Switch<br />Hardware device connect multiple nodes in a network.<br />Connect to nodes and allow them to send and receive data<br />Nodes can communicate with each other thro switch.<br />
router<br />Forward data across networks<br />The internet is actually a set of networks interconnected by routers<br />
Internetworking protocols<br />Protocol or sets of rules that govern the method of communication<br />Why?<br />It specifies the format of data during information exchange on a network<br />TCP/IP is a set of communication protocol<br />Different computers/machines from the network can communicate with this protocol<br />
Application layer=layer 5<br />Software that enables the user to perform useful work.<br />Software at this layer that makes the network valuable<br />Software is the key for everything. <br />
Client Server Concepts<br />Architecture- the structure and organization of a computer's hardware or system software<br />
Client Server Intro<br />Computing application evolves from single user to multi user<br />Business/industry demands a collaborative computing application share of resources and data hence-save cost for the business<br />Therefore –the birth of client-server architecture<br />
How to start a Web Development Business<br />Ask yourself consulting based or registered company?<br />"If you are strong, appear weak. But if you are weak, appear strong." — Sun Tzu. <br />You the owner have to be in control.-invest on great teams.<br />Open source is KING (use open source development tool.)<br />Social Media Sites as your marketing platform!<br />
Home work<br />In groups.<br /> List 5 things that you as a group think we should learn from this class.<br /> email me.<br />List down your group members. <br />
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