Yes, at times both clients and servers can reverse roles. If a system is providing resources for another it is in a server role. If it is asking for resources on another system it is a client.
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The server is the central computer who gives instructions to the client computer, to make shure everyone can logon on any computer (client) an has the same documents-folder on every computer,...
Yes, it can if the client is offering resources to others. It is important to note, however, that the client still is using client software and is not considered to be a server even if offering...
The computer requesting information is called a CLIENT.
The computer responding to the request is called a SERVER.
Data transfer from a client to as server is reffered to as an upload.
EX. When...