What is the benefit of a cloud computing infrastructure? ○ companies have full control over the data that is hosted. ○ companies need to pay for only the resources used. ○ companies can host all applications internally on their own servers. ○ companies do not need to worry about the security of hosted data.

What is domain name system (dns)? allows dynamic ip address allocation so users do not have to have a preconfigured ip address to use the network converts ip addresses into domains, or identifying labels that use a variety of recognizable naming conventions the efficient coexistence of telephone, video, and data communication within a single network, offering convenience and flexibility not possible with separate infrastructures the integration of communication channels into a single service