What is the function of a DNS server? MCQ with Answer and Explanation

What is the function of a DNS server?

A. To manage email routing

B. To store web pages

C. To translate domain names to IP addresses

D. To encrypt data

Answer: Option C

Solution (By JKExamLibrary)

DNS (Domain Name System) servers resolve human-readable domain names (e.g., www.example.com) to numerical IP addresses (e.g., 192.0.2.1) required for network routing.

This question belongs to: Computer Internet and Web Technologies

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What does the 'SameSite' attribute flag added inside web cookie setups primarily protect against when verified by a client browser?

A. Slow file upload speeds over unencrypted FTP pathways

B. Physical hardware device damage from high voltages

C. Cross-Site Request Forgery (CSRF) attacks by controlling whether cookies are sent along with cross-site requests

D. The collection of localized domain text strings by search engines

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Correct Answer: Option C

Explanation:
The 'SameSite' cookie attribute helps protect against session hijacking and CSRF attacks by ensuring cookies are only sent with requests originating from the same site.

This question belongs to: Computer Internet and Web Technologies

Question #2 Report Error

What is the function of the 'Snoozed' folder or filter inside a modern digital email workspace setup?

A. To temporarily hide selected email messages from the main inbox view, configured to automatically reappear at a designated future date and time chosen by the user

B. To store incomplete drafts of email layouts

C. To hold unverified spam items safely until automatic deletion

D. To clear configuration script parameters automatically from local storage modules

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Correct Answer: Option A

Explanation:
The Snooze feature allows users to postpone handling an email, removing it from view and scheduling it to slide back to the top of the inbox when they are ready to address it.

This question belongs to: Computer Internet and Web Technologies

Question #3 Report Error

What type of program code logic runs directly on a remote internet server host machine to calculate custom dashboard outputs before compiling them into standard HTML to return to a browser?

A. Browser Extension Core

B. Server-side Scripting

C. CSS Layout Matrix

D. Client-side Scripting

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Correct Answer: Option B

Explanation:
Server-side scripting (using languages like PHP, Python, or Node.js) executes on the hosting server to build dynamic web content before transmitting flat HTML back to the client.

This question belongs to: Computer Internet and Web Technologies

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