CompTIA Security+ Certification Study Guide, 3rd Edition

CHAPTER 6Network Security

EXAM OBJECTIVES IN THIS CHAPTER

General Network Security

Network Security Tools

Network Ports, Services, and Threats

Network Design Elements and Components

INTRODUCTION

In today’s network infrastructures, it is critical to know the fundamentals of basic security infrastructure. Before any computer is connected to the Internet, planning must occur to make sure that the network is designed in a secure manner. Many of the attacks that hackers use are successful because of an insecure network design. That is why it is so important for a security professional to use secure topologies and tools like intrusion detection and prevention. Another example is virtual local area networks (VLANs), which are responsible for securing ...