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? MCQ with Answer and Explanation
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Question #1
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What is the default port for FTP control connection?
Correct Answer: Option A
Explanation:
FTP uses port 21 for the control connection (commands) and port 20 for data transfer (active mode).
FTP uses port 21 for the control connection (commands) and port 20 for data transfer (active mode).
This question belongs to:
Computer
Internet and Web Technologies
Question #2
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What is the purpose of the 'noscript' tag in HTML?
Correct Answer: Option C
Explanation:
The tag defines content to be displayed if the user's browser does not support or has disabled JavaScript.
The tag defines content to be displayed if the user's browser does not support or has disabled JavaScript.
This question belongs to:
Computer
Internet and Web Technologies
Question #3
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What mechanism translates a human-readable domain name (like [www.google.com](https://www.google.com)) into a machine-readable IP address?
Correct Answer: Option A
Explanation:
DNS (Domain Name System) functions as the phonebook of the internet, resolving alphabetical domain names to numerical IP addresses.
DNS (Domain Name System) functions as the phonebook of the internet, resolving alphabetical domain names to numerical IP addresses.
This question belongs to:
Computer
Internet and Web Technologies
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