The navigation bar is a list of pages of a website to easily navigate thought their site. Typically it is found in the top of the website. Others are found on the sides. Navigation bars are even used in some file browsers, not just in websites. It's sole purpose is to aid the user or visitor in accessing the information.
For compute-optimized cloud offerings like AWS, suitable use cases are - gaming, distributed analytics, and scientific modeling. Since all these are suitable, the correct answer is E.
