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Test Chapter 2 – TEE2A0 –Multiple Choice

1. A computer network is an integration of computer systems, workstations, and communication links.

a) true          b) false          c) only true in a LAN            d) only true in a WAN

2. Four main hardware components of a network are

a)     Personal computers, mainframes, laptops, hubs

b)    Supercomputers, printers, personal computers, mainframes

c)    Mainframes, laptops, hubs, printers

d)    None of the above

3. Software components of a network are

a)     Application, desktop software, and networking operating systems.

b)    Application, desktop software, and printer drivers

c)    Printer drivers, desktop software, and networking operating systems

d)    None of the above

4. Two main advantages of networking computers.

a)     Saves money and taxes

b)    To reach far places and to share info

c)    To share printers and allow multiple users

d)    None of the above

e)     All of the above

5. a) Analog and digital signals are both real-world signals

b) Digital signals are real-world signals only

c) Digital signals are electrical binary signals

d) Analog signals can vary continuously

e) Both (C) and (d) are true answers

6. Two examples of analog signals are

a)     Temperature and DC voltage

b)    Pressure and Temperature

c)    DC Voltage and Current

d)    A switch going on and off

7. Examples of digital signals are

a)     Temperature and DC voltage

b)    Pressure and Temperature

c)    DC Voltage and Current

d)    A switch going on and off

e)     Both  (C) and  (D) are correct examples

8. The word MODEM is derived from these two words

a)     Modulator/demonstration                      b) model/digital

c)    Modulator/demodulator               d) modern/desktop

9. A modem converts digital computer signals to analog transmissions and vice versa
   a) true          b) false          c) only on the internet           d) only on MSN
10.  A modem can be used to transfer information between two computers
    a) true          b) false          c) only on the internet           d) only on MSN
11. Digital signals can ONLY be transmitted in
    a) parallel form           b) serial form          c) both (A) and (B)
    d) neither (A) nor (B)
12. A serial transmission sends
    a) one bit at a time                               b) 8 bits at a time                              
    c) either 8 bits or 1 bit at a time           d) 16 bits at a time          
13. A serial transmission sends
    a) one bit at a time                               b) 8 bits at a time                              
    c) either 8 bits or 1 bit at a time           d) 16 bits at a time          
14. a) Parallel transmissions are faster than serial transmissions
    b) Parallel transmissions are slower than serial transmissions
    c) parallel transmissions are just as fast as serial transmissions
    d) Serial transmissions are not generally used in networks
15. a) Parallel transmissions require individual lines
    b) Parallel transmissions are more expensive than serial transmissions
    c) Both (A) and (B) are true
    d) Both (A) and (B) are false
16. Data transfer on a computer motherboard is
    a) asynchronous                          b) synchronous
    c) symmetric                       d) asymmetric          )
17. A fixed clock signal is an example of_…………… transmission
    a) asynchronous                          b) synchronous
    c) symmetric                       d) asymmetric

18. Data that moves between two computers over phone lines is an example of …………….. transmission
    a) asynchronous                          b) synchronous
    c) symmetric                       d) asymmetric
19.  Three main types of cable transmissions are
    a) twisted pair, deformed pair, fibre optic
    b) twisted pair, telegraph, wireless
    c) supersonic, subsonic, coaxial
    d) coaxial, fibre optic, twisted pair
    e) twisted triplets, contorted cable, distorted brain
20. Two advantages of twisted pair cables are
    a) long distance reach and low volume transmission
    b) low cost and long distance reach
    c) large data transfer and low cost
    d) inexpensive installation and susceptible to interference
21. Two disadvantages of fibre optic cables are
    a) long distance reach and low volume transmission
    b) low cost and long distance reach
    c) large data transfer and low cost
    d) expensive installation and susceptible to interference
    e) expensive installation and not readily available everywhere
22. Two advantages of coaxial cables are
    a) long distance reach and relatively inexpensive
    b) low cost and long distance reach
    c) large data transfer and low cost
    d) inexpensive installation and not susceptible to interference
23. Two disadvantages of coaxial cables are
    a) long distance reach and relatively inexpensive
    b) low cost and long distance reach
    c) large data transfer and low cost
    d) expensive installation and susceptible to interference
24.  ………… have a an outer protective insulator as opposed to a plastic casing
    a) coaxial cables                              b) fibre optic cables
    c) twisted pair cables                    d) telephone wires
25. ……….. will permit global communications
    a) three satellites          b) one satellite          c) two satellites           d) four satellites
26. ……….would prove to be redundant in global communications
    a) three satellites          b) one satellite          c) two satellites           d) four satellites
27. A single, central, external connection device used to control the signals on a network is called a
    a) node            b) server           c) router           d) hub
28. LAN stands for
    a) long annular node          b) land network          c) large area network
    d) local area network          e) none of the above
29. WAN stands for
    a) World annular node          b) World Analog network          c) Wired area network
    d) Wide area network          e) none of the above
30. Computer networks allow different kinds of computers to be linked together and share resources
    a) true                    b) false             c) only on WANS                 d) only on LANS
31. A PC based network provides less flexibility for additional computations
    a) true                    b) false             c) only on WANS                 d) only on LANS
32. Networked PCs are more flexible to changing environments
    a) true                    b) false             c) only on WANS                 d) only on LANS
33. The term……….. is used to describe the physical organization of computers on a  LAN
    a) topology                                  b) wireless system                                          c) peer-to-peer system                 d) client-server system
34. In a. ……………Network, computers are linked together in series on a common trunk line
    a) serial            b) star                              c) ring          d) bus
35. In a. ……………Network, computers are linked together through a hub, but they are independent of each other
    a) serial            b) star                              c) ring          d) bus
36. One advantage of a rig-type network is that transmissions are very fast abd efficient.  One disadvantage is that
    a) they are very complicated           b) they don’t use a hub
    c) if the main line is disconnected, the token is interrupted
    d) if one computer is disconnected, the token is interrupted
37. Three types of networking software are
    a) operating system, application, graphics
    b) network operating system, application, workstation
    c) operating system, workstation, graphics
    d) workstation, application, graphics
38. ……………… handles the communication between the various workstation operating systems
    a) operating system software           b) application software
    c) graphics interface software          d) network operating system
39. A …………………… network operating system refers to the file server itself
    a) client-client                      b) peer-peer
    c) client-server                     d) peer-server
40.  In a. ………… Network, the network operating system is stored on each individual computer so that each computer works both as server and workstation
    a) client-client                      b) peer-peer
    c) client-server                     d) peer-server
41. The term client, in computer networking refers to
    a) computer on a server based network          b) a server
    c) a user on a network                 d) both a (A) & (C)          e) none of the above
42. Seymour Cray is credited with the development of the
    a) Supercomputer                        b) Internet                           c) both (A) & (B)
    d) none of the above
43. a) The Internet is an example of a WAN
    b) An Intranet is an example of a LAN
    c) both Internet and Intranet are examples of LANs
    d) both Internet and Intranet are examples of WANs
44. The term www stands for
    a) wide world WAN          b) World wide WAN          c) world wide web
    d) none of the above
45. The term ISP stands for
    a) Internet system protocol          b) internet service provider
    c) internet service policy           d) intranet service provider
    e) both (b) and (d)
46. The development of the internet has created a society of “haves” and “have nots”
    a) False          b) True          c) Maybe          d) Only in the beginning
47. The term IRC is a short form for
    a) Internet request Call                              b) Internet Related Chat
    c) International Router Control                 d) Intranet Request Control
48. A device that connects different network technologies together is called a  
    a) hub                              b) modem                 c) router           d) node
49. A device, such as a computer or printer, connected on a network is known as a
    a) hub                              b) modem                 c) router           d) node
50. The first internet service that allowed messages to be sent among users is 
    a) e-mail              b) chat             c) ICQ             d) MSN