It can be both according to the requirement of the business. for a comparison what the requirement may be try the link. http://technet.microsoft.com/en-us/library/cc758523.aspx
App is a short for Application, so yes.
SharePoint is an application server, but it requires (and extends) Internet Information Server, Microsoft's web server software.
In a traditional 3 tier architecture, the tiers include Web Server, App Server & Database Server. The Webserver holds the UI(User Interface), App Server holds Business Logic (Application) and Database Server holds Actual Data
A server is a database--on a server. The client is: a person on a PC connected to the server via odbc querying the database. A database is only an app on the server. You can have a domain controller, a mail server, a nat server, web hosting... doesnt matter whats on it. And the client wouldn't really be person, a person is referred to as a user. A client is generally the computer. So what is client server networking? Its when you have perhaps 4 clients all using the server for something. The server kinda being like a master. But usually most clients will look to the server for their network settings (DHCP), and perhaps NAT etc..... But like the above person mentioned you can have database's on your server. But your not just limited to database's, you can have mail server's, web servers, app server etc....
Yes. By using PSK.
In computing, an App (Application) Server is used to supply shared abilities to software applications such as Java, Microsoft, and many others. It's cool technology.
Through Pubic/Private Key.
PKI should help in this case.
To fix the "outdated server" bug in Minecraft PE, first ensure that your game is updated to the latest version available for your device. If the server you are trying to join is on a different version, either update the server or find a server that matches your game version. You can also check the server's website or community for any announcements regarding version compatibility. If the issue persists, restarting your app or device might help resolve temporary connectivity problems.
It doesn't have anything to do with your connection. It's typically the server that runs the Snapchat app, so it's coming from their end.
maybe 24 hours or more or less
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