IGCSE Computer Science Quiz

Define the following terms: a. URL b. HTTP c. IP address

Explain two differences between a static and a dynamic website.

List two advantages and two disadvantages of cloud storage.

What is the purpose of a firewall in a network?

State two differences between IPv4 and IPv6.

Explain how a DNS (Domain Name System) helps in accessing websites on the internet.

(Scenario: Online Shopping Website) A company has launched an online shopping website where customers can browse products, place orders, and make payments securely. a. Explain how HTTPS ensures the security of customer data during transactions.

b. The website allows users to log in using their credentials. Describe two ways to secure user authentication.

c. Explain one way the website can protect itself against Distributed Denial of Service (DDoS) attacks.

(Scenario: A School Network) A school has a local area network (LAN) connected to the internet. Students access study materials online, while teachers upload resources to a cloud-based platform. a. Explain how the use of a proxy server in the school network could enhance security.