TRUE OR FALSE
1. T
2. T
3. F
4. T
5. T
6. F
7. T
8. T
9. F
10. T
11. F
12. F
13. T
14. F
15. T
MULTIPLE CHOICE
1. B
2. B
3. B
4. D
5. A
6. A
7. D
8. A
, 9. A
10. B
11. C
12. D
13. A
14. B
15. C
SHORT ANSWER
1. wireless
2. Local Area Network (LAN)
3. Wide Area Network (WAN)
4. client/server
5. infrastructure
6. effectiveness
7. RTC (real-time communications) dashboard
8. Presence
9. Web conferencing
10. Unified messaging
11. circuit switching
12. packet switching
13. ISO (International Organization for Standardization)
14. ITU (International Telecommunication Union)
15. NIST (National Institute of Standards and Technology)
CHAPTER 1: INTRODUCTION
TRUE OR FALSE
,T F 1. The four forms of information used by modern information
systems are voice, data, image, and video.
T F 2. The number of computers and terminals at work in the world
today is over 100 million.
T F 3. Communications technologies using data networks have essentially
replaced telephone networks in today’s business settings.
T F 4. Computerization has enhanced the range of features available to
businesses for voice communication.
T F 5. The need to store and transmit images has been a driving force in
the development of networking technology.
T F 6. Video networks in business are used primarily to deliver
programming.
T F 7. Data compression is used to minimize the amount of information
that must be transmitted in networks.
T F 8. The major cost component for communications is the resource
needed to transmit data across distance.
T F 9. Wireless networks have the advantage of mobility, but the
, disadvantage of difficult implementation.
T F 10. The basic building block of any communications facility is the
transmission line.
T F 11. The two media technologies currently driving the evolution of
data communications networks are local area networks and cable
television networks.
T F 12. The most common example of packet switched technology is the
modern telephone network.
T F 13. Mobility is the newest frontier for ICT managers.
T F 14. Cloud computing is being embraced by all major business
software vendors with the exception of Oracle.
T F 15. Convergence refers to the merger of previously distinct
telephony and information technologies and markets.
MULTIPLE CHOICE
1. The three forces that have driven the architecture and evolution of data
communications and networking facilities are: