QUESTION 1 is a type of data encryption that enables users of the Internet to securely and privately exchange data through the use of a pair of keys that is obtained from a trusted authority and shared through that authority. a. Secret key encryption b. A public key infrastructure c. A private key infrastructure d. Open key encryption

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