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15% of Exam

Security Fundamentals

Network security concepts, ACLs, port security, AAA, and basic wireless security.

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Key Concepts

Network security concepts, ACLs, port security, AAA, and basic wireless security.

Topics You'll Be Tested On:
ACL port security AAA wireless security

📝 Study Tips from Top Scorers

  • Master ACL configuration and placement
  • Know port security violation modes

📊 Domain Weight: 15%

15%

This domain accounts for 15% of all CCNA exam questions. While not the largest domain, mastering it is crucial for passing.

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❓ FAQ — Security Fundamentals

How much of the CCNA exam is Security Fundamentals?

Security Fundamentals covers 15% of the CCNA exam, making it an important domain to study.

What topics are covered?

Network security concepts, ACLs, port security, AAA, and basic wireless security.

How should I study for this domain?

Focus on understanding core concepts like ACL, port security, AAA. Use ExamCert's practice questions filtered by domain, and review detailed explanations for each answer.

Other CCNA Exam Domains

Network Fundamentals 20% of exam
Network Access 20% of exam
IP Connectivity 25% of exam
IP Services 10% of exam
Automation and Programmability 10% of exam