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

Cisco 642-503 Actual PDF
  • Exam Code: 642-503
  • Exam Name: Securing Networks with Cisco Routers and Switches
  • Updated: Sep 15, 2026
  • Q & A: 56 Questions and Answers
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About Cisco 642-503 Exam

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Cisco 642-503 Exam Overview:

Certification Vendor:Cisco
Exam Name:Securing Networks with Cisco Routers and Switches (SNRS)
Exam Number:642-503
Related Certifications:CCSP
CCNP Security (legacy)
Real Exam Qty:55-65
Exam Price:USD 150
Passing Score:Approx. 800-850 / 1000 (scale 300-1000, not officially published)
Certificate Validity Period:3 years
Available Languages:English
Exam Duration:90 minutes
Exam Format:Multiple Choice Single Answer, Multiple Choice Multiple Answer, Testlets, Drag and Drop, Simulations
Recommended Training:CCSP SNRS Exam Certification Guide
Exam Registration:Pearson VUE (Legacy)
Sample Questions:Free Download 642-503 Test PDF
Exam Way:Onsite at authorized Pearson VUE testing centers; RETIRED (no longer offered)
Pre Condition:Recommended: CCNA-level knowledge of Cisco routing, switching, and basic security concepts; experience with Cisco IOS

Cisco 642-503 Exam Syllabus Topics:

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

Clear Answers for Cisco Securing Networks with Cisco Routers and Switches Candidates

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The Cisco Securing Networks with Cisco Routers and Switches blueprint covers these principal domains:

  • Secure Router Administrative Access (20%)
  • Access Control and Traffic Filtering (20%)
  • Secure Layer 2 Infrastructure (20%)

The remaining domains appear in the full official outline, all of which our bank addresses.

As of the latest information, the passing score for the 642-503 exam is Approx. 800-850 / 1000 (scale 300-1000, not officially published) and the fee is USD 150. Cisco can revise both, so confirm the current figures on the official site before registering.

Registration runs through the official channels below:

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Cisco recommends these official training options:

Pick the course matching your experience, then reinforce it with regular question practice.

Cisco lists the following prerequisites for the Cisco Securing Networks with Cisco Routers and Switches: Recommended: CCNA-level knowledge of Cisco routing, switching, and basic security concepts; experience with Cisco IOS.

Per current exam information, the 642-503 exam includes 55-65 questions and allows 90 minutes minutes. Timed practice beforehand makes the format feel routine on the day.

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