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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 |
| Exam Price: | USD 150 |
| Certificate Validity Period: | 3 years |
| Exam Duration: | 90 minutes |
| Related Certifications: | CCNP Security (legacy) CCSP |
| Passing Score: | Approx. 800-850 / 1000 (scale 300-1000, not officially published) |
| Available Languages: | English |
| Exam Format: | Drag and Drop, Simulations, Multiple Choice Single Answer, Testlets, Multiple Choice Multiple Answer |
| Real Exam Qty: | 55-65 |
| Recommended Training: | CCSP SNRS Exam Certification Guide |
| Exam Registration: | Pearson VUE (Legacy) |
| Sample Questions: | ![]() |
| 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:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Attack Mitigation and Monitoring | 20% | - Syslog and SNMP security configuration - IOS security best practices and lockdown - Mitigate DoS and spoofing attacks - NTP authentication |
| Topic 2: Secure Router Administrative Access | 20% | - Password policies and privilege levels - Role-based CLI access control - Secure remote management using SSH - Configure AAA with RADIUS/TACACS+ |
| Topic 3: Cisco IOS Security Features | 20% | - Authentication proxy - Security Device Manager (SDM) usage - Control Plane Policing (CoPP) - Implement IOS Firewall and CBAC |
| Topic 4: Access Control and Traffic Filtering | 20% | - Standard and extended ACLs - Reflexive and time-based ACLs - Secure routing protocols - IPsec and Easy VPN configuration |
| Topic 5: Secure Layer 2 Infrastructure | 20% | - Configure DHCP snooping and Dynamic ARP Inspection - Mitigate VLAN hopping and STP attacks - Implement port security - Private VLAN configuration |
Common Questions About the Cisco Securing Networks with Cisco Routers and Switches Exam
The Cisco Securing Networks with Cisco Routers and Switches exam is the official Cisco test registered under exam code 642-503. Passing it earns you the Cisco Certified Security Professional (CCSP) certification, a credential at the Professional level. It is also linked to the related certifications: CCNP Security (legacy), CCSP. Cisco exams are valued because they test job-ready skills, so a passing score here carries real weight on a resume.
The Cisco Securing Networks with Cisco Routers and Switches exam includes 55-65 questions to be completed within 90 minutes. Do the pacing math before exam day: with that many items on the clock, you need a steady rhythm and the discipline to flag a hard question and move on instead of stalling. Two or three full timed sessions with the ActualCollection test engine will show you exactly what that pace feels like, so time pressure stops being a factor on the real day.
To pass the Cisco Securing Networks with Cisco Routers and Switches exam you need Approx. 800-850 / 1000 (scale 300-1000, not officially published), and the official registration fee is USD 150. A retake is not discounted: a failed attempt means paying the full USD 150 again, so treat your first sitting as the expensive one. A sensible rule is to book your seat only after you are scoring comfortably above the passing mark on the ActualCollection practice tests, not just squeaking past it once.
Recommended: CCNA-level knowledge of Cisco routing, switching, and basic security concepts; experience with Cisco IOS
Eligibility rules do change from time to time, so confirm the current requirements before you register.
Registration for the Cisco Securing Networks with Cisco Routers and Switches exam goes through the official channels below.
As for the delivery format, the exam is taken Onsite at authorized Pearson VUE testing centers; RETIRED (no longer offered).
Cisco points candidates toward the following training options for Cisco Securing Networks with Cisco Routers and Switches.
Course work builds the foundation; question practice makes it stick. The 56 practice questions in the ActualCollection 642-503 package let you rehearse each topic under exam-style pressure before the real thing.
Yes. ActualCollection offers a free PDF demo of the Cisco Securing Networks with Cisco Routers and Switches material so you can judge the question quality and format before spending anything. After purchase, your license includes 365 days of free updates, and if you want to keep receiving updates after that period, renewals are available at a 50% discount.
If you take the Cisco Securing Networks with Cisco Routers and Switches exam within 60 days of your purchase and do not pass, ActualCollection backs you with a 100% money-back guarantee. The claim must match the exam your product covers: attempts taken within 3 days of purchase are not eligible (that is too little preparation time), and neither are downloaded-but-unused products, free materials, or expired orders. The candidate name must match the payer name, and you need to submit a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam; claims are processed within 7 days. Prefer not to refund? You can swap instead and receive two other exam products of equal value for free while keeping the update service on your original purchase.
Delivery itself is instant: your files are downloadable right away and emailed to you within one minute of payment. If nothing arrives within 2 hours, contact customer service. There is no limit on how many computers you may install the software on.
The official Cisco Securing Networks with Cisco Routers and Switches syllabus is organized into 5 domains. Key areas include Secure Router Administrative Access (20%), Attack Mitigation and Monitoring (20%), and Secure Layer 2 Infrastructure (20%). The complete, up-to-date topic list appears in the exam topics section above; work through it line by line and flag anything you cannot yet explain in your own words.






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