What is the purpose of the 'rel=' preconnect' in HTML link tags? MCQ with Answer and Explanation

Question
What is the purpose of the 'rel=' preconnect' in HTML link tags?
A. To preload critical assets
B. To prefetch pages
C. To establish an early connection to an origin for future requests
D. To prerender pages
Answer: Option C
Solution (By JKSSB Mock Tests)
preconnect tells the browser to perform early DNS resolution, TCP handshake, and TLS negotiation for a specified origin, improving performance for future requests.
This question belongs to: Computer Internet and Web Technologies
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Question #1
Which of the following is an extension to the basic email protocol that permits the transmission of non-text attachments such as images, audio, and documents?
A. MIME
B. IMAP
C. SMTP
D. POP3
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Correct Answer: Option A

Explanation:
MIME (Multipurpose Internet Mail Extensions) extends the basic email capabilities to allow multimedia attachments and non-ASCII character sets.
This question belongs to: Computer Internet and Web Technologies
Question #2
What is the function of the 'bcc' option in electronic mailing interfaces?
A. To block junk automated messages from landing inside your clean primary folders
B. To prioritize email data packets over standard text routing paths
C. To automatically forward incoming communications to alternative server accounts
D. To send a blind carbon copy where designated recipient identities remain private from others
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Correct Answer: Option D

Explanation:
Bcc stands for Blind Carbon Copy. It allows an email to be sent to a recipient without their identity being disclosed to other primary or carbon-copied recipients.
This question belongs to: Computer Internet and Web Technologies
Question #3
What does a '500 Internal Server Error' message from a web address generally represent?
A. The client computer has disconnected from its router box.
B. The user entered an incorrect account password.
C. The specific webpage directory structure was typed incorrectly.
D. A general-purpose error indicating that the server encountered an unexpected condition that prevented it from fulfilling the request.
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Correct Answer: Option D

Explanation:
The 500 status code is a generic catch-all server-side error showing that the web server ran into a script configuration or system conflict preventing normal execution.
This question belongs to: Computer Internet and Web Technologies
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