O-LevelComputer ScienceThe Internet and its uses2210/12 · May/June 2022 · Q310 Marks

Joelle is a student who uses the Internet.

(a)The table contains five terms or definitions that relate to the Internet. Complete the table by writing each missing term or definition. Term browser Uniform Resource Locator (URL) cookie Definition this is the company that provides a user with a connection to the Internet this is a protocol that is used to send data for web pages across the Internet[5]
(b)Joelle uses a firewall to keep her data safe when she uses the Internet. Tick (✔) to show which statement about firewalls is true. Firewalls can only be hardware-based Firewalls can only be software-based Firewalls can be hardware-based or software-based Tick (✔)[1]
(c)Joelle’s parent also uses the firewall to limit the websites that Joelle can access. Explain how the firewall is used to limit the websites that Joelle can access.[4]

Mark scheme

Marking points from the official mark scheme (May/June 2022). The mark or mark type is shown in brackets.

[1] browser: Software/application that allows users to view web pages / render HTML
[1] Internet Service provider // ISP: this is the company that provides a user with a connection to the Internet
[1] HTTP // HTTPS: this is a protocol that is used to send data for web pages across the Internet
[1] Uniform Resource Locator (URL): a text-based version of a web address
[1] cookie: a text file (stored by web browser) that contains data about a user's browsing habits/details/preferences
[1] Firewalls can be hardware-based or software-based (tick)
[1] (The parent can) set criteria for the websites she is allowed to visit
[1] such as a whitelist/blacklist of websites
[1] The firewall will examine the data/traffic incoming and outgoing from her computer
[1] If data is sent from a website that is not allowed, it will be blocked

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