Which of the following is an example of a web protocol for pushing notifications from server to client? MCQ with Answer and Explanation

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Which of the following is an example of a web protocol for pushing notifications from server to client?

A. All of the above

B. Web Push API

C. Server-Sent Events

D. WebSocket

Answer: Option A

Solution (By JKSSB Mock Tests)

Web Push API, SSE, and WebSocket all enable server-to-client notifications, though they differ in implementation and use cases.

This question belongs to: Computer Internet and Web Technologies

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Question #1

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Which type of web architecture uses a 'Three-Tier' format to divide application logical structures cleanly?

A. Local router, WAN switch, and Global satellite interface

B. HTML file, CSS style script, and JavaScript dynamic loader

C. Sender inbox, Gateway router, and Recipient junk folder

D. Presentation tier (Browser), Application tier (Server logic), and Data tier (Database)

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Correct Answer: Option D

Explanation:
A standard three-tier web application architecture separates concerns into the presentation layer (UI), the application logic tier, and the database storage tier.

This question belongs to: Computer Internet and Web Technologies

Question #2

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In the context of web technologies, what does the acronym 'URL' stand for?

A. Uniform Routing Link

B. Universal Routing Location

C. Unified Resource Locator

D. Uniform Resource Locator

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Correct Answer: Option D

Explanation:
URL stands for Uniform Resource Locator, which serves as the global address mechanism used to locate resources on the World Wide Web.

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Question #3

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Which protocol offers a lightweight, connectionless transmission method that prioritizes speed over data arrival validation, often used for online live video streaming?

A. TCP

B. HTTP

C. UDP

D. POP3

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Correct Answer: Option C

Explanation:
UDP (User Datagram Protocol) is a connectionless transport protocol that transmits data packets rapidly without setting up an overhead verification connection, ideal for real-time streams.

This question belongs to: Computer Internet and Web Technologies

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