How can server tell the difference between clients?

Answer 1

This depends on the architecture. This could be hardware or software dependent.

On some servers, clients are routed to different physical lines of data transmission. On other servers, clients are routed to different ports. On other servers, the clients send identifying information about themselves. This identifying information may be sent when a session is created, in the information packets themselves, or in the data wrappers.

Answer 2

Every client is identified by a unique network address.

Answer 3

Each client has a unique IP address which identifies it on the network.

Answer 4

Using the different clients IP Adresses, A ip gives every Person on the internet a unique identity.

Answer 5

Each client has its own computer 'name' called an I.P. address. An example of an I.P address is 192.168.201.000

Answer 6

their ip address