While most are designed for preparing for certification testing, they can offer a great benefit for building a virtual server environment at a reduced cost relative to buying the real hardware.

虽然大多数模拟器是为认证测试准备工作而设计的，但是相对于购买实际硬件，模拟器能够以很低的成本构建虚拟服务器环境，从而提供极大的好处。