II. Dictate the following text to your group mate. Check it together

In the world of computers, networking is the practice of linking two or more computing devices together for the purpose of sharing data. Networks are built with a combination of computer hardware and computer software. Server Operating System (OS). Server Operating systems are hi-end programs designed to provide network control and include special functions for connecting computers and other devices into a network. Three of the more popular server OS are Microsoft windows, Mac OS X, and UNIX/Linux. The selection of an OS is determined by how the server will be accessed, security issues, whether the serve will host a database, whether forms will be processed, whether programs such as Microsoft Expression Web or Adobe Dreamweaver will be used, and other individual factors. Client access to the server can be through desktop or notebook computers, handheld devices, game systems, and other similar electronic devices.

III. Networks can be categorized in several different ways. One approach defines the type of network according to the geographic area it spans. One way to categorize the different types of computer network designs is by their scope or scale. For historical reasons, the networking industry refers to nearly every type of design as some kind of area network. Common examples of area network types are: MAN, CAN, WLAN, LAN, PAN, WAN, SAN, DAN. Fill in the following table with these abbreviations.