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.

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