Which of the following best describes DNS?
Difficulty: Easy
About this MCQ
This Easy Computer Networks question asks: Which of the following best describes DNS? The correct choice is C. A system that translates human-readable domain names into IP addresses.. Read the options below, commit to one, then use the explanation to see why that choice holds and why the others do not.
Computer Networks items like this one are written for Pakistan exams such as CSS, FPSC, PPSC, and NTS. The difficulty label is a hint about how much of the topic the stem assumes, not a score. Tags and exam names, when they are present, tell you where else the same idea is tested. Previous and next links stay in Computer Networks so you can continue the subject. Related questions point at nearby stems if you want another angle on the same idea.
Treat the explanation as part of the question, not a footnote. If you missed it, reread the stem against the correct option before you open the next Computer Networks item. A timed quiz is the same pool with a clock and a score. A past paper is a full sitting rather than this single question.
- A. A connectionless transport protocol that sends data without guaranteeing delivery or order.
Why not A: “A connectionless transport protocol that sends data without guaranteeing delivery or order.” does not fit this question. The answer is A system that translates human-readable domain names into IP addresses..
- B. A technique that maps multiple private IP addresses to a single public IP address.
Why not B: “A technique that maps multiple private IP addresses to a single public IP address.” does not fit this question. The answer is A system that translates human-readable domain names into IP addresses..
- C. A system that translates human-readable domain names into IP addresses. ✓
- D. A unique hardware identifier assigned to a network interface controller.
Why not D: “A unique hardware identifier assigned to a network interface controller.” does not fit this question. The answer is A system that translates human-readable domain names into IP addresses..
Correct answer
C. A system that translates human-readable domain names into IP addresses.
Explanation
A system that translates human-readable domain names into IP addresses. is the term that matches “Which of the following best describes DNS” (option C). Option A (A connectionless transport protocol that sends data without guaranteeing delivery or order.) does not fit this question. Option B (A technique that maps multiple private IP addresses to a single public IP address.) does not fit this question. Option D (A unique hardware identifier assigned to a network interface controller.) does not fit this question. For this Computer Networks question, the accepted answer is A system that translates human-readable domain names into IP addresses..
Source: Computer Networks Official Reference Guide
Tags: computer science, computer networks, networking, protocols
Submitted by: MCQsHub Editorial
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