Answer:
It create a new file in which writing of data begins.
Explanation:
A file can be open in the three mode:
-r (Read mode): open an existing file for the purpose of reading data from it.
-w (write mode): Create a new file for the purpose of writing data to it.
-a (append mode): open an existing file for the purpose of appending extra data to it but if the file does not exist, it create a new file and start writing data to it.
Assuming the client is using a web browser, your answer would most likely be the Hyper-Text Transfer Protocol (HTTP).
HTTP is a very, very common way of transfering insensitive data from client to server. HTTPS is more secure, adding a secure socket layer to protect communications from being intercepted.
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As an alternative answer, the FTP (File Transfer Protocol) may be an acceptable answer, but this is usually not the primary method of communication for clients, as it is mainly used to access and modify files on the server, requiring a username-password combo to do so (usually).
A subject of what people say at the time, most used, famous at the present time
