A web-based application can be deployed on the following environments: 1. OS (Windows and Linux) 2. Web server (IIS 5.0 and Apache) 3. Database (Oracle, SQL Server) 4. Browser (IE 6.0 and Firefox) How...

A web-based application can be deployed on the following environments: 1. OS (Windows and Linux) 2. Web server (IIS 5.0 and Apache) 3. Database (Oracle, SQL Server) 4. Browser (IE 6.0 and Firefox) How many configurations would you have to test if you were to exhaustively test all the combinations? What criteria would you use to prune the above list?