ISYS104 Lecture Notes - Lecture 6: Private Network, Uniform Resource Locator, Ip Address
20 Aug 2018
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Lan-> local area network (restricted to 35-50 devices) Internet-> connects the world: what are the components of a lan, lan device- computing devices-> all devices that are part of the network (computers, printers, modem/router/switch- transmit messages in a network. 3. a) nic (network interface card) helps computer connect to the network-wired network. 4. a) utp cables (unshielded twisted pair) blue cable that connects computers. Protocol rules on how computers should behave in a network. Packets- message segment that gets around in a network; Data signals do not interfere with telephone signals. Domain-> name that is associated with a private/public network. Learnit. nd. edu. au: explain the working of a three-tier architecture. Client: device that connects to a server and requests a service. Browser: application on the client that requests service. Webpages: program code (html) that displays data to the user. Commerce server/application server: processing logic (adding items to cart) programming element. Vpn client- application that is to be installed on home computer.
