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1. What model is used to describe how data communication occurs between hosts?
a) server-centric model
b) workgroup model
c) peer-to-peer model
d) OSI reference model |
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2. Which layer in the OSI model do MAC addresses and switches use?
a) Physical
b) Data Link
c) Network
d) Transport |
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3. Which layer in the OSI model covers routing between networks?
a) Physical
b) Data Link
c) Network
d) Transport |
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4. Which layer in the OSI model is used to verify that data was delivered without error?
a) Physical
b) Data Link
c) Network
d) Transport |
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5. Which layer in the OSI model covers HTTP, FTP, and RDC?
a) Physical
b) Session
c) Application
d) Presentation |
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6. Which layer of the OSI model is used to create a connection so that a host can transfer files?
a) Physical
b) Session
c) Application
d) Presentation |
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7. Which layer of the OSI model includes VLANs?
a) Physical
b) Data Link
c) Network
d) Transport |
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8. Which protocol do you use as the transport protocol for a video application?
a) TCP
b) UDP
c) FTP
d) RDC |
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9. Which port categories include inbound ports of HTTP, HTTPS, FTP, and DNS?
a) well-known ports
b) registered ports
c) dynamic ports
d) private ports
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10. What layer in the OSI model is responsible for logging on and off?
a) Physical
b) Session
c) Application
d) Presentation
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11. What layer in the OSI model is used to encrypt data?
a) Physical
b) Session
c) Application
d) Presentation |
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12. Which layer in the OSI model includes the cable and network adapters?
a) Physical
b) Session
c) Application
d) Presentation
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13. How many layers does the TCP/IP model have?
a) 3
b) 4
c) 6
d) 7 |
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14. Which layer in the OSI model is included in the TCP/IP model?
a) Physical
b) Data Link
c) Transport
d) Application |
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15. Which protocol is used to translate IP addresses to MAC addresses?
a) RARP
b) ARP
c) DNS
d) WINS |
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16. What ports are defined above 49,152?
a) well-known ports
b) registered ports
c) dynamic ports
d) sliding ports |
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17. A layer 3 switch is similar to a __________. |
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18. TCP/IP and IPX/SPX are known as _________ stacks. |
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19. What is the advantage of UDP over TCP? |
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Answer: UDP has less overhead, which allows for faster performance. |
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20. What are the seven layers found in the OSI model, in order? |
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Answer: Physical, Data Link, Network, Transport, Session, Presentation, and Application |
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