Which of the following is a protocol for real-time communication between web browsers and servers? MCQ with Answer and Explanation

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Which of the following is a protocol for real-time communication between web browsers and servers?

A. WebSocket

B. HTTP/1.1

C. FTP

D. HTTP/2

Answer: Option A

Solution (By JKSSB Mock Tests)

WebSocket provides full-duplex communication over a single connection, ideal for real-time applications like chat and gaming.

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Question #1

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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. WebSocket Protocol

C. FTP archive transfer settings

D. Standard HTTP/1.1 polling rules

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Correct Answer: Option B

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

Question #2

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What does the 'CC' field stand for in an email configuration pane, and what is its standard function?

A. Client Cryptography; to secure message contents using passwords

B. Core Connection; to map mail server endpoints dynamically

C. Carbon Copy; to send a visible duplicate copy of the email to secondary recipients

D. Cache Cleaner; to delete temporary historical log items

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Correct Answer: Option C

Explanation:
Cc stands for Carbon Copy. Recipients listed in the Cc field receive a copy of the email, and their addresses are visible to all other recipients.

This question belongs to: Computer Internet and Web Technologies

Question #3

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Which protocol adds a layer of security to HTTP by using encryption?

A. FTP

B. Telnet

C. SNMP

D. HTTPS

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Correct Answer: Option D

Explanation:
HTTPS (HTTP Secure) is an extension of HTTP that uses SSL/TLS protocols to encrypt communication, providing secure data transmission.

This question belongs to: Computer Internet and Web Technologies

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