Cisco 642-637 : Securing Networks with Cisco Routers and Switches (SECURE) v1.0

642-637 real exams

Exam Code: 642-637

Exam Name: Securing Networks with Cisco Routers and Switches (SECURE) v1.0

Updated: Sep 08, 2026

Q & A: 136 Questions and Answers

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Cisco 642-637 Exam Syllabus Topics:

SectionObjectives
Topic 1: Secure Management and Monitoring- Secure device management
  • 1. SSH configuration
    • 2. SNMPv3 security
      - Logging and monitoring practices
      Topic 2: Layer 2 Security- Switch security mechanisms
      • 1. Port security
        • 2. Dynamic ARP Inspection (DAI)
          • 3. STP protection features
            • 4. DHCP snooping
              Topic 3: Network Security Fundamentals- Security principles and threat models
              - Cisco security architecture overview
              Topic 4: Authentication, Authorization, and Accounting (AAA)- AAA configuration and deployment
              • 1. Local and centralized authentication
                • 2. RADIUS and TACACS+
                  Topic 5: VPN Technologies- IPsec VPN implementation
                  • 1. Remote access VPN concepts
                    • 2. Site-to-site VPNs
                      Topic 6: Device Hardening- Router and switch hardening techniques
                      • 1. Disable unused services and ports
                        • 2. Secure IOS configuration practices
                          Topic 7: Secure Routing and Infrastructure- Infrastructure protection mechanisms
                          - Routing protocol security
                          • 1. EIGRP authentication
                            • 2. OSPF authentication

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