Answer:
Best Example Is When You Want To Download A File. From You Will Send A Request Of That File Which That Request Will Be Send On Your Modem Or Router Then It Is Going To Be Sent To The Website You Requested To Give A Certain File You Want After That The Website Will Read Or Process Your Request Then It Will Find That File And Send It To Your Router Then To You.
The Main Idea Of Internet Is The Request/Receive Reply/Receive
