13. Internet Media Finance Computers Real Estate Education Health Government Universities Business Server User Client Model of Internet Setup
14. Email application Client Server Client Email client sends message to server Message is stored on POP server Later, recipient’s email client retrieves message from server
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18. To summarize Yes Business partners Extranet Yes Employees & Managers Intranet No Anyone Internet Need of user id and password Users Type
24. A Star topology connects all the nodes directly to the server or to a connecting device such as a hub .
25. All nodes on a Bus topology are connected to a central line or backbone.
26. Nodes on a Ring topology are connected in a closed loop. This means that each node has two connections, one in and another out. Using this type of topology the data must travel through all the nodes.