(翻译)1．SQL Server is designed to allow thousands of users to access the database at the same time and is a true client/server database system.
2．An application software is any program designed to perform a specific function directly for the user or, in some cases, for another application program.
3．A small network may only connect two computers inside a home to share a single printer and Internet connection
4．There is free firewall software available that can run on your computer and provide a good level of protection to your network.
