1) Circuit switching makes much more efficient use of the communications capacity of a network
than does packet switching. (T,F)

2) Data is sent through the fiber-optic cable by a(n):
A) multiplexer. B) router. C) optical device. D) laser device.

3) Which type of signals follow a straight line and do not bend with the curve of the Earth?
A) microwave B) satellite C) fiber-optic D) radio

4) ________ work by using radio waves to communicate with radio antennas placed within adjacent
geographic areas.
A) Satellites B) Information appliances
C) Microwaves D) Cell phones

5) The total amount of digital information that can be transmitted through any telecommunications
medium is measured in:
A) baud. B) gigaflops. C) bps. D) hertz.

6) What competitive force do intelligent agent shopping bots enhance?
A) Substitute products B) Traditional competitors
C) Product differentiation D) Bargaining power of customers

7) Based on your reading of the examples in the chapter, what are the best business uses of RFID?
A) Lowering network costs B) Supply chain management
C) Enabling client communication D) Transaction processing

8) Prior to the development of ________, computer networks used leased, dedicated
telephone circuits to communicate with other computers in remote locations.

9) A(n) ________ is a set of rules and procedures governing transmissions between the
components in a network.

10) A(n) ________ is that part of the network handling the major traffic and providing the
primary path for traffic flowing to or from other networks.

11) Lotus Notes is an example of software called ________.

12) A network of interconnected wireless devices, embedded into the physical environment to
provide measurements of many points over large areas, is called a(n) ________.