Cisco 642-503 Q&A - in .pdf

  • Exam Code: 642-503
  • Exam Name: Securing Networks with Cisco Routers and Switches
  • Updated: Jul 21, 2026
  • Q & A: 56 Questions and Answers
  • PDF Price: $49.98
  • Printable Cisco 642-503 PDF Format. It is an electronic file format regardless of the operating system platform.
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Cisco 642-503 Q&A - Testing Engine

  • Exam Code: 642-503
  • Exam Name: Securing Networks with Cisco Routers and Switches
  • Updated: Jul 21, 2026
  • Q & A: 56 Questions and Answers
  • Install on multiple computers for self-paced, at-your-convenience training.
  • PC Test Engine Price: $49.98
  • Testing Engine

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Cisco 642-503 Exam Syllabus Topics:
SectionObjectives
Topic 1: Network Device Security Fundamentals- Device vulnerability mitigation
  • 1. Image and firmware security
    • 2. Physical and logical access control
      - IOS Security Hardening
      • 1. Password policies and encryption
        • 2. Disabling unused services and ports
          • 3. Securing administrative access (SSH, Telnet restrictions)
            Topic 2: Access Control and Traffic Filtering- ACL implementation
            • 1. Standard and extended ACLs
              • 2. Time-based ACLs
                - Traffic filtering techniques
                • 1. Control plane and data plane filtering
                  Topic 3: Secure Routing Protocols- Routing protocol authentication
                  • 1. BGP session security basics
                    • 2. OSPF authentication (MD5)
                      • 3. EIGRP authentication
                        Topic 4: VPN and Secure Connectivity- Site-to-site VPN configuration concepts
                        • 1. Tunnel establishment
                          - IPsec fundamentals
                          • 1. IKE phases
                            • 2. Encryption and authentication methods
                              Topic 5: Secure Network Services- NAT and PAT security considerations
                              • 1. Address translation security implications
                                - DHCP and DNS security
                                • 1. DNS attack mitigation basics
                                  • 2. DHCP snooping concepts
                                    Topic 6: Management and Monitoring Security- Device monitoring tools
                                    • 1. SNMP security considerations
                                      • 2. Syslog configuration
                                        - AAA services
                                        • 1. RADIUS and TACACS+
                                          • 2. Authentication, Authorization, Accounting concepts

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