Which of the following is a computer network in which connections rely on radio waves at frequencies of 2.4 GHz or 5 GHz for transmission?

When ending an indirect message, a statement such as "I trust our decision is satisfactory" does what for the reader?

A) Avoids an uncertain conclusion B) Helps to manage future correspondences C) Expresses optimism D) Opens the opportunity for further discussion E) Shows the writer's sincerity

A server is a device that provides services and resources to other devices, called ________

A) areas B) networks C) clients D) wires