O-LevelComputer ScienceThe Internet and its uses2210/11 · May/June 2018 · Q1014 Marks

RockICT is a music business that has a website to allow customers to view and buy the products it sells. The website consists of web pages.

(a)Describe what is meant by HTML structure and presentation for a web page.[4]
(b)(i)The URL for the music company's website is: https://www.rockict.net/index.htm Part 1 Part 2 Identify what Part 1 and Part 2 represent in this URL. Part 1 ................................................................................................................................. Part 2 .................................................................................................................................[2]
(b)(ii)Describe what is meant by https.[2]
(c)When a customer enters the website, a message is displayed: "RockICT makes use of cookies. By continuing to browse you are agreeing to our use of cookies." Explain why the music company uses cookies.[2]
(d)The music company is concerned about the security of its website. The company uses a proxy server as part of its security system. Describe the role of a proxy server in the security system.[4]

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

Mark scheme

Marking points from the official mark scheme (May/June 2018). The mark or mark type is shown in brackets.

[1] (a) Structure and presentation are defined using (mark-up) tags
[1] (a) Structure and presentation dictate the appearance of the website
[1] (a) Structure is used for layout
[1] (a) Example of structure
[1] (a) Presentation is used for formatting / style
[1] (a) Example of formatting
[1] (a) Separate file / CSS can be used for presentation content
[1] (b)(i) domain (name)
[1] (b)(i) file name/webpage name
[1] (b)(ii) Hypertext Transfer Protocol Secure // it is the access protocol // It is a protocol
[1] (b)(ii) It means the website uses SSL/TLS
[1] (b)(ii) It means data sent (to and from the webserver) is encrypted
[1] (c) To store items that a customer has added to an online shopping basket
[1] (c) To store a customer's credit card details
[1] (c) To store log-in details
[1] (c) To track what product a customer browses // Track music preferences
[1] (c) Targeted advertising // making recommendations
[1] (c) Personalises/customises the experience
[1] (c) Shows who are new and returning customers
[1] (c) To speed up log-in times
[1] (c) To speed up/allow single click purchases
[1] (c) Improves the experience
[1] (d) Prevents direct access to the webserver // Sits between user and webserver
[1] (d) If an attack is launched it hits the proxy server instead // can be used to help prevent DDOS // help prevent hacking of webserver
[1] (d) Used to direct invalid traffic away from the webserver
[1] (d) Traffic is examined by the proxy server // Filters traffic
[1] (d) If traffic is valid the data from the webserver will be obtained by the user
[1] (d) If traffic is invalid the request to obtain data is declined
[1] (d) Can block requests from certain IP addresses