Internet and Its Uses · 3 question types
Past paper frequency (2018 to 2024)
This topic accounts for approximately 8% of your exam marks.
Threats (phishing, pharming, malware, DDoS, brute-force) and the matching protection methods appear in almost every paper.
A acts as an intermediary between the user and the internet, forwarding requests on the user's behalf and hiding the user's own address.
Web requests go to the proxy, which then fetches the pages and passes them back, so the destination server sees the proxy's address rather than the user's. A proxy can filter traffic to block access to undesirable or malicious sites, hide the user's IP address for privacy, and cache frequently requested pages to speed up access. It can also absorb some attack traffic before it reaches the real server, helping to protect against attacks such as DDoS.