APPLICATION LAYER
SOCKET INTERFACE PROGRAMMING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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When a SERVER uses UDP, what must the programmer ensure is explicitly identified?
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Client IP address
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Client port number
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Both
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None of these
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Explanation:
Detailed explanation-1: -The application code at the server determines client IP address and port # from the initial segment sent by client, and must explicitly specify these values when sending into a socket back to that client.
Detailed explanation-2: -Create a socket with the socket() function; Bind the socket to an address using the bind() function; Send and receive data by means of recvfrom() and sendto().
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