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Healthcare Information Technology Exam Guide for CompTIA Healthcare IT Technician and HIT Pro Certifications by Brian Gugerty, Kathleen McCormick

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How a Network Works

This section will describe how a typical TCP/IP network works. It will discuss application and network architectures and describe the components used to implement those architectures and the protocols used. It will also describe two examples of data transfer: one device communicating with another device on the same LAN and one device communicating with another device on another LAN across a WAN.1

Application Architectures

Two fundamental application architectures exist on a network: peer to peer and client server. In a peer-to-peer architecture, all devices on a network are equal and can perform the same function; there is no master. A peer-to-peer model works well when there are a limited number of users and has the advantage ...

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