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7/27/2019 Networking Questions4
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1. Routers operate at which layer of the OSI Model?
A) Physical
B) Transport
C) Network
D) MAC sublayer of the Data Link layer
C) Network
2. Bits are packaged into frames at what layer of the OSI Model?
A) Data Link
B) Transport
C) Physical
D) Presentation
E) Application
A) Data Link
3. The layer of the OSI Model, from the top down are:
A) Application, Presentation, Session, Transport, Network, Data Link, Physical
B) Session, Presentation, Data Transport, MAC, Network, Physical
C) Physical, Data Link,Network, Transport, Session, Presentation, Application
D) Application, Encryption, Network, Transport, Logical Link Control, Physical
A) Application, Presentation, Session, Transport, Network, Data Link, Physical
4. Which of the following operates at the Presentation layer?
A) FTP & HTTP
B) SMTP
C) UDP
D) MIDI & JPEG
E) All of the above
D) MIDI & JPEG
5. Which of the following are Transport layer protocols?
A) TCP & UDP
B) ATM
C) CISC
D) HTTP & FTP
A) TCP & UDP
6. Which of the following are considered to be the upper layer protocols?
A) Presentation & Session
B) Application & Presentation
C) Application, Presentation, & Session
D) Application, Presentation, Session, & Transport
E) Application
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C) Application, Presentation, & Session
7. Flow control takes place at what layer?
A) Physical
B) Network
C) Transport
D) Data Link
E) Application
C) Transport
8. Encryption takes place at which layer?
A) Physical
B) Presentation
C) Application
D) Session
E) Data Link
B) Presentation
9. Error detection & recovery takes place at what layer?
A) Transport
B) Presentation
C) Data Link
D) Network
E) Application
A) Transport
10. What layer establishes, maintains, & termenates communitions between applications located on
different devices?
A) Application
B) Session
C) Transport
D) Network
E) Data Link
B) Session
11. IP is implemented at which OSI Model layer?
A) Transport
B) Network
C) Data Link
D) Presentation
E) Session
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B) Network
12. Which layer handles the formatting of application data so that it will be readable by the destination
system?
A) Application
B) Presentation
C) Transport
D) Network
E) Data Link
B) Presentation
13. Packets are found at which layer of the OSI Model?
A) Data Link
B) Transport
C) Network
D) Presentation
E) Session
B) Transport
14. Which layer translates between the physical (MAC) & logical address?
A) Network
B) Data Link
C) Transport
D) Presentation
E) Application
A) Network
15. What does OSI stand for?
A) Organization Standards International
B) Open Systems Interconnect
C) Operating Standard Information
D) Operatin System Interconnection
E) Open System Interface
B) Open Systems Interconnect
16. Repeaters & hubs operate at whaich layer?
A) NetworkB) Physical
C) Transport
D) Data Link
E) Presentation
B) Physical
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17. Bit synchronization is handled at which layer of the OSI Model?
A) Physical
B) Session
C) Network
D) Data Link
E) Presentation
B) Session
18. Bridges operate at which layer of the OSI Model?
A) Physical
B) Data Link
C) Network
D) Transport
E) Presentation
C) Network
19. What are the sublayers of the Data Link layer?
A) MAC & IPX
B) hardware & frame
C) MAC & LLC
D) WAN & LAN
E) Mac address
C) MAC & LLC
20. Which layer translates between physical & logical addresses?
A) the MAC sublayer of the Data Link layer
B) Transport
C) Physical
D) Network
E) Presentation
D) Network
21. Which layer is responsible for packet sequencing, acknowledgements, & requests for
retransmission?
A) Network
B) Session
C) TransportD) Data Link
E) Presentation
C) Transport
