-------A query string is the string of key=value pairs separated by & – McqOptions

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1.	-------A query string is the string of key=value pairs separated by & symbol andappended to URL after ? symbol. For example, http://localhost/testscript?name=xyz&age=20 URL returns trailing query string.Sol:
A.	$_SERVER
B.	SERVER_ADDR
C.	SERVER_NAME
D.	QUERY_STRING
Answer» E.

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