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FC0-U71 Best describes the function of a DNS server? Practice Question
Which of the following best describes the function of a DNS server?
⚠ Common exam trap
CompTIA often tests the distinction between DNS and DHCP, as candidates frequently confuse 'resolving names' with 'assigning addresses' — both are critical network services but serve entirely different purposes.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Resolves domain names to IP addresses
A DNS (Domain Name System) server translates human-readable domain names (e.g., www.example.com) into machine-readable IP addresses (e.g., 192.0.2.1). This resolution process is fundamental to network communication, as applications rely on IP addresses to locate and connect to servers. Without DNS, users would need to memorize numeric IP addresses for every website or service.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Hosts web pages
Why it's wrong here
That is a web server.
- ✗
Forwards traffic between networks
Why it's wrong here
That is a router.
- ✓
Resolves domain names to IP addresses
Why this is correct
DNS performs name resolution.
- ✗
Assigns IP addresses to devices
Why it's wrong here
That is DHCP.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This FC0-U71 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the FC0-U71 exam.