CCENT Exam Cram (Exam 640-822)

Chapter 9. Basic Network Security

Terms You’ll Need to Understand

• Confidentiality
• Integrity
• Availability
• Intruder Prevention System
• Adaptive Security Appliance
• Anomaly Guard
• Cisco Secure Agent
• Network Admission Control
• Monitoring, Analysis, and Response System

Concepts and Techniques You’ll Need to Master

• Importance of security policies
• Basic mitigation steps

Introduction

To say that security is important is to state the obvious. With Cisco routers and switches forming the backbone to today’s network infrastructures, it becomes especially important to keep security in mind. Should your backbone be breached, the entire network could be crippled, sensitive information could be eavesdropped on, and data could be corrupted or altered in a way that ...