The programme includes material required for the Cisco Certified Community Associate (CCNA) qualification. In a protocol stack (also see the OSI mannequin ), each protocol leverages the companies of the protocol under it. An important example of a protocol stack is HTTP (the World Extensive Web protocol ) working over TCP over IP (the Web protocols ) over IEEE 802.11 (the Wi-Fi protocol).
One frequent application is secure communications through the public Web, but a VPN needn’t have explicit security features, corresponding to authentication or content encryption. The TCP/IP model or Internet layering scheme and its relation to widespread protocols typically layered on top of it.
The free online course Diploma in Computer Networking introduces the important thing units found on local area networks (LANs), explains the structure and function of several types of LANs and WANs, and introduces you to the network structure and protocols utilized in network security.
WAN applied sciences usually function on the decrease three layers of the OSI reference mannequin : the bodily layer , the information hyperlink layer , and the network layer. Get the fundamentals of wired and wi-fi media, protocols, requirements and concepts. Half 1 is concerning the implementation, design principles and goals of a Computer Network and touches upon the various routing algorithms utilized in CN (equivalent to link-state and distance vector).
This course might be of curiosity to all learners who wish to be taught extra about computer networking, the various kinds of LANs and WANs present in networks, the protocols used to allow safe communications between networks and network structure and protocols used in community security.