Part 1 - Introduction

Question 1

Name the advantages of web applications over desktop applications

Answer 1

• Accessible from any internet-enabled computer
• Usable with different operating systems and browsers
• Easy to roll out updates
• Fewer security concerns with local storage

Question 2

Name the disadvantages of web applications

Answer 2

• Active internet connection required
• Security concerns over private data transmitted on internet
• Licensing, upload data, storage concerns
• Website not having identical appearance over all devices
• Restrictions on access to OS resources
• Clients may have additional plugins installed

Question 3

Describe what happens when a .html file is requested from a static website

Answer 3

• User requests .html file
• Server fetches file
• Server sends file
• Browser displays file

Question 4

Describe the process of requesting a file from a dynamic website

Answer 4

• User requests .php file
• Server recognises that a dynamic script must be executed
• Server executes script
• HTML output
• Server sends HTML (along with Javascript) to user
• (Browser executes Javascript)
• (Javascript may make additional requests)
• Browser displayed (modified) HTML