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Cisco 642-551 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Securing Layer 2 Network Infrastructure | 20% | - Implementing port security, VLAN security, and storm control - Layer 2 security risks and mitigation |
| Topic 2: Securing Cisco IOS Routers | 25% | - Control plane security and anti-spoofing - Access control lists (ACLs) and traffic filtering - Router hardening and AAA implementation |
| Topic 3: Cisco PIX Security Appliance Basics | 15% | - Basic configuration, NAT, and access rules - Firewall concepts and PIX architecture |
| Topic 4: Cisco IPS and HIPS Technologies | 15% | - Intrusion prevention concepts and deployment - Cisco IOS IPS and Cisco Security Agent overview |
| Topic 5: Secure Remote Access with VPN | 10% | - VPN 3000 Concentrator overview - VPN fundamentals and IPsec basics |
| Topic 6: Cisco Security Portfolio Overview | 15% | - Network security threats and vulnerabilities - Cisco security solutions and product positioning |






