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. .gov

B. .org

C. .com

D. .edu

Answer: Option D

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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Which of the following protocols is fundamentally used to resolve physical MAC addresses from known network layer IP addresses?

A. ICMP

B. DNS

C. ARP

D. DHCP

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Correct Answer: Option C

Explanation:
ARP (Address Resolution Protocol) resolves a network layer internet protocol (IP) address into its corresponding data link layer hardware MAC address.

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Question #2

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What is the purpose of the 'action' attribute in an HTML form?

A. To set the character encoding

B. To specify the URL where form data should be sent

C. To validate form input

D. To define the HTTP method

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Correct Answer: Option B

Explanation:
The action attribute defines the URL to which the form's data is submitted when the form is submitted.

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Question #3

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Which parameter in web security represents a 'CAPTCHA' mechanism's core function?

A. To optimize page asset loading pipelines

B. To encrypt incoming data flows traveling via wireless access points

C. To scan servers for malicious virus files automatically

D. To differentiate human users from automated bot scripts through automated tests

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Correct Answer: Option D

Explanation:
CAPTCHA is designed to determine whether a user is human or an automated bot, helping prevent spam signups and brute-force attacks.

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