If a company has only a few servers, small and medium-sized enterprises want less investment to deploy a simple architecture. Which one is recommended?

Which of the following descriptions of distributed storage are correct? (Multiple Choice)

Which interfaces are used for mechanical hard drives in the storage system? (Multiple Choice)

DAS is divided into internal DAS and external DAS

A company has a variety of services such as mail and online storage, and has limited storage space. It plans to use Smart Thin technology to optimize storage space.
Regarding Smart Thin, which of the following statements are correct? (Multiple Choice)