calculation, inter-area route calculation, and external route calculation
• Basic principles of link state routing protocols
• Principles and configuration of OSPF special areas: stub area, totally stub area, and not-so-stubby area (NSSA)

2. ISIS Routing Protocols (4%)

• ISIS basic principles and configurations
• Differences between IS-IS and OSPF

_3. BGP Routing Protocols(26%%)

• BGP route selection rules
• BGP route advertisement rules
• BGP neighbor relationship establishment and configuration
• Common BGP attributes
• BGP route generation modes

4. Routing Control(14%)

• Routing policy tools and policy-based routing tools
• Route filtering by using filtering tools such as ACL, IP-prefix
• Problems caused by route importing and solutions

5. Multicast Protocols(16%)

• Basic principles and configuration of IGMPv1/v2/v3 and IGMP snooping
• Basic principles and configuration of PIM-DM and PIM-SM

6. Eth-Trunk Technology(3%)

• Eth-Trunk configuration
• Eth-Trunk modes

7. Advanced Features of Switches(2%)

• Port Isolation: application scenario and configuration
• MUX VLAN: application scenario and configuration
• Port Security: application scenario and configuration

8. RSTP/MSTP(7%)

• Limitations of STP, improvements in RSTP, RSTP configuration
• Limitations of a single spanning Tree, MSTP principles and configuration