IBDP Computer Science A2.1 Network fundamentals SL Paper 1 - New Syllabus
Question
Describe the role of a DNS server. \( [2] \)
Most-appropriate topic code (CED):
• A2.1: Network fundamentals
▶️ Answer/Explanation
Detailed solution
A DNS (Domain Name System) server stores or accesses a database containing domain names and their corresponding IP addresses.
It translates human-readable domain names, such as www.example.com, into the corresponding IP addresses so that a device can locate and connect to the correct web server.
Answer: A DNS server translates a domain name into its corresponding IP address, allowing the user’s device to connect to the correct server.
