An uplink in computer networking refers to a wired or wireless connection from a local area network lan to a wide area network wan and an uplink port on a home router is a special port that is used to connect to a broadband modem which is a lan and ultimately to the internet which is a wan. It networking specialist analyze troubleshoot and evaluate computer network problems more advanced it pros may be responsible for building and designing communication networks as well they play an important role in maintaining an organizations network and keeping them safe and secure through both hardware configuration and end user training network specialists and administrators are . This course covers the fundamentals of computer hardware software and advanced concepts such as security networking and the responsibilities of an it professional students learn how to assemble and configure a computer install operating systems and software and finally troubleshoot hardware and software problems in addition chapters on networks and communication skills are included . Speaking of local area networks or lans they are smaller networks usually within an office baselan is used to connect computing resources typically inside one building the computing resources can be computers printers servers ip phones or routersconnections between the workstations are physical with cables and all the office resources are shared and distributed between the network
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