Cisco 642-591 : Implementing Cisco NAC Appliance

  • Exam Code: 642-591
  • Exam Name: Implementing Cisco NAC Appliance
  • Updated: Oct 10, 2026
  • Q & A: 60 Questions and Answers

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Cisco 642-591 Exam Syllabus Topics:

SectionWeightObjectives
Endpoint Compliance and Posture Assessment20%- Custom compliance policies
- OS and patch level checks
- Posture validation rules
- Antivirus and antispyware verification
- Remediation and quarantine flow
Monitoring, Maintenance and Troubleshooting5%- Logging and reporting
- System backup and restore
- Common troubleshooting scenarios
User Authentication and Authorization20%- Role-based access control
- Local user database
- Guest access configuration
- LDAP and Active Directory integration
- RADIUS authentication
Network Access Enforcement15%- VLAN assignment and segmentation
- High availability and failover
- Traffic filtering and policies
- Quarantine and production access
Installation and Initial Configuration20%- Hardware and software requirements
- Network connectivity configuration
- Licensing and activation
- Initial setup of CAM and CAS
- Administrative access and management
Cisco NAC Appliance Architecture20%- In-band vs Out-of-band deployment modes
- Solution components
- Clean Access Server (CAS) functions
- Clean Access Manager (CAM) functions
- Clean Access Agent (CAA) operation

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