Which type of web architecture asset functions as a highly lightweight text data-interchange format, structured using basic key-value pairs that are exceptionally easy for JavaScript to parse natively? MCQ with Answer and Explanation

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Which type of web architecture asset functions as a highly lightweight text data-interchange format, structured using basic key-value pairs that are exceptionally easy for JavaScript to parse natively?

A. Unencrypted text files

B. JSON (JavaScript Object Notation)

C. SMTP route configurations

D. CSS formatting style frameworks

Answer: Option B

Solution (By JKSSB Mock Tests)

JSON is a language-independent, text-based format for storing and exchanging data. Its simple key-value structure makes it a popular choice for web APIs and modern web applications.

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What mechanism does a web browser implement to store layout stylesheets and image files from visited websites inside device storage to avoid re-downloading them on subsequent visits?

A. Altering localized device hardware MAC address registries

B. Static FTP file catalog adjustments

C. Browser Caching

D. Running outbound SMTP mail server delivery routines

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Correct Answer: Option C

Explanation:
Browser caching saves static website assets (like logos, CSS files, and scripts) to the local hard drive, reducing page load times and saving bandwidth during repeat visits.

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Question #2

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What does a '409 Conflict' HTTP status code return imply about a client browser's interaction with a web application?

A. The web server facility has completely crashed down.

B. The requested URL address path has changed its location permanently.

C. The input security certificate has an expired authorization date.

D. The request could not be completed because of a resource conflict on the server (e.g., trying to register an account username that is already taken).

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Correct Answer: Option D

Explanation:
An HTTP 409 error occurs when a client request conflicts with the current state of a server resource, such as simultaneous edits to the same data block or duplicate unique entries.

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Question #3

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Which specific protocol operates inside web technologies to establish real-time, bi-directional, persistent communication channels between a browser client and a server over a single TCP connection?

A. POP3 email retrieval layout

B. FTP archive transfer settings

C. WebSocket Protocol

D. Standard HTTP/1.1 polling rules

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Correct Answer: Option C

Explanation:
The WebSocket protocol enables continuous, interactive, two-way communication between a client browser and a web server without the high overhead of standard HTTP request-response cycles.

This question belongs to: Computer Internet and Web Technologies

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