Cisco 642-503 Valid Dumps - Securing Networks with Cisco Routers and Switches

Updated: Sep 18, 2026
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Cisco 642-503 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Attack Mitigation and Monitoring20%- IOS security best practices and lockdown
- Syslog and SNMP security configuration
- Mitigate DoS and spoofing attacks
- NTP authentication
Topic 2: Cisco IOS Security Features20%- Authentication proxy
- Security Device Manager (SDM) usage
- Implement IOS Firewall and CBAC
- Control Plane Policing (CoPP)
Topic 3: Secure Router Administrative Access20%- Role-based CLI access control
- Secure remote management using SSH
- Configure AAA with RADIUS/TACACS+
- Password policies and privilege levels
Topic 4: Secure Layer 2 Infrastructure20%- Implement port security
- Private VLAN configuration
- Configure DHCP snooping and Dynamic ARP Inspection
- Mitigate VLAN hopping and STP attacks
Topic 5: Access Control and Traffic Filtering20%- Standard and extended ACLs
- IPsec and Easy VPN configuration
- Secure routing protocols
- Reflexive and time-based ACLs

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