Cisco 642-502 Exam Information and Actual Questions

  • Exam Code/Number: 642-502
  • Exam Name/Title: Securing Networks with Cisco Routers and Switches Exam(SNRS)
  • Certification Provider: Cisco
  • Corresponding Certification: CCSP
  • Exam Questions: 63
  • Updated On: Jul 20, 2026

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

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Cisco 642-502 Exam Overview:

Certification Vendor:Cisco
Exam Name:Securing Networks with Cisco Routers and Switches (SNRS)
Exam Number:642-502
Exam Price:Varies by region (historically ~USD 200-300; currently retired)
Available Languages:English
Related Certifications:CCNP Security (legacy)
CCNA Security (prerequisite knowledge recommended)
Real Exam Qty:45-65 (varies by exam version)
Exam Duration:90-120
Passing Score:N/A (historically Cisco scaled score, typically ~790/1000, may vary by exam version)
Exam Format:Multiple choice, Multiple answer, Simulation-based questions (lab scenarios)
Certificate Validity Period:Retired (legacy Cisco certification exam; no longer offered)
Recommended Training:Cisco Learning Network (Security Training Resources)
CCNP Security Learning Resources
Exam Registration:Cisco Certification Exam Registration
Pearson VUE Cisco Exams
Sample Questions:Cisco 642-502 Sample Questions
Exam Way:Proctored exam delivered via Pearson VUE testing centers or online proctoring (historically)
Pre Condition:Recommended: Cisco CCNA-level networking knowledge; familiarity with routing and switching fundamentals.
Official Syllabus URL:https://www.cisco.com/c/en/us/training-events/training-certifications/exams.html

Cisco 642-502 Exam Syllabus Topics:

SectionObjectives
Topic 1: Secure Routing and Traffic Control- Access Control Lists (ACLs)
  • 1. Standard and extended ACL design
    • 2. Traffic filtering and policy enforcement
      - Routing protocol security
      • 1. EIGRP security mechanisms
        • 2. OSPF authentication
          Topic 2: Device Hardening and Secure Network Infrastructure- Router and switch security features
          • 1. Disabling unused services and ports
            • 2. Password policies and encryption
              - Layer 2 security
              • 1. DHCP snooping and Dynamic ARP Inspection
                • 2. Port security
                  Topic 3: VPN and Secure Connectivity- IPSec fundamentals
                  • 1. IKE phases and negotiation
                    • 2. Site-to-site VPN configuration concepts
                      - Remote access security
                      • 1. VPN client concepts
                        • 2. Authentication for remote users
                          Topic 4: Secure Access and Authentication- AAA (Authentication, Authorization, Accounting)
                          • 1. RADIUS and TACACS+ configuration
                            • 2. Local authentication and fallback methods
                              - Secure management access
                              • 1. SSH configuration and hardening
                                • 2. Secure Telnet alternatives and restrictions
                                  Topic 5: Threat Defense and Monitoring- Network monitoring tools
                                  • 1. Syslog configuration and logging levels
                                    • 2. SNMP security considerations
                                      - Basic intrusion detection concepts
                                      • 1. IOS IPS features overview
                                        • 2. Traffic anomaly detection basics


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