Exam 1: DNS Purpose
What is the primary function of the Domain Name System (DNS)?
Search Engine
Finding information on the web.
Translation
Mapping URLs to IP addresses.
Exam 2: The DNS Trap
How does a computer retrieve a website? [2 Marks]
⚠️ The Trap
"The browser searches the internet for the website name."
✅ The Mark Scheme
1. URL sent to DNS to look up IP address.
2. Browser uses IP to request page from web server.
Exam 3: Component Audit
Match the term to its definition.
| DNS Server | Stores database of IP/URL mappings. |
| IP Address | The physical location of a server. |
| URL | Human-readable website address. |
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