Email Alerts
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How to prevent former employees and administrators from accessing your server
What do you do if you have ex-employees or even ex-administrators accessing your server remotely? How do you prevent them from doing this? Our expert, Lindi Horton, can tell you how. Ask the Expert
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What's the difference between DNS and WINS?
In this response, our expert, Chris Partsenidis, explains the differences between DNS and WINS. Ask the Expert
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virtual circuit
A virtual circuit is a circuit or path between points in a network that appears to be a discrete, physical path but is actually a managed pool of circuit resources from which specific circuits are allocated as needed to meet traffic requirements. Definition
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master
A master, in a technological context, is a device that controls one or more other devices. Definition
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"LAN Switching First-Step," Chapter 6: How a switch works
Chapter 6 of "LAN Switching First-Step," by Matthew Castelli, explains how to differentiate among unicast, multicast, and broadcast transmission methods; store-and-forward, cut-through, and fragment-free switching mechanisms; and then describes Layer... Chapter Download
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QoS implementation basics
In this response, Lindi Horton discusses some of the basics of implementing Quality of Service. Ask the Expert
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local area network (LAN)
A local area network (LAN) is a group of computers and associated devices that share a common communications line or wireless link. Typically, connected devices share the resources of a single processor or server within a small geographic area. Definition
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network access server (NAS)
A network access server (NAS) is a computer server that enables an independent service provider (ISP) to provide connected customers with Internet access. Definition
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null modem
A null modem cable allows you to connect your PC to another nearby PC or serial device using its modem protocol. Definition
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virtual network computing (VNC)
Virtual network computing (VNC) is a type of remote-control software that makes it possible to control another computer over a network connection... Definition
Network Management Strategies for the CIO