Which of the following is a protocol for real-time communication over HTTP? MCQ with Answer and Explanation

Which of the following is a protocol for real-time communication over HTTP?
A. All of the above
B. WebRTC
C. Server-Sent Events (SSE)
D. Long Polling
Answer: Option A
Solution (By JKSSB Mock Tests)
WebRTC, SSE, and Long Polling are all techniques or protocols that enable real-time or near-real-time communication over HTTP.

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Which of the following tools acts as a specific component of a search engine that calculates page relevance rankings based on links and keywords when returning query listings?
A. The Cache Database
B. The Crawler Daemon
C. The Search Algorithm
D. The Cookie Tracking Core

Correct Answer: Option C


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Question #2
Which type of web asset functions as an structured structural script document defining dynamic logic behaviors and data transformations inside a browser client?
A. XML data markup schema
B. Unlinked configuration log text
C. SMTP routing statement parameters
D. JavaScript file (.js)

Correct Answer: Option D


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What is the purpose of the 'rel=' preconnect' in HTML link tags?
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C. To prerender pages
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Correct Answer: Option B


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This question belongs to: Computer Internet and Web Technologies