Which of the following extensions in a URL represents a top-level domain (TLD) reserved exclusively for accredited educational institutions? MCQ with Answer and Explanation

Question

Which of the following extensions in a URL represents a top-level domain (TLD) reserved exclusively for accredited educational institutions?

A. .com

B. .edu

C. .org

D. .gov

Answer: Option B

Solution (By JKSSB Mock Tests)

The '.edu' top-level domain (TLD) is reserved strictly for educational organizations and institutional bodies, primarily in the United States.

This question belongs to: Computer Internet and Web Technologies

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Question #1

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In the email communication system, what does the 'Mail Delivery Subsystem' error message '451' or a 'Bounce Email' generally indicate?

A. The attached file is completely clear of malware definitions.

B. The message could not be delivered due to a temporary server issue or configuration failure.

C. The target email address does not exist or has been permanently disabled.

D. The recipient read your sent email successfully.

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Correct Answer: Option B

Explanation:
A bounce message containing a temporary error code typically implies server-side issues, a full inbox, or network congestion that temporarily blocks delivery.

This question belongs to: Computer Internet and Web Technologies

Question #2

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What does the 'HttpOnly' attribute flag instruct a web browser to do when handling a specific session cookie?

A. To force the web page content layout into a text-only presentation mode

B. To delete the cookie instantly when the network switches to an alternative port path

C. To ensure the cookie only operates when accessing local intranet platforms

D. To prevent client-side scripts (like JavaScript) from accessing the cookie, reducing the risk of data theft via Cross-Site Scripting (XSS)

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Correct Answer: Option D

Explanation:
The 'HttpOnly' security flag prevents client-side scripts from reading cookie strings via properties like 'document.cookie', protecting session tokens from malicious script injection exploits.

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Question #3

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What structural element forms the separator dividing individual query parameter pairs inside a standard URL structure, such as '?id=1&page=2'?

A. The ampersand (&) character

B. The colon (:) character

C. The hash (#) character

D. The forward slash (/) character

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Correct Answer: Option A

Explanation:
In a URL query string, the question mark (?) initiates the parameters, while individual key-value pairs are separated from each other using the ampersand (&) character.

This question belongs to: Computer Internet and Web Technologies

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