You shouldn't have to buy study material on faith. Real4Prep offers a free 642-591 demo of the Cisco Implementing Cisco NAC Appliance questions, so you can inspect the quality of the full 60 set for yourself and purchase only when you're convinced.
Cisco 642-591 Exam Overview:
| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Implementing Cisco NAC Appliance (CANAC) |
| Exam Number: | 642-591 |
| Passing Score: | Approx 750 / 1000 scale |
| Exam Format: | Multiple Choice Single Answer, Scenario-Based, Multiple Choice Multiple Answer |
| Related Certifications: | Cisco NAC Appliance Specialist Cisco Certified Security Professional (CCSP) |
| Exam Price: | USD 200-250 (historical, retired) |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | 55-65 |
| Certificate Validity Period: | 3 years (retired since August 2012) |
| Available Languages: | English |
| Recommended Training: | Cisco authorized training: Implementing Cisco NAC Appliance |
| Exam Registration: | Pearson VUE (historical) |
| Sample Questions: |  |
| Exam Way: | Onsite at Pearson VUE authorized test centers; retired, no longer available |
| Pre Condition: | No mandatory prerequisites; CCNA Security or equivalent networking/security knowledge recommended |
| Official Syllabus URL: | https://www.cisco.com/c/en/us/training-events/training-certifications/exams/retired.html |
Cisco 642-591 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: User Authentication and Authorization | 20% | - LDAP and Active Directory integration - Guest access configuration - RADIUS authentication - Local user database - Role-based access control |
| Topic 2: Monitoring, Maintenance and Troubleshooting | 5% | - Common troubleshooting scenarios - Logging and reporting - System backup and restore |
| Topic 3: Endpoint Compliance and Posture Assessment | 20% | - Antivirus and antispyware verification - Custom compliance policies - Posture validation rules - OS and patch level checks - Remediation and quarantine flow |
| Topic 4: Installation and Initial Configuration | 20% | - Hardware and software requirements - Licensing and activation - Initial setup of CAM and CAS - Administrative access and management - Network connectivity configuration |
| Topic 5: Network Access Enforcement | 15% | - Quarantine and production access - Traffic filtering and policies - VLAN assignment and segmentation - High availability and failover |
| Topic 6: Cisco NAC Appliance Architecture | 20% | - Solution components - In-band vs Out-of-band deployment modes - Clean Access Server (CAS) functions - Clean Access Manager (CAM) functions - Clean Access Agent (CAA) operation |
Thinking About the 642-591 Exam? Read This First
The official Cisco Implementing Cisco NAC Appliance blueprint is split into 6 domains, starting with Installation and Initial Configuration (20%), User Authentication and Authorization (20%), Endpoint Compliance and Posture Assessment (20%). The percentages tell you where the exam concentrates its questions, so budget your study time accordingly — the complete outline above lists every domain and subtopic.
The Cisco Implementing Cisco NAC Appliance is Cisco's official exam for the Cisco NAC Appliance Specialist / Cisco Certified Security Professional (CCSP) certification, positioned at the Specialist / Professional level. It is the credential hiring managers scan for, and passing it proves your skills meet the vendor's own standard. It also links to related certifications like Cisco Certified Security Professional (CCSP), Cisco NAC Appliance Specialist, so this exam can serve as a building block in a longer certification plan.
Registration goes through the vendor's official channels:
Worth knowing before you book: the 642-591 exam is delivered Onsite at Pearson VUE authorized test centers; retired, no longer available, so pick the delivery option that works best for you.
The official registration fee is USD 200-250 (historical, retired), and you will need Approx 750 / 1000 scale to pass. Here is the part people forget: fail, and the retake costs the same full fee again — there is no discount for a second attempt. Drill with the 60 practice questions from Real4Prep until your scores are consistently past the mark, and only then spend that fee.
Yes — a free PDF demo lets you inspect the question quality and format before you pay a cent. Once you purchase, your Cisco Implementing Cisco NAC Appliance material comes with 365 days of free updates, and if that update period ever lapses, extending it costs just 50% of the price in your member zone.
The exam contains 55-65 questions to be finished within 90 minutes. That ratio is tighter than most candidates expect, which is why pacing matters as much as knowledge. Practice skipping and returning to hard questions, set yourself a per-question time budget, and complete at least two full timed mock exams in the Real4Prep engine so you feel the clock pressure before it actually counts.
No mandatory prerequisites; CCNA Security or equivalent networking/security knowledge recommended Vendor requirements do change from time to time, so confirm the current criteria before scheduling — the official 642-591 exam page has the final word.
Two promises, both in writing. First, delivery: your files unlock for instant download the moment payment clears, a copy hits your mailbox within a minute, and you can install the material on unlimited computers — if 2 hours pass without anything arriving, contact our 24/7 support team. Second, the 100% Money Back Guarantee: take the corresponding 642-591 exam within 60 days of purchase, and if you don't pass, submit a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam for a full refund, processed within 7 days. Conditions apply — exams taken within 3 days of purchase don't qualify, the candidate name must match the payer's, and free materials or expired orders are excluded. Rather keep studying? Exchange your order for two other exam products of equal value, free of charge, while your original updates continue.
Yes — the vendor's recommended courses are listed here:
Courses teach the theory, but they cannot tell you whether you are ready. After finishing any of them, benchmark yourself with the 642-591 practice questions from Real4Prep and find the gaps before the exam does.
