What is the primary function of the 'Subject' line field inside a standard electronic mail header pane? MCQ with Answer and Explanation

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What is the primary function of the 'Subject' line field inside a standard electronic mail header pane?

A. To provide a short summary description of the email's topic or purpose before the message is opened

B. To clear out temporary junk sender addresses automatically

C. To host heavy multimedia file attachments safely

D. To list the encrypted server IP routing metrics

Answer: Option A

Solution (By JKSSB Mock Tests)

The Subject header provides descriptive text summarizing the main topic or intent of the email message for the recipient.

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What is the purpose of the 'viewport' meta tag in HTML?

A. To define the initial scale

B. To set the zoom level

C. To control the layout on mobile browsers

D. All of the above

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Correct Answer: Option D

Explanation:
The viewport meta tag is used to set the visible area and scaling for mobile devices, including width, initial scale, etc.

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Question #2

Which of the following is a protocol used for transferring files over the internet, often used for uploading website content?

A. SMTP

B. DNS

C. FTP

D. HTTP

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Correct Answer: Option C

Explanation:
FTP (File Transfer Protocol) is used to transfer files between client and server, commonly used for uploading website files to web hosts.

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Question #3

Which of the following is a common method to prevent clickjacking?

A. SameSite cookie attribute

B. X-Frame-Options header

C. Content-Security-Policy with frame-ancestors

D. Both A and B

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Correct Answer: Option D

Explanation:
Both X-Frame-Options and CSP's frame-ancestors directive can be used to control iframe embedding, preventing clickjacking.

This question belongs to: Computer Internet and Web Technologies

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