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BCS Diploma in IT Study Materials & Resources - Principles of Internet Technologies.

Principles of Internet Technologies

4.00 PM Monday / January 27, 2014

Thilini Prarthana Bandara

This module of BCS Diploma in IT examines the origins, technology and applications of the Internet as well as website development, performance and security issues.




Develop an understanding of the Internet and World Wide Web

Prior Knowledge

Candidates are expected to be familiar with the material covered in the Certificate syllabuses and in particular have knowledge of the content of Professional Issues in Information Systems Practice.

What You will be Studying


  • Evolution of the Internet and the Growth of the World Wide Web.
  • Client-Server model.
  • Architecture of the Intranet/ Internet /Extranet.
  • Access methods: dialup, ISDN, ADSL/2+, cable, LAN, WIFI, Mobile & Satellite.
  • Proxy servers.
  • Application areas: E-commerce, Education,
  • Entertainment such as games and gambling.
  • Portals, discussion forums, Weblogs, Podcasting, RSS / ATOM, Wiki, VoIP, video on demand.
  • Search Engines, web bots, integrity of information, databases online.


  • URL
  • TCP/IP fixed and dynamic IP addressing.
  • Role of DNS.
  • Email: email clients, server and gateways; SMTP,POP3, IMAP & Webmail.
  • File transfer – FTP.
  • Remote login – telnet.
  • WWW – HTTP and HTTPS.
  • Role of W3C.
  • Accessibility.
  • Mobile computing, wireless, 3G, GPS.


  • Static and dynamic HTML.
  • Fluency in at least one of the following client-side scripting languages: JavaScript or VBscript.
  • DOM model, stylesheets, CSS and XSL.
  • Development tools: page and site authoring, delivery and maintenance tools.
  • Multimedia Content: text, graphics, sound, animation and video -performance and quality issues; streaming.
  • Hosting choices and issues.
  • Usability issues.


  • Security policies/Privacy/Identification/Authentication/Access control.
  • Hardware and software, Risk assessment, Vulnerabilities.
  • Threats and attack methods such as Viruses, Spam, Root kits, “phishing”, Firewalls – spyware plug-ins.
  • Performance: speed, reliability, downtime, and bandwidth.


Books to Refer

Primary Texts

  • Preston Gralla and Michael Troller., How the Internet Works (November 21, 2006), Publisher: Que, Print ISBN-10: 0-7897-3626-8, Print ISBN-13: 978-0-7897-3626-0
  • Perry J. et al, The Internet – Illustrated Introductory, Course Technology (3rd Ed), ISBN: 0619109580
Other Texts
  • Bates, C., Web Programming: Building Internet Applications, John Wiley and Sons (3rd Ed), 2006, ISBN: 0470017759
  • Bates, C., Web Programming: Building Internet Applications, John Wiley and Sons (3rd Ed), 2006, ISBN: 0470017759
  • Hofstetter, F.T., Internet Literacy, McGraw Hill (3rd Ed), 2002, ISBN: 0071124241
  • McGloughlin, S., Multimedia: Concepts and Practice, Prentice Hall, 2001, ISBN: 0130575062
  • Niederst, J., Web Design in a Nutshell, O’Reilly (2nd Ed), 2001, ISBN: 0596001967

Other Readings

World Wide Web Consortium (W3C)

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