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  1. Which variable defines the data type of the content?
    1. http_user_agent
    2. http_cookie
    3. content_length
    4. content_type
    5. None of these
Correct Option: D

The data type of the content is defined by content_type variable, used when the client is sending attached content to the server, like file upload etc, the length of the query information is defined by content_length, it’s available only for POST requests.



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