14) Which topology combines characteristics of linear bus and star topologies?

15) How many pairs of wires contains in category 5 UTP cable?

16) What is the maximum speed supported by category 5 UTP cable?

17) Which of the following cable transmits messages in the form of light waves?

18) Which device is installed in a subscriber's telephone line to allow both ADSl and regular voice (telephone) services to be used at the same time?