Disclaimer:
This course is an independent study resource and is not affiliated with, sponsored by, or endorsed by EC-Council or any other certification vendor.
“EC-Council,” “Certified Network Defender (CND),” and all related marks are trademarks or registered trademarks of EC-Council International Limited.
All other trademarks, service marks, and certification names are the property of their respective owners.

This practice-exam course is designed for learners preparing for entry-level network defense and security certifications and roles. It helps you build foundational knowledge and hands-on skills to protect and defend networks — the same kinds of skills assessed by many industry certifications.

You’ll learn to:

• Understand core network security concepts and architectures

• Identify threats, vulnerabilities, and attack vectors affecting networks

• Implement security controls, monitoring, and defensive strategies

• Respond to and mitigate network security incidents

Understand core network security concepts and architectures

Identify threats, vulnerabilities, and attack vectors affecting networks

Implement security controls, monitoring, and defensive strategies

Respond to and mitigate network security incidents

Key topics include:

• Networking fundamentals and secure protocols

• Threats, attacks, and vulnerabilities targeting networks

• Firewalls, IDS/IPS, VPNs, and access-control mechanisms

• Endpoint security and patch management

• Network traffic analysis and monitoring

• Incident response in network environments

• Security policies, risk management, and compliance basics

Networking fundamentals and secure protocols

Threats, attacks, and vulnerabilities targeting networks

Firewalls, IDS/IPS, VPNs, and access-control mechanisms

Endpoint security and patch management

Network traffic analysis and monitoring

Incident response in network environments

Security policies, risk management, and compliance basics

The course includes practice tests that simulate real-world network defense challenges, with detailed explanations to reinforce core concepts and strengthen problem-solving skills. By completing this course, you’ll be better prepared for network defense certifications and roles such as Network Security Analyst, SOC Analyst (Tier 1), Security Operations Specialist, or Cybersecurity Technician.