Chapter 1. Network Security

Roughly 21 percent of the SY0-301 exam comes from this domain. You need to have a good grasp of implementing, distinguishing, and applying proper network security techniques. You need to know how to explain the function and purpose of basic network devices. Additionally, you need to know how to apply basic network security principles and how to distinguish network design elements, such as demilitarized zones (DMZs), remote access, cloud computing, and network access control (NAC). You also need to understand common protocols and their port numbers. Finally, you need to understand how to implement wireless systems in a secure manner. This chapter covers the following objectives:

This chapter covers the following objectives: ...

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