What is the role of a web application server? MCQ with Answer and Explanation

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What is the role of a web application server?

A. To handle email

B. To manage databases

C. To execute server-side code and generate dynamic content

D. To serve static files only

Answer: Option C

Solution (By JKSSB Mock Tests)

An application server runs the business logic, processes requests, and generates dynamic content, often in conjunction with a web server.

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Question #1

Which of the following is a mechanism for websites to request permission to access user's location, camera, etc.?

A. URL parameters

B. Web API (Permissions API)

C. HTTP headers

D. Cookies

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Correct Answer: Option B

Explanation:
The Permissions API allows websites to request permissions for sensitive features like geolocation, camera, microphone, etc.

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Question #2

Which of the following network parameters identifies an unencrypted network protocol configuration variant used to transfer files over port 21 without encryption?

A. HTTPS secure transfer layer

B. Standard FTP (File Transfer Protocol)

C. SSH terminal shell access line

D. SFTP connection utility

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Correct Answer: Option B

Explanation:
Standard File Transfer Protocol (FTP) operates unencrypted across ports 20 and 21, transmitting authentication and data packets in plain text.

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Question #3

What specific feature distinguishes 'IMAP' from 'POP3' when handling email status adjustments, such as marking a message as 'read'?

A. IMAP handles updates locally only, leaving the server state untouched.

B. IMAP synchronizes status updates directly back to the mail server, reflecting changes across all user devices.

C. IMAP completely blocks attachments from downloading.

D. IMAP lacks support for multi-folder organization schemas.

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Correct Answer: Option B

Explanation:
Because IMAP works directly on the mail server, any change in state (read, unread, flagged, moved) is synced to the server and visible across all connected devices.

This question belongs to: Computer Internet and Web Technologies

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