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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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Identify Commonly Used IT Terms and Technologies

A modern Windows computer network will consist of Windows client operating systems (such as Windows Server 2008) and domain controllers (DCs). A domain controller is a Windows server that contains the Active Directory (AD) database. The AD database contains user account information, passwords, groups, and computer accounts for computers that have joined the domain. Computers that have joined the AD domain can be centrally managed by the AD domain administrator.

Most computer networks use network cables and switches to interconnect devices; others may use wireless technologies. Wired networks use switches as a central wiring location. Figure 32-1 depicts an Ethernet network switch. Ethernet switches ...

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