What mechanism translates a human-readable domain name (like [www.google.com](https://www.google.com)) into a machine-readable IP address? MCQ with Answer and Explanation
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Question #1
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Which email protocol downloads messages to a local device and, by default configuration, deletes them from the remote mail server?
Correct Answer: Option A
Explanation:
POP3 (Post Office Protocol version 3) retrieves emails by downloading them to a local client device and typically deleting them from the mail server data storage.
POP3 (Post Office Protocol version 3) retrieves emails by downloading them to a local client device and typically deleting them from the mail server data storage.
This question belongs to:
Computer
Internet and Web Technologies
Question #2
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What is the role of a cache in a web browser?
Correct Answer: Option C
Explanation:
Browser cache stores static resources (images, CSS, JS) locally so that subsequent visits to the same page load faster.
Browser cache stores static resources (images, CSS, JS) locally so that subsequent visits to the same page load faster.
This question belongs to:
Computer
Internet and Web Technologies
Question #3
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What mechanism does a web application employ to securely preserve user identity state variables on the server side, linking them via a unique ID stored in a client cookie?
Correct Answer: Option A
Explanation:
Session management saves detailed user states securely on the server and provides the client a temporary session identifier token to reference on subsequent visits.
Session management saves detailed user states securely on the server and provides the client a temporary session identifier token to reference on subsequent visits.
This question belongs to:
Computer
Internet and Web Technologies
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