Answer: D
Explanation: D. A database is software which is designed to store massive amounts of data and organize them in such a way that information can easily be worked on (added, deleted, moved, etc...).
Answer:
Basic auth is an authentication where username and password are sent with an HTTP request unencrypted (just base64 encoded).
OAuth is a scheme whereby you perform a login at an IAM server, which gets you a token, and then you provide the token with requests to another server.
They are closer to the people and they work than a senior management
The disc drive, I believe.