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Cisco 642-503 Exam Syllabus Topics:

SectionObjectives
Access Control and Traffic Filtering- Traffic filtering techniques
  • 1. Control plane and data plane filtering
    - ACL implementation
    • 1. Standard and extended ACLs
      • 2. Time-based ACLs
        VPN and Secure Connectivity- Site-to-site VPN configuration concepts
        • 1. Tunnel establishment
          - IPsec fundamentals
          • 1. IKE phases
            • 2. Encryption and authentication methods
              Network Device Security Fundamentals- IOS Security Hardening
              • 1. Password policies and encryption
                • 2. Disabling unused services and ports
                  • 3. Securing administrative access (SSH, Telnet restrictions)
                    - Device vulnerability mitigation
                    • 1. Physical and logical access control
                      • 2. Image and firmware security
                        Secure Routing Protocols- Routing protocol authentication
                        • 1. BGP session security basics
                          • 2. EIGRP authentication
                            • 3. OSPF authentication (MD5)
                              Management and Monitoring Security- AAA services
                              • 1. Authentication, Authorization, Accounting concepts
                                • 2. RADIUS and TACACS+
                                  - Device monitoring tools
                                  • 1. Syslog configuration
                                    • 2. SNMP security considerations
                                      Secure Network Services- NAT and PAT security considerations
                                      • 1. Address translation security implications
                                        - DHCP and DNS security
                                        • 1. DHCP snooping concepts
                                          • 2. DNS attack mitigation basics

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