Question

An example of a medium-speed, switched communications service is

• A. Series 1000
• B. DDD
• C. Data phone 50
• D. All of the above

Answer 1

Answer: (C)

Data phone 50

An example of a medium-speed, switched communications service is Data phone 50.

In computer networking and telecommunications, a switched communication network is a communication network which uses switching for connection of two non-adjacent nodes.Switched communication networks are divided into circuit switched networks, message switched networks, and packet switched networks.

A switched communications network transfers data from source to destination through a series of network nodes. Switching can be done in one of two ways. In a circuit-switched network, a dedicated physical path is established through the network.