Chapter 9. Network Infrastructure and Security

Domain III Objectives in this Chapter:

3.5

Identify the purpose, benefits and characteristics of using a firewall.

3.6

Identify the purpose, benefits and characteristics of using a proxy service.

3.7

Given a connectivity scenario, determine the impact on network functionality of a particular security implementation (For example: port blocking / filtering, authentication and encryption).

3.8

Identify the main characteristics of VLANs (Virtual Local Area Networks).

3.9

Identify the main characteristics and purpose of extranets and intranets.

3.10

Identify the purpose, benefits and characteristics of using antivirus software.

Introduction to Network Infrastructure

In this chapter, we look at what a Network+ technician ...

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