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Chapter 1 & 2 Homework

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 1. 

The four basic element of communication are a message, a sender, a receiver, and error detection.
a.
True
b.
False
 

 2. 

Does a television broadcast allow for error correction in the transmission?
a.
Yes
b.
No
 

 3. 

The medium in a television broadcast is
a.
Air
c.
Fiber
b.
Coaxial
d.
All of the above
 

 4. 

An example of error detection is
a.
A rerun of a show on TV
c.
An answering machine
b.
Asking someone to repeat what they said
d.
None of the above
 

 5. 

Security is required when communicating.
a.
True
b.
False
 

 6. 

What type of network relies on a centralized computer with dumb computers connected.
a.
LAN
c.
Terminal network
b.
WAN
d.
Internet
 

 7. 

What type of network uses high speed, locally owned medium?
a.
LAN
c.
Terminal network
b.
WAN
d.
Internet
 

 8. 

What type of network doesn’t have distance limitations?
a.
LAN
c.
Terminal network
b.
WAN
d.
Internet
 

 9. 

The OSI model defines a layered standard for network communication.
a.
True
b.
False
 

 10. 

What layer of the OSI model is responsible for establishing a dialog between two applications?
a.
Application
c.
Transport
b.
Session
d.
Network
 

 11. 

What layer of the OSI model is responsible for routing the message?
a.
Presentation
c.
Network
b.
Transport
d.
Data Link
 

 12. 

What layer of the OSI model is responsible for low level error detection and delineating data?
a.
Application
c.
Data Link
b.
Network
d.
Physical
 

 13. 

When each layer of the OSI model adds some control information to the message this is called
a.
layering
c.
encapsulation
b.
building
d.
transmitting
 

 14. 

An internet is an interconnection of two or more networks?
a.
True
b.
False
 

 15. 

What type of network is based on Internet standards but is a private web
a.
Internet
c.
WAN
b.
Intranet
d.
LAN
 

 16. 

Which is not one of the reasons we use LAN’s
a.
Resource Sharing
c.
Word Processing
b.
Communication
d.
Cost Effectiveness
 

 17. 

Which is not a characteristic of a LAN
a.
Transparent Use
c.
High Speed
b.
Low Speed
d.
Limited Geographical Area
 

 18. 

A workgroup application is an application that is designed to run on a stand alone computer.
a.
True
b.
False
 

 19. 

Transparent Use means the user of the computer can access resources on the LAN as seamlessly as local resources.
a.
True
b.
False
 

 20. 

Which of the following is not one of the LAN selection criteria?
a.
Cost
c.
Vender and Support
b.
Number of Workstations
d.
None of the above
 



 
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