The number of bits that a computer works with at one time is

1.A byte is:

1. 
   a binary digit
   
2. 
   an 8-bit word
   
3. 
   any group of bits
   
4. 
   three nibbles
   

2.The number of bits that a computer works with at one time is:

1. 
   a byte
   
2. 
   the computer’s word length
   
3. 
   always 32 bits
   
4. 
   always 64 bits
   

3.Parallel communication is:

1. 
   used between computers more often than serial communication
   
2. 
   usually more less expensive than serial communication
   
3. 
   usually faster than serial communication
   
4. 
   requires byte addressable memory
   

4.Which of the following is not a serial data communication standard:

1. 
   RS-232C
   
2. 
   RJ-45
   
3. 
   USB
   
4. 
   Firewire
   

5.A software program that is sometimes used when devices are connected to a computer is:

1. 
   a data bus
   
2. 
   a driver
   
3. 
   an analog to digital interface
   
4. 
   a router
   

6.Which of the following is a trade association:

1. 
   FCC
   
2. 
   ITU
   
3. 
   IEEE
   
4. 
   EIA
   

7.How many standard USB connectors are there:

1. 
   Two
   
2. 
   four
   
3. 
   six
   
4. 
   eight
   

8.It is best to search for an equipment manufacturer’s manuals for connecting a device to a PC:

29. 
    using Google
    
30. 
    directly on the equipment manufacturer’s website
    
31. 
    directly on the PC manufacturer’s website
    
32. 
    at the place where the equipment was purchased
    

9.The best way to tell if a device needs a driver is to:

1. 
   read the label on the device
   
2. 
   plug it in and turn it on
   
3. 
   take a driving test
   
4. 
   read the manual for the device
   

10.USB devices:

1. 
   always need peripheral drivers
   
2. 
   always need bus drivers
   
3. 
   never need drivers
   
4. 
   sometimes need drivers
   
   
   

11.Which of the following is not a common ISP broadband network technology:

1. 
   Coaxial cable
   
2. 
   DSL
   
3. 
   Ethernet
   
4. 
   Fiber optics
   

12.Which device moves data between networks:

1. 
   a broadband modem
   
2. 
   an RJ-45 cable
   
3. 
   a router
   
4. 
   a network adapter
   

13.each computer connected to a wireless network must have:

1. 
   a wireless broadband modem
   
2. 
   a wireless RJ-45 cable
   
3. 
   a wireless router
   
4. 
   a wireless network adapter
   

14.An Internet Service Provider usually installs and sets up:

53. 
    a broadband modem
    
54. 
    the necessary RJ-45 cables
    
55. 
    a wireless router
    
56. 
    a network adapter
    

15.A router’s control panel is usually accessed:

1. 
   only by the ISP
   
2. 
   using a Web browser
   
3. 
   by removing the access cover on the back of the router
   
4. 
   by removing the router’s front cover
   

16.Which of the following uniquely identifies a network adapter?

1. 
   SSID
   
2. 
   MAC address
   
3. 
   IP address
   
4. 
   USB address
   

17.Which of the following is used to select a wireless home network from a PC?

1. 
   SSID
   
2. 
   MAC address
   
3. 
   IP address
   
4. 
   USB address
   

18.Which of the following is used to access a router’s control panel from a PC?

1. 
   SSID
   
2. 
   MAC address
   
3. 
   IP address
   
4. 
   USB address
   

19.If a wireless home network is unsecured, someone might be able to:

1. 
   steal data and files from your computer
   
2. 
   send email, spam or viruses to other computers from your computer
   
3. 
   slow down your Internet connection
   
4. 
   all of the above
   

20.Currently, most home that have Internet access have:

1. 
   a dial-up connection to the Internet
   
2. 
   fiber optic cable throughout the home
   
3. 
   an 802.11a wireless network at home
   
4. 
   an Ethernet broadband modem in the home
   

21.To help secure a wireless home network from outside intrusion, it is a good idea to:

81. 
    Use data encryption for your network
    
82. 
    Use an SSID that is not similar to your MAC address
    
83. 
    Use an SSID that is similar to your IP address
    
84. 
    Lock the wireless modem and router in a closet
    

22.Remote router administration on a home network:

1. 
   Should always be disabled
   
2. 
   Should never be enabled
   
3. 
   Should be disabled most of the time, but enabled if you need remote help
   
4. 
   Has no effect on network security
   

23.Which of these has a “home” IP address for a network:

1. 
   a router
   
2. 
   a printer
   
3. 
   a USB hard drive
   
4. 
   a computer’s internal data bus
   

24.to set up a wireless home network with Internet access you will first need to:

1. 
   have your ISP install a wireless router
   
2. 
   locate your broadband modem or have one installed
   
3. 
   remove any wires from the home that could interfere with the network
   
4. 
   apply for a home networking license from the FCC
   

25.MAC filtering on a router:

97. 
    requires you to enter the MAC address of each network adapter in the network
    
98. 
    prevents pesky Apple MAC owners from taking over your network
    
99. 
    allows Apple MAC compatible data to move over your network freely
    
100. 
     sends Apple MAC compatible data only to Apple MAC computers to avoid PC interference
     

CIS 103 – Applied Computer Technology name:_____________________________________

Chapter 5 – Data Communications Answers Sheet section:_____________________________________

1. 
   _b__
   
2. 
   _b__
   
3. 
   _c__
   
4. 
   _b__
   
5. 
   _b__
   
6. 
   _d__
   
7. 
   _c__
   
8. 
   _b__
   
9. 
   _d__
   
10. 
    _d__
    
11. 
    _c__
    
12. 
    _c__
    
13. 
    _d__
    
14. 
    _a__
    
15. 
    _b__
    
16. 
    _b__
    
17. 
    _a__
    
18. 
    _c__
    
19. 
    _d__
    
20. 
    _d__
    
21. 
    _a__
    
22. 
    _c__
    
23. 
    _a__
    
24. 
    _b__
    
25. 
    _a__
    

Directory: Faculty -> Cherbert
Faculty -> Handling Indivisibilities
Faculty -> Course overview
Faculty -> Curriculum vitae wei chen professor
Faculty -> Digital image warping
Faculty -> Samples of Elements Exam Question III contains All Prior Exam Qs III except
Faculty -> 【Education&Working Experience】
Faculty -> References Abe, M., A. Kitoh and T. Yasunari, 2003: An evolution of the Asian summer monsoon associated with mountain uplift —Simulation with the mri atmosphere-ocean coupled gcm. J. Meteor. Soc. Japan, 81
Faculty -> Ralph R. Ferraro Chief, Satellite Climate Studies Branch, noaa/nesdis
Faculty -> Unit IV text: Types of Oil, Types of Prices Grammar: that/those of, with revision
Cherbert -> Computer programming languages