Because the software is separate from the physical host computer, users can run multiple OS instances on a single piece of hardware, saving a company time, management costs and physical space.

DNS provides a network-accessible directory of IP addresses for the Internet, while the hosts file provides a local directory that is stored, for example, on a Personal Computer (PC) local hard drive.

Computer network architects design, build and maintain a variety of data communication networks, from expansive cloud infrastructures to smaller intranets. Along with a host of technical skills ...