An optional section at the end describes how to deploy the DayTrader sample application if you want to use it for testing.
在结尾处一个可选的小节描述了如果您希望将其用于测试的话，如何配置DayTrader例子应用程序。
2
Client expectation management, efficiency of the it delivery process, end-to-end traceability, testing, and future re-use are also problematic.
客户期望管理、IT交付流程的效率、端到端可跟踪性测试和未来的重用也都存在问题。
3
Consider an example: suppose when you are testing your application, you want to use a test username and password to connect to the back end Address Database rather than the default.