Understanding Security Devices and Zones

This lesson Understanding Security Devices and Zones covers Security devices such as firewalls are the main defense for a company’s networks, whether they are LANs, WANs, intranets, or extranets. Perimeter security zones such as demilitarized zones (DMZs) help keep certain information open to specific users or to the public while keeping the rest of an organization’s data secret.

Following articles in this lesson will help in understanding security devices and zones

Defining Firewalls and Other Perimeter Security Devices

Firewalls are used to protect a network from malicious attack and unwanted intrusion. They are the most commonly used type ...
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Redefining the DMZ

A perimeter network or demilitarized zone (DMZ) is a small network that is set up separately from a company’s private ...
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This lesson is a part of Defining Network Infrastructures and Network Security chapter from 98-366 Networking Fundamentals Prep course. More lessons in this chapter are

Understanding Networks Outside the LAN

Networks Outside the LAN Overview In this article we will take the deep dive into the understanding of networks outside ...
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Understanding Security Devices and Zones

Understanding Security Devices and Zones This lesson Understanding Security Devices and Zones covers Security devices such as firewalls are the ...
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The Practice tests included in this course are:

Exam 98-366 Networking Fundamentals Practice Test 1

Instructions for Exam 98-366 Networking Fundamentals Practice Test 1 This page shows the instructions for Exam 98-366 Networking Fundamentals Practice ...
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Exam 98-366 Networking Fundamentals Practice Test 2

Instructions for Exam 98-366 Networking Fundamentals Practice Test 2 This page shows the instructions for Exam 98-366 Networking Fundamentals Practice ...
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Exam 98-366 Networking Fundamentals Practice Test 3

Instructions for Exam 98-366 Networking Fundamentals Practice Test 3 This page shows the instructions for Exam 98-366 Networking Fundamentals Practice ...
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