Study Guides (400,000)
CA (150,000)
York (10,000)
ITEC (100)
Final

ITEC 1000 Chapter 6: Chapter 06Exam


Department
Information Technology
Course Code
ITEC 1000
Professor
Peter Khaiter
Study Guide
Final

This preview shows pages 1-3. to view the full 14 pages of the document.
Chapter 06 : Telecommunications and Networks
True / False Questions
1. A change in technology often induces social, political, and economic system changes long before a
critical mass of users is reached.
True False
2. The telecommunications industry has changed from a deregulated market to government-regulated
monopolies.
True False
3. Middleware is an essential component of any IT infrastructure because it allows disparate systems to
be isolated.
True False
4. Business-to-business electronic commerce websites can be used by businesses to establish strategic
relationships with their customers and suppliers.
True False
5. The Internet has a central computer system that is the most powerful in the world.
True False
6. The Internet provides electronic discussion forums and bulletin board systems that are formed and
managed by special-interest newsgroups.
True False
7. Booking a reservation over the Internet costs an airline about 50 percent less than booking the same
reservation over the telephone.
True False
8. An intranet is a network inside an organization that uses Internet technologies to provide an Internet-
like environment within the enterprise.
True False
9. Intranets seldom have much impact on communications and collaboration within an enterprise.
True False
10. Software that is installed on intranet Web servers can be accessed by employees within the
company or by external business partners who are using Web browsers, if access is allowed by the
company.
True False

Only pages 1-3 are available for preview. Some parts have been intentionally blurred.

11. If access to data is not restricted with passwords and other security mechanisms, the integrity of the
data can be easily compromised.
True False
12. An extranet is a network inside a company that uses Internet technologies to provide a private
Internet-like network environment to the firm.
True False
13. Web browser technology makes customer and supplier access of intranet resources a lot easier and
faster than with previous business methods.
True False
14. A client/server network of several interconnected local area networks can replace a large
mainframe-based network with many end user terminals.
True False
15. The network-centric concept views the PC as the central computing resource of any computing
environment.
True False
16. In the central server architecture of P2P networking, the P2P software connects your PC to a central
server with the directory of all users of the network.
True False
17. In the pure peer-to-peer architecture of P2P networking, the P2P software connects your PC to a
central server with the directory of all users of the network.
True False
18. The Internet, as originally conceived in the late 1960s, was a pure peer-to-peer system.8
True False
19. The unique achievement of Napster was the empowerment of the peers, in association with a central
index, to quickly and efficiently locate available content.
True False
20. Output from analog devices must be converted into digital form in order to input it into a computer.
True False
21. Today, ordinary telephone wire is the least used medium for telecommunications.
True False
22. Newly developed optical routers will be able to send optical signals up to 2,500 miles without
regeneration.
True False

Only pages 1-3 are available for preview. Some parts have been intentionally blurred.

23. Communications satellites can use microwave radio as their telecommunications medium.
True False
24. PCS phone systems cost substantially more to operate and use than cellular systems, but have lower
power consumption requirements.
True False
25. Wi-Fi is faster and less expensive than Standard Ethernet and other common wire-based LAN
technologies.
True False
26. A Bluetooth chip is designed to replace cables; it takes the information normally carried by a cable
and transmits it to a receiver Bluetooth chip.
True False
27. In frequency division multiplexing (FDM), a multiplexer effectively divides one high-speed channel
into multiple high-speed channels.
True False
28. Multiplexers work to increase the number of transmissions possible, while also increasing the
number of physical data channels.
True False
29. Telecommunications and network management software can reside in communications processors,
such as multiplexers and routers.
True False
30. Mainframe-based wide area networks frequently use telecommunications monitors or
teleprocessing monitors.
True False
31. The Open System Interconnection (OSI) model was officially adapted as an international standard by
the International Organization of Standards (ISO).
True False
32. The Internet uses a system of telecommunications protocols that have become so widely used that
they are now accepted as a network architecture.
True False
33. An IP address is expressed as four decimal numbers separated by periods, such as 127.154.95.6.
True False
34. IP addressing can identify a particular PC connected to the Internet, but not the network to which it
is attached.
True False
You're Reading a Preview

Unlock to view full version