The Domain Name System is one way to resolve host names in a TCP/IP environment. In non-Microsoft environments, host names are typically resolved through host files or DNS. In a Microsoft environment, WINS and broadcasts are also used. DNS is the primary system used to resolve host names on the Internet. In fact, DNS had its beginning in the early days of the Internet.In its early days, the Internet was a small network established by the Department of Defens....

Log files track the activity on a computer so administrators can see who has used the computer, what they did, how long they stayed connected, and where they came from. Since a log file can also record the activity of an unauthorized intruder, much like a surveillance camera can record a burglar breaking into a store, hackers look for the log file as soon as they get access into the computer. Script kiddies often delete the log files to prevent the administrator from seeing ex....

A Nokia mobile phone works with either the GSM network or the CDMA network. You need to choose the right model to match your wireless operator.Not all Nokia smartphones work with all wireless operators everywhere in the world. Wireless operators build their networks using different technologies, and a given phone typically works with only one of the network technologies.If you got your Nokia smartphone directly from the wireless....

Your users might not know that they can use Excel to analyze data from the various databases in your organization. They can use the powerful analytical tools of Excel on data they previously only viewed or edited within the database user interface. Using these features, they can pull data from your customer database, sales tracking database, product catalog, and HR systems into various sheets in a workbook and perform complex pivot table analysis not possible using the separat....

The type of cabling used in a network is called the network medium. Today, networks use many types of cables, although only a few types are in common usage. Some of the more exotic types of cables are very expensive. The type of cabling can have an influence on the speed of the network, although for most small- to medium-sized local area networks this is not a major issue. Twisted pair cabling is one of the most commonly used network mediums because it is cheap and easy to wor....