TRANSPORT LAYER
INTRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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the combination of the source and destination IP address and source and destination Ethernet address
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the combination of a source IP address and port number or a destination IP address and port number
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the combination of the source and destination sequence and acknowledgment numbers
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the combination of the source and destination sequence numbers and port numbers
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Detailed explanation-1: -The combination of the source and destination IP addresses and the source and destination port numbers is known as a socket. The socket is used to identify the server and service being requested by the client. Every day thousands of hosts communicate with millions of different servers.
Detailed explanation-2: -The combination of the source IP address and source port number, or the destination IP address and destination port number is known as a socket.
Detailed explanation-3: -A socket uniquely identifies the endpoint of a communication link between two application ports. A port represents an application process on a TCP/IP host, but the port number itself does not indicate the protocol being used: TCP, UDP, or IP.
Detailed explanation-4: -Definition: A socket is one endpoint of a two-way communication link between two programs running on the network. A socket is bound to a port number so that the TCP layer can identify the application that data is destined to be sent to. An endpoint is a combination of an IP address and a port number.