Which element in a modern web landscape describes an automated computer algorithm that monitors pricing, inventory, and text updates across thousands of e-commerce sites via systematic web scraping? MCQ with Answer and Explanation
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Question #1
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What is the purpose of the 'Cookie' header in an HTTP request?
Correct Answer: Option D
Explanation:
The Cookie header is used by the client to send previously stored cookies to the server, enabling session management.
The Cookie header is used by the client to send previously stored cookies to the server, enabling session management.
This question belongs to:
Computer
Internet and Web Technologies
Question #2
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Which of the following is a protocol for synchronizing email across multiple devices?
Correct Answer: Option B
Explanation:
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.
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
Question #3
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What is the purpose of the 'If-Modified-Since' HTTP header?
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.
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
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