State the importance of protocols and standards

Describe the structure of the Internet

Explain the protocols used within the TCP/IP stack and the processes at each layer of the TCP/IP stack

State the advantages of layering protocols in the TCP/IP stack

Demonstrate DNS in action using an IP address within a web browser and explain the DNS resolution process

Describe and identify examples of LANs and WANs

Explain packet switching in contrast to circuit switching

Provide examples of network threats and state methods to overcome these

Explain the function of a firewall

State the functions of a proxy server

Create a basic webpage using HTML and some CSS

Use JavaScript to make web form elements interactive and add validation in addition use sequence and selection statements in JavaScript with a range of data types including arrays

Describe the characteristics of the PageRank algorithm and state the factors that influence page ranking

Explain, by use of example, the difference between client and server-side processing