In the late 1970s, those people working in the computer networking field felt that there was a need for a set of standards that could be used by anyone designing and developing applications and services that would need to communicate across a network. Learn More>>
Even in the best designed and managed networks, problems will arise. Knowing the proper troubleshooting methodology and being familiar with the many tools – both software and hardware – available to troubleshoot network issues will make the task of... Learn More>>
The task of managing and monitoring a network falls to the network administrator. In order to do a thorough job, administrators need to be aware of the processes, procedures, and tools that they can and should use in order to accomplish their... Learn More>>
Wide Area Networks, or WANs, came about in 1965. WANs are defined as computer networks that cover a broad geographical area and use routers and public links to connect unrelated networks with each other. WANs differ from local area networks (LANs) in several... Learn More>>
To take full advantage of expensive server hardware, a full featured network operating system (NOS) should be employed. Network operating systems provide vital services, such as e-mail, file sharing, DHCP, DNS, and other necessary components of a functional... Learn More>>
A network may have many servers on it, each playing a unique role. In order for a server to do its job properly, it must have the proper hardware and software installed. A server may be performing a network service, such as DNS or DHCP,... Learn More>>
The choice of network media depends on a number of factors. Speed and bandwidth requirements and budgets are probably the two main considerations, although the site itself can play a part. In new construction, for example, it may make sense to... Learn More>>
Security is a concern of everyone from the home user to the network administrator of a large enterprise. Although the threats and mitigation of threats are similar for both, the scale in which protections and solutions need to be applied is not. Learn More>>
In order for devices on a network to communicate, some type of medium has to be in place. Types of communication media include physical cable, copper or fiber optic, and can also refer to radio waves, such as in the case of wireless networks. Learn More>>
Without a well thought out plan in place, all the best equipment and well trained personnel in the world will be useless in the event of a disaster. Disasters can be manmade or natural, and both types can cause short delays or major business disruptions. Learn More>>
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