A+ IT Technician (220-602)

Communication and Professionalism

Introduction: There isn’t much that we can provide for you in this section as it is mostly just common sense, even if you have bad customer service skills (you are in the wrong business though). Fortunately, CompTIA’s exam objectives list most of what you need to know and we have ...

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Security – Network Security

Introduction: The final section for domain 6.0 will focus on network security, which in many ways is the most important. The ability to control the transmission of information and access to remote resources should be the front line of a defensive security strategy. Firewalls: In the previous Operating System Security ...

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Operating System Security

Introduction: Securing the operating system and utilizing the correct tools to combat threats is a major part of computer security. In this section of the guide, we will take a look at some of the tools and processes that should be used to secure a system. CMOS: Although not part ...

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Networks – Troubleshooting Networks

Introduction: In this section, we will take a look at some common networking problems and how to perform basic troubleshooting on them. As you read this guide, keep the following in mind: 1. An A+ technician is not a network administrator, so the troubleshooting a person in this position would ...

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Network Protocols

Introduction: The function of a network is to share resources between computers. In order for this to happen the computers must be able to “talk” to each other which is accomplished with the use of protocols which are essentially a set of “rules” that govern communication over a network. Computers ...

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Network Connections And Cabling

Introduction: In this section, we will take a look at the various LAN and WAN network types as well as the cables and connectors used in modern networks. Cabling: The most common form of LAN uses Ethernet which is a collection of standards and specifications that define wiring and signaling ...

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