Which of the following is a service that allows users to register domain names and host websites? MCQ with Answer and Explanation

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Which of the following is a service that allows users to register domain names and host websites?

A. Search engine

B. Domain registrar

C. Web hosting provider

D. Both a and b

Answer: Option D

Solution (By JKExamLibrary)

Many companies offer both domain registration and web hosting services, so 'Both a and b' is correct.

This question belongs to: Computer Internet and Web Technologies

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Question #1 Report Error

Which of the following is a popular web-based diagramming tool?

A. Creately

B. Draw.io

C. Lucidchart

D. All of the above

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Correct Answer: Option D

Explanation:
Lucidchart, Draw.io, and Creately are all web-based tools for creating diagrams and flowcharts.

This question belongs to: Computer Internet and Web Technologies

Question #2 Report Error

What is the purpose of the 'If-Modified-Since' HTTP header?

A. To check for updates

B. To specify cache expiration

C. To request a conditional GET if the resource has been modified since the date

D. To set the last modified time

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Correct Answer: Option C

Explanation:
If-Modified-Since allows the client to request the resource only if it has been modified since the specified date, saving bandwidth.

This question belongs to: Computer Internet and Web Technologies

Question #3 Report Error

Which HTTP method is idempotent?

A. POST

B. DELETE

C. PUT

D. Both PUT and DELETE

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Correct Answer: Option D

Explanation:
PUT and DELETE are idempotent: multiple identical requests have the same effect as a single request. POST is not idempotent.

This question belongs to: Computer Internet and Web Technologies

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