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Windows 7 user.
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Can you describe what steps you would take if you receive a call that a User can’t login to the domain, but the Network Card (NIC) does not have a green light illuminated?

The Windows operating systems have distinct methodologies for designing and implementing networks, and have specific systems to accomplish various networking processes, such as Exchange for email, Sharepoint for shared files and programs, and IIS for delivery of web pages. Microsoft also produces server technologies for networked database use, security and virtualization.