A banking and financial services company has created a web portal. The deployment topology consists of EC2$2$ instances which is running the web application. The company has decided to use ________$\_\_\_\_\_\_\_\_$ for installing the application. One of the use case allows the customers to upload application forms which will be stored in ______.$\_\_\_\_\_\_.$ The application may produce non critical intermediate files which can be easily recreated which needs to be saved in ______.$\_\_\_\_\_\_.$ The application also needs global configuration files and intends to produce logs and for this scenario the company intends to use ________$\_\_\_\_\_\_\_\_$ such that these files can be accessed by another fleet of management instances.