评估提供 IT 服务和解决方案的工具和技术，并选择最合适的工具和技术。评估所有可用方法和工具的优缺点。选择最有效和最有效的方法。 Assessing the tools and techniques for delivering IT services and solutions, and choosing the most appropriate tools and techniques. Evaluate the pros and cons of all the methodologies and tools available. Choose the most efficient and effective methodology.