Instant Download Cisco : 642-551 Questions & Answers as PDF & Test Engine
Updated: Sep 16, 2026
No. of Questions: 62 Questions & Answers with Testing Engine
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- Total Questions: 62
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Elaborate compilation is invisible in the adjectives and visible in the questions. Judge the NewPassLeader Cisco Securing Cisco Network Devices Exam(SND) collection directly: a free demo, 62 practice questions behind it, every answer verified.
Cisco 642-551 Exam Overview:
| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Securing Cisco Network Devices (SND) |
| Exam Number: | 642-551 |
| Related Certifications: | CCNP Security CCIE Security |
| Available Languages: | English |
| Exam Format: | Multiple Choice, Simulation |
| Exam Price: | $200–$250 USD (retired rate) |
| Certificate Validity Period: | 3 years |
| Passing Score: | 825 (scale 300–1000) |
| Real Exam Qty: | 62 |
| Exam Duration: | 90 minutes |
| Recommended Training: | Securing Cisco Network Devices (SND) course |
| Exam Registration: | Pearson VUE |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Onsite at Pearson VUE testing centers (retired) |
| Pre Condition: | Valid CCNA certification or equivalent knowledge |
| Official Syllabus URL: | https://www.cisco.com |
Cisco 642-551 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Secure Remote Access with VPN | 10% | - VPN fundamentals and IPsec basics - VPN 3000 Concentrator overview |
| Cisco IPS and HIPS Technologies | 15% | - Intrusion prevention concepts and deployment - Cisco IOS IPS and Cisco Security Agent overview |
| Securing Layer 2 Network Infrastructure | 20% | - Layer 2 security risks and mitigation - Implementing port security, VLAN security, and storm control |
| Securing Cisco IOS Routers | 25% | - Router hardening and AAA implementation - Access control lists (ACLs) and traffic filtering - Control plane security and anti-spoofing |
| Cisco PIX Security Appliance Basics | 15% | - Firewall concepts and PIX architecture - Basic configuration, NAT, and access rules |
| Cisco Security Portfolio Overview | 15% | - Cisco security solutions and product positioning - Network security threats and vulnerabilities |
642-551 Exam FAQ and Honest Answers
Onsite at Pearson VUE testing centers (retired) Register for the Cisco Securing Cisco Network Devices Exam(SND) exam through these official channels:
After booking, NewPassLeader delivers your practice questions within 1 minute — preparation starts the same day.
NewPassLeader issues a full refund if you take the Cisco Securing Cisco Network Devices Exam(SND) exam within 60 days of purchase and do not pass. The policy does not apply if the exam is taken within 3 days of purchase, if the exam was never actually taken, or to free materials or expired orders, and the candidate name must match the payer name. Submit a scan of your enrollment slip and the official Score Report PDF within 2 days of the exam; claims are processed within 7 days. Alternatively, exchange for two free exam products of equal value and keep your original update service. Orders arrive by email within 1 minute — contact support if nothing arrives within 2 hours.
The Cisco Securing Cisco Network Devices Exam(SND) exam requires 825 (scale 300–1000) to pass, and registration costs $200–$250 USD (retired rate). A failed attempt means paying the same fee again — a readiness check with the NewPassLeader engines before booking is the cheaper option.
The official Cisco Securing Cisco Network Devices Exam(SND) outline defines 6 domains. The leading three are Secure Remote Access with VPN (10%), Securing Layer 2 Network Infrastructure (20%), and Cisco IPS and HIPS Technologies (15%). The full list is in the topics section above, and NewPassLeader's 62 practice questions cover each one.
The Cisco Securing Cisco Network Devices Exam(SND) exam contains 62 to complete within 90 minutes. Timed simulation in the NewPassLeader Desktop Test Engine teaches that rhythm before exam day does.
Valid CCNA certification or equivalent knowledge Since requirements change over time, confirm the latest on the official Cisco exam page before scheduling.
Three versions of the same study materials: a printable, expert-prepared PDF with free demo download and instant access; a Desktop Test Engine for Windows that simulates the real exam with two practice modes and works offline; and an Online Test Engine for any browser on Windows, Mac, Android, and iOS with test history and performance review. All 62 practice questions are identical across versions. Every purchase includes 365 days of free updates, a 50% renewal discount afterward, and unlimited computer installations.
The 642-551 exam is a Cisco certification exam validating the Cisco Securing Cisco Network Devices Exam(SND) syllabus shown above. It belongs to these credential paths: CCNP Security, CCIE Security. Earning it in 2026 demonstrates ability in a form employers recognize — and NewPassLeader prepares candidates with 62 practice questions in PDF, Desktop Test Engine, and Online Test Engine formats.
Cisco recommends these training resources for the Cisco Securing Cisco Network Devices Exam(SND) exam:
Follow the training with steady self-testing — the 62 practice questions from NewPassLeader help you apply theory and fill any gaps the training leaves.
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