Cisco 642-521 Exam Information and Actual Questions

  • Exam Code/Number: 642-521
  • Exam Name/Title: Cisco Secure PIX Firewall Advanced
  • Certification Provider: Cisco
  • Corresponding Certification: CCSP
  • Exam Questions: 192
  • Updated On: Jul 23, 2026

642-521
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642-521 Exam
Cisco Secure PIX Firewall Advanced

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Cisco 642-521 Exam Overview:

Certification Vendor:Cisco
Exam Name:Cisco Secure PIX Firewall Advanced
Exam Number:642-521
Exam Format:Multiple choice, Simulation / troubleshooting scenarios
Exam Price:$150 USD (historical, may vary by region and time period)
Exam Duration:90-120
Certificate Validity Period:Retired
Real Exam Qty:45-65
Related Certifications:Cisco Security Specialist (CCSP legacy track)
Cisco Certified Network Professional Security (CCNP Security - conceptual successor)
Passing Score:Cisco scaled score (varies, typically around 800/1000 equivalent)
Available Languages:English
Recommended Training:Cisco Secure PIX Firewall Documentation (Archive)
Cisco Learning Network (Legacy Security Resources)
Exam Registration:Pearson VUE Cisco Exams
Cisco Certification Portal
Sample Questions:Cisco 642-521 Sample Questions
Exam Way:Computer-based exam delivered via Pearson VUE testing centers or online proctoring (historical format).
Pre Condition:Recommended CCNA-level networking knowledge or equivalent Cisco networking fundamentals experience.
Official Syllabus URL:https://www.cisco.com/c/en/us/training-events/training-certifications.html

Cisco 642-521 Exam Syllabus Topics:

SectionObjectives
Topic 1: Advanced Firewall Features- Monitoring and troubleshooting
  • 1. Logging and syslog analysis
    • 2. Packet capture and debugging tools
      - High availability and failover
      • 1. Active/standby failover configuration
        • 2. State synchronization
          Topic 2: VPN and Secure Connectivity- IPSec VPN configuration
          • 1. IKE phase 1 and phase 2 concepts
            • 2. Site-to-site VPN setup
              - Remote access VPN concepts
              • 1. Authentication mechanisms
                • 2. Encryption and tunneling
                  Topic 3: Access Control and NAT- Network Address Translation
                  • 1. PAT (Port Address Translation)
                    • 2. Static NAT and dynamic NAT
                      - Access Control Lists (ACLs)
                      • 1. Inbound and outbound policy enforcement
                        • 2. Traffic filtering rules
                          Topic 4: PIX Firewall Fundamentals- PIX architecture and operating modes
                          • 1. Stateful firewall processing
                            • 2. Inside/outside interfaces and security levels
                              - Basic configuration and device setup
                              • 1. Interface configuration and IP addressing
                                • 2. Initial device configuration


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