What are two functions of a server on a network? (Choose two.)

What are two functions of a server on a network? (Choose two.)

A. handles requests from multiple workstations at the same time B. achieves redundancy by exclusively using virtual server clustering C. housed solely in a data center that is dedicated to a single client achieves redundancy by exclusively using virtual server clustering D. runs the same operating system in order to communicate with other servers E. runs applications that send and retrieve data for workstations that make requests