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H3C GB0-520 Exam Syllabus Topics:

Section	Objectives
Topic 1: IPsec VPN	- IPsec fundamentals 1. AH and ESP protocols 2. IKE negotiation process - IPsec configuration and deployment 1. Policy-based vs route-based VPN 2. Common deployment scenarios
Topic 2: MPLS VPN Basics	- MPLS VPN concepts 1. VRF and route separation 2. PE and CE roles
Topic 3: Security and Policy Control	- Traffic filtering and policies 1. Firewall integration with VPN 2. ACL-based control
Topic 4: VPN Fundamentals	- VPN concepts and architectures 1. Site-to-site vs remote access VPN 2. VPN tunneling principles - Encryption and security basics 1. Symmetric vs asymmetric encryption overview 2. Hashing and integrity mechanisms
Topic 5: GRE and Tunnel Technologies	- GRE tunneling 1. GRE encapsulation mechanism 2. Use cases for GRE tunnels
Topic 6: SSL VPN	- SSL VPN configuration 1. Access control policies 2. User authentication methods - SSL VPN principles 1. Clientless vs client-based SSL VPN 2. SSL/TLS handshake basics
Topic 7: VPN Troubleshooting	- Diagnostics tools and methods 1. Connectivity testing 2. Log analysis and debugging - Common VPN issues 1. IKE negotiation failures 2. Tunnel establishment problems