Exam-style question
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What is the primary purpose of the Domain Name System (DNS)?.
- A.To provide a way of associating domain names with IP addresses
- B.To divide every message into exactly two packets
- C.To physically connect all routers using one cable
- D.To replace URLs with packet headers
Model answer
What a good answer should say
- DNS provides a way of associating domain names with IP addresses.
Explanation
Why this works
People can use domain names, while Internet communication uses IP addresses. The DNS system, relying on Domain Name Servers, supports this association.
Common mistake
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