Test Prep Blog for the CompTIA® A+ exam

Networking Protocols

The Open Systems Interconnection (OSI) model is a conceptual and logical model that defines network communication. This model contains various layers that consist of a variety of networking and computing protocols needed for interconnectivity with the layers above and/or below it. This hierarchic...
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A+ Wireless Encryption Protocols

With the number of wireless devices constantly rising, wireless security has become more important than ever. And in today’s hyperconnected world, we can use various tools and methods to help keep our data safe—one of which is enabling special protocols on our devices that encrypt data being sent...
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All About IP Classes

Communication on and between networks today relies on a systematic scheme built upon Internet Protocol (IP) Addressing. An IP address consists of a network ID and host ID and is broken down into five classes of addressing. These classes are best assigned and used according to the estimated number...
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Recent Posts

Networking Protocols

The Open Systems Interconnection (OSI) model is a conceptual and logica

A+ Wireless Encryption Protocols

With the number of wireless devices constantly rising, wireless securit

All About IP Classes

Communication on and between networks today relies on a systematic sche