Cisco 642-502 Exam : Securing Networks with Cisco Routers and Switches Exam(SNRS)

642-502
  • Exam Code: 642-502
  • Exam Name: Securing Networks with Cisco Routers and Switches Exam(SNRS)
  • Updated: Sep 17, 2026
  • Q & A: 63 Questions and Answers

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Cisco 642-502 Exam Syllabus Topics:

SectionObjectives
Secure Access and Authentication- AAA (Authentication, Authorization, Accounting)
  • 1. Local authentication and fallback methods
    • 2. RADIUS and TACACS+ configuration
      - Secure management access
      • 1. Secure Telnet alternatives and restrictions
        • 2. SSH configuration and hardening
          VPN and Secure Connectivity- Remote access security
          • 1. Authentication for remote users
            • 2. VPN client concepts
              - IPSec fundamentals
              • 1. Site-to-site VPN configuration concepts
                • 2. IKE phases and negotiation
                  Secure Routing and Traffic Control- Routing protocol security
                  • 1. OSPF authentication
                    • 2. EIGRP security mechanisms
                      - Access Control Lists (ACLs)
                      • 1. Traffic filtering and policy enforcement
                        • 2. Standard and extended ACL design
                          Threat Defense and Monitoring- Network monitoring tools
                          • 1. Syslog configuration and logging levels
                            • 2. SNMP security considerations
                              - Basic intrusion detection concepts
                              • 1. Traffic anomaly detection basics
                                • 2. IOS IPS features overview
                                  Device Hardening and Secure Network Infrastructure- Router and switch security features
                                  • 1. Password policies and encryption
                                    • 2. Disabling unused services and ports
                                      - Layer 2 security
                                      • 1. Port security
                                        • 2. DHCP snooping and Dynamic ARP Inspection

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