# 6.5 Summary From TCP/UDP to IPv4/IPv6, there is an incredible amount of minutia that may affect the development of your app that we are unable to cover in a lesson under a textbook in length. However, there doesn’t exist a single widely used app that doesn’t require networking of some kind. This lesson just scratches the surface of how networking allows your app to coordinate with servers, but it will have been enough to get you started. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://android-course.cornellappdev.com/chapters/6.-networking/6.4-summary.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.