Free CompTIA Security+ Exam: Devices, Media, and Topology Security Tutorial

“>ObjectivesThis chapter covers the following CompTIA-specified objectives for theCommunications Security section of the Security+ exam.Understand the basic security concepts of network devices.It is important for you to understand the basic security concepts ofnetwork devices, such as firewalls, routers, switches, and so on, so you canprotect the environment and outgoing and incoming communications on thesedevices.Understand the basic security concepts of storage media devices.It is  
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