Which of the following is a protocol for real-time communication over HTTP? MCQ with Answer and Explanation
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Question #1
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What does the 'Cross-Origin Resource Sharing' (CORS) security mechanism instruct a web browser to validate when a script requests a resource from a different domain?
Correct Answer: Option B
Explanation:
CORS is a browser security mechanism that uses HTTP headers to determine whether scripts running in a browser are allowed to access resources from a different origin domain.
CORS is a browser security mechanism that uses HTTP headers to determine whether scripts running in a browser are allowed to access resources from a different origin domain.
This question belongs to:
Computer
Internet and Web Technologies
Question #2
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Which of the following is a valid email protocol used for retrieving messages from a mail server without deleting them?
Correct Answer: Option A
Explanation:
IMAP (Internet Message Access Protocol) allows users to access and manage emails on the server, typically keeping messages on the server, unlike POP3 which often downloads and deletes.
IMAP (Internet Message Access Protocol) allows users to access and manage emails on the server, typically keeping messages on the server, unlike POP3 which often downloads and deletes.
This question belongs to:
Computer
Internet and Web Technologies
Question #3
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What does the term 'bandwidth' refer to in web hosting?
Correct Answer: Option B
Explanation:
Bandwidth refers to the maximum amount of data transmitted over a network connection in a given time, often measured in Mbps or GB/month.
Bandwidth refers to the maximum amount of data transmitted over a network connection in a given time, often measured in Mbps or GB/month.
This question belongs to:
Computer
Internet and Web Technologies
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