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Chapter2

True/False
Indicate whether the statement is true or false.
 

 1. 
Standards assist in network design.
 

 2. 
Network functions are associated with only one layer of the OSI model.
 

 3. 
The Application layer includes software applications.
 

 4. 
All Transport layer protocols are concerned with reliability.
 

 5. 
IEEE has divided the Transport layer into two sublayers.
 

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

 6. 
Standards define the ____ performance of a product or service.
a.
ideal
c.
minimum acceptable
b.
most acceptable
d.
maximum acceptable
 

 7. 
The goal of ____ is to establish international technological standards to facilitate the global exchange of information and barrier free trade.
a.
ANSI
c.
ITU
b.
ISO
d.
ISOC
 

 8. 
The ____ is a specialized United Nations agency that provides developing countries with technical expertise and equipment to advance those nations’ technological bases.
a.
ANSI
c.
ITU
b.
ISO
d.
ISOC
 

 9. 
____ oversees the IAB (Internet Architecture Board).
a.
EIA
c.
ICANN
b.
ISOC
d.
ISO
 

 10. 
Which statement accurately describes the OSI model?
a.
It describes how software programs interact with humans.
b.
It prescribes the type of hardware or software that should support each layer.
c.
It describes how software programs interact with other software programs.
d.
It describes a theoretical representation of what happens between two nodes communicating on a network.
 

 11. 
Which OSI model layer initiates the flow of information?
a.
Physical
c.
Application
b.
Session
d.
Presentation
 

 12. 
Which OSI model layer manages data encryption?
a.
Physical
c.
Application
b.
Session
d.
Presentation
 

 13. 
In which OSI model layer does TCP operate?
a.
Physical
c.
Network
b.
Transport
d.
Data Link
 

 14. 
Which type of protocol is useful when data must be transferred quickly?
a.
connection-oriented
c.
TCP
b.
connectionless
d.
IP
 

 15. 
Transport layer protocols break large data units into ____.
a.
PDUs
c.
frames
b.
segments
d.
block IDs
 

 16. 
____ is the process of reconstructing segmented data.
a.
Reassembly
c.
Resegmenting
b.
Reengineering
d.
Realigning
 

 17. 
Each network node has ____ types of addresses.
a.
one
c.
three
b.
two
d.
four
 

 18. 
The process of determining the best path from Point A on one network to Point B on another is known as ____.
a.
mapping
c.
reconfiguring
b.
enhancing
d.
routing
 

 19. 
In which OSI model layer does IP operate?
a.
Physical
c.
Network
b.
Transport
d.
Data Link
 

 20. 
Which Data Link sublayer manages flow control?
a.
LLC
c.
Management layer
b.
MAC
d.
Addressing layer
 

 21. 
Which Data Link sublayer manages access to the physical medium?
a.
LLC
c.
Management layer
b.
MAC
d.
Addressing layer
 

 22. 
The ____ is a fixed number associated with a device’s NIC.
a.
LLC address
c.
logical address
b.
frame address
d.
physical address
 

 23. 
In which OSI model layer do hubs operate?
a.
Physical
c.
Data Link
b.
Network
d.
Physical and Data Link
 

 24. 
In which OSI model layer(s) do NICs operate?
a.
Physical
c.
Data Link
b.
Network and Physical
d.
Physical and Data Link
 

 25. 
Which IEEE standard describes Ethernet?
a.
802.1
c.
802.5
b.
802.3
d.
802.11
 

 26. 
Which IEEE standard describes specifications for wireless transmissions?
a.
802.1
c.
802.5
b.
802.3
d.
802.11
 



 
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