Which of the following is a protocol for synchronizing email across multiple devices? MCQ with Answer and Explanation

Question
Which of the following is a protocol for synchronizing email across multiple devices?
A. IMAP
B. MIME
C. SMTP
D. POP3
Answer: Option A
Solution (By JKSSB Mock Tests)
IMAP synchronizes email folders and messages across devices, ensuring that actions on one device reflect on others, unlike POP3 which is typically download-and-delete.
This question belongs to: Computer Internet and Web Technologies
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Practice More Internet and Web Technologies Questions

Question #1
What is the purpose of the 'If-Modified-Since' HTTP header?
A. To set the last modified time
B. To request a conditional GET if the resource has been modified since the date
C. To check for updates
D. To specify cache expiration
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Correct Answer: Option B

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 #2
Which of the following bodies manages the allocation of IP addresses, domain name management, and protocol identifiers globally?
A. IEEE
B. W3C
C. IETF
D. ICANN
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Correct Answer: Option D

Explanation:
ICANN (Internet Corporation for Assigned Names and Numbers) coordinates the global internet's systems of unique identifiers, including IP addresses and the Domain Name System.
This question belongs to: Computer Internet and Web Technologies
Question #3
What is the purpose of the 'User-Agent' header in HTTP requests?
A. To identify the client software making the request
B. To provide the user's IP address
C. To authenticate the user
D. To specify the preferred language
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Correct Answer: Option A

Explanation:
The User-Agent header allows the server to identify the type of browser, operating system, and version, enabling content adaptation.
This question belongs to: Computer Internet and Web Technologies
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