Which parameter is used to identify applications when a user sends a service request to a remote server?
- server IP address
- source port number
- TCP sequence number
- destination port number
Explanation: In TCP/IP transmissions, the protocols at the transport layer of both the OSI and TCP/IP model use port addressing to enable multiple conversations to be tracked and connected with the correct applications. The destination port number in the packets sent by the source device identifies the requested application.
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