Which of the following fields in an email header allows you to send a copy of a message to a recipient without their email address being visible to other recipients? MCQ with Answer and Explanation

Which of the following fields in an email header allows you to send a copy of a message to a recipient without their email address being visible to other recipients?
A. To
B. Subject
C. Cc
D. Bcc
Answer: Option D
Solution (By JKExamLibrary)
Bcc stands for Blind Carbon Copy. Addresses added to the Bcc field are hidden from all other recipients of the email.

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What is the purpose of the 'Host' header in an HTTP request?
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B. To authenticate the user
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Correct Answer: Option C


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What is the purpose of the 'viewport' meta tag in HTML?
A. To control the layout on mobile browsers
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Correct Answer: Option D


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What does the 'WWW' prefix in a URL usually signify?
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Correct Answer: Option D


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The 'www' prefix is a common subdomain indicating that the resource is part of the World Wide Web, though it is not required and many sites omit it.

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