Georgia State University

CIS 2010

Chapter 6

1)Network neutrality is a policy whereby Internet service providers charge customers different rates for their Internet use based on the type of content they are downloading. True/False

 

 

 

2. Broadband refers to a network with a high transmission capacity. True/False

 

3. The following can be considered as broadband technologies

 

1. 1. DSL
   2. Dial-up
   3. Cable
   4. All of these

 

4. A collection of the following devices — two desktop computers, three laptops, two smart phones and a printer — can be described as a(n):

 

4. 1. LAN.
   2. Network server.
   3. WAN.
   4. All of these
5. A(n)            can consist of one or more                .

 

1. 1. LAN, WANs
   2. WAN, enterprise networks
   3. LAN, enterprise networks
   4. Enterprise network, LANs

 

6. A modem can perform which of the following operations?

 

1. 1. Convert analog signals to digital signals only
   2. Convert digital signals to analog signals only
   3. Both of the following are correct: Convert analog signals to digital signals only; and convert digital signals to analog signals only
   4. Modems do not convert signals.

 

 

 

7. Fiber-optic cables are preferred over co-axial and twisted pair cables because (choose all that are correct):

 

1. 1. Fiber optic cables are less difficult to tap.
   2. Fiber optic cables offer higher security.
   3. Fiber optic cables are susceptible to interference.
   4. Fiber optic cables have very high bandwidth.

 

 

 

8. Network protocols describe

 

1. 1. The number of nodes in the network.
   2. The rules for communication within the network.
   3. The connections between the nodes in the network.
   4. The number of nodes in the network and the connections between them.

 

 

 

9. Ethernet, packet switching, HTTP, and TCP/IP are all examples of network protocols. True/False

 

 

 

10. Distributed computing refers to the distribution of computing tasks among one or more computers. True/False

 

 

 

11. An Intranet is a scaled-up version of the Internet that uses similar technologies. True/False

 

12. An Intranet that allows limited access to its partners, suppliers, and customers is called a(n):

 

1. Secure Intranet
2. Extranet
3. Corporate Web site
4. Portal

13. IPv6 will allow for                unique IP addresses. a) 128

b) 32

c) 2128

d) 232

 

 

 

14. DNS are a convenient alternative to the difficult-to-remember IP naming system for computers. True/False

 

 

 

15. A free software package is called a browser. True/False

 

16. Most Internet search engines maintain an index of billions of Web pages. These indexes are updated using:

 

1. The users of the search engine.
2. Dedicated employees.
3. Automated webcrawlers.
4. A combination of all of these.

 

 

 

 

 

17. Networks enable which of the following applications?

 

1. Discovery
2. Communications
3. Collaboration
4. All of the above