As an it professional you may support databases, but not do any application coding, why do you think it is still important to understand the web server environment and the different standards and architectures used within that environment?

It is important to understand that the styles describe different aspects of applications. For example, some architectural styles describe deployment patterns, some describe structure and design issues, and others describe communication factors. Therefore, a typical application will usually use a combination of more than one of the styles described in this chapter.