Instant Download Cisco : 642-551 Questions & Answers as PDF & Test Engine
Updated: Sep 04, 2026
No. of Questions: 62 Questions & Answers with Testing Engine
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- Total Questions: 62
- Updated on: Sep 04, 2026
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- Total Questions: 62
- Updated on: Sep 04, 2026
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- Total Questions: 62
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From a free demo to downloadable study files and browser-based practice, Actual4dump keeps 642-551 preparation in one place. Candidates preparing for Cisco Securing Cisco Network Devices Exam(SND) in 2026 can review 62 practice questions, track progress, and keep materials current with free updates.
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Cisco 642-551 Exam Overview:
| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Securing Cisco Network Devices (SND) |
| Exam Number: | 642-551 |
| Available Languages: | English |
| Exam Price: | $200–$250 USD (retired rate) |
| Passing Score: | 825 (scale 300–1000) |
| Exam Format: | Simulation, Multiple Choice |
| Related Certifications: | CCNP Security CCIE Security |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | 62 |
| Certificate Validity Period: | 3 years |
| 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 |
|---|---|---|
| Topic 1: Securing Cisco IOS Routers | 25% | - Control plane security and anti-spoofing - Router hardening and AAA implementation - Access control lists (ACLs) and traffic filtering |
| Topic 2: Cisco PIX Security Appliance Basics | 15% | - Firewall concepts and PIX architecture - Basic configuration, NAT, and access rules |
| Topic 3: Cisco IPS and HIPS Technologies | 15% | - Cisco IOS IPS and Cisco Security Agent overview - Intrusion prevention concepts and deployment |
| Topic 4: Secure Remote Access with VPN | 10% | - VPN fundamentals and IPsec basics - VPN 3000 Concentrator overview |
| Topic 5: Securing Layer 2 Network Infrastructure | 20% | - Layer 2 security risks and mitigation - Implementing port security, VLAN security, and storm control |
| Topic 6: Cisco Security Portfolio Overview | 15% | - Network security threats and vulnerabilities - Cisco security solutions and product positioning |
Cisco 642-551 Exam Questions Answered
The 642-551 exam leads to the CCSP (Cisco Certified Security Professional) certification from Cisco. It is positioned at the Professional level. The exam validates the knowledge and skills expected of candidates preparing for Cisco Securing Cisco Network Devices Exam(SND).
Related certifications include:
- CCNP Security
- CCIE Security
The 642-551 exam includes 62 questions and allows 90 minutes. Before test day, divide the available time by the number of questions in a timed practice set to establish a steady per-question pace. If a difficult item starts consuming too much time, mark it for review and move forward instead of losing momentum. A full timed practice session can help you decide when to move on, when to return, and how much buffer to reserve for a final check.
The passing score for 642-551 is 825 (scale 300–1000), and the official exam fee is $200–$250 USD (retired rate). Because a retake requires paying the exam fee again, use timed practice results as a readiness check before scheduling your next attempt. If your performance remains inconsistent, continue reviewing weak domains and repeat a timed session before booking the exam.
Valid CCNA certification or equivalent knowledge
Eligibility rules can change, so confirm the current requirements on the official exam page before registering.
You can register through the official channels listed below:
The available exam delivery method is Onsite at Pearson VUE testing centers (retired).
The official training options include:
After reviewing the recommended training, reinforce what you learned with Actual4dump's 62 practice questions for 642-551.
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If you purchase the corresponding 642-551 preparation material and do not pass that exam within 60 days of purchase, you may apply for a full refund under the 100% Money Back Guarantee. The request requires a scanned exam enrollment slip and the official Score Report PDF, submitted within two days after the exam. Eligible requests are processed within seven days.
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The current 642-551 outline is organized into 6 top-level domains. The first listed areas include:
- Securing Cisco IOS Routers (25%)
- Cisco PIX Security Appliance Basics (15%)
- Securing Layer 2 Network Infrastructure (20%)
Review the Exam Topics section above for the complete outline and any nested subtopics.
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