Which standard port is used by default by the IMAP protocol for secure, encrypted email communication (IMAPS)? MCQ with Answer and Explanation

Question
Which standard port is used by default by the IMAP protocol for secure, encrypted email communication (IMAPS)?
A. 993
B. 995
C. 465
D. 143
Answer: Option A
Solution (By JKSSB Mock Tests)
While port 143 is default for unencrypted IMAP, port 993 is the standard allocated port for secure IMAP (IMAPS) over SSL/TLS.
This question belongs to: Computer Internet and Web Technologies
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Question #1
What does a '400 Bad Request' HTTP response status code indicate?
A. The web hosting facility has completely crashed down.
B. The file was successfully delivered to the local device memory.
C. The requested webpage requires an encrypted private key access certificate.
D. The server cannot process the request because of something perceived to be a client error (e.g., malformed request syntax, invalid routing layout).
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Correct Answer: Option D

Explanation:
A 400 Bad Request error indicates that the web server could not understand or process the incoming request due to structural flaws or invalid syntax generated by the client browser.
This question belongs to: Computer Internet and Web Technologies
Question #2
What is the primary purpose of 'incognito' or 'private browsing' mode available in modern web browsers?
A. To completely encrypt all outgoing network traffic from the computer
B. To prevent the local device from saving browsing history, cookies, and form data
C. To bypass paid subscription firewalls and access locked web content
D. To provide absolute anonymity from Internet Service Providers (ISPs)
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Correct Answer: Option B

Explanation:
Private browsing modes simply ensure that your local session history, cookies, and temporary data are wiped from the device when the window is closed.
This question belongs to: Computer Internet and Web Technologies
Question #3
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. Cc
B. Subject
C. To
D. Bcc
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Correct Answer: Option D

Explanation:
Bcc stands for Blind Carbon Copy. Addresses added to the Bcc field are hidden from all other recipients of the email.
This question belongs to: Computer Internet and Web Technologies
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