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Cisco Certification OSI Model

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. What is the 'LLC Layer' responsible for?
Hardware address - Ethernet address - BIA - Burned in Address
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
It provides multiplexing mechanisms that make it possible for several network protocols (IP - IPX - Decnet and Appletalk) to coexist within a multipoint network and to be transported over the same network media - and can also provide flow control and
Logicial Link Control

2. What is HDLC?
48 bit address used to identify networking cards and appliances
The media access control (MAC) data communication protocol sub-layer - is a sublayer of the data link layer specified in the seven-layer OSI model (layer 2). It provides addressing and channel access control mechanisms that make it possible for sever
Media Access Control
It is a bit-oriented synchronous data link layer protocol developed by the International Organization for Standardization (ISO). The original ISO standards for HDLC are: ISO 3309

3. What is the purpose of the OSI Model?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Provide a model to discribe how data moves from source device to destination device.
IEA RS232 - V.35. Cat 5 - RJ45
Seven

4. What does the acronym 'ISO' stand for?
High-Level Data Link Control
Presentation layer.
When require to communicate between different vendors across the same serial link.
International Standards Organization

5. What is layer 1 of the OSI model?
Physical layer.
Session layer.
Data Link layer.
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

6. What does the acronym 'MAC' stand for?
48 Bits
The media access control (MAC) data communication protocol sub-layer - is a sublayer of the data link layer specified in the seven-layer OSI model (layer 2). It provides addressing and channel access control mechanisms that make it possible for sever
ISDN - Integrated Services Digital Network
Media Access Control

7. How does the third OSI model layer relate to administering routers?
It is a bit-oriented synchronous data link layer protocol developed by the International Organization for Standardization (ISO). The original ISO standards for HDLC are: ISO 3309
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Layer 1 Protocol having to do with serial communication
48 bit address used to identify networking cards and appliances

8. What is layer 4 of the OSI model?
When require to communicate between different vendors across the same serial link.
MAC SubLayer - LLC SubLayer
Transport layer.
Layer 1 Protocol having to do with serial communication

9. What is the Mnemonic phrase for remembering OSI layers ordered 7 to 1?
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
High Level Data Link Control
It provides multiplexing mechanisms that make it possible for several network protocols (IP - IPX - Decnet and Appletalk) to coexist within a multipoint network and to be transported over the same network media - and can also provide flow control and
Theoretical

10. What is the 'Data Link Layer' responsible for?

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11. What are the first 4 layers of the OSI model called?
Wide Area Network
Hardware address - Ethernet address - BIA - Burned in Address
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Data Flow layers.

12. Where does troublingshooting alway start?
Point to Point
Physical Layer
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Application layer.

13. Which OSI model layer is concerned with MAC addresses?
Hardware address - Ethernet address - BIA - Burned in Address
Layer 2 - The Data Link layer.
Application: JPEG - BMP - TIFF - PICT - MPEG - WMV - AVI - ASCII - EBCDIC - MIDI - WAV - Session: Network File System (NFS) - Apple Session Protocol (ASP) - Structured Query Language (SQL) - Remote procedure call (RPC) - X Window
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

14. What are the advantages of the OSI model?
International Standards Organization
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
The hardware that implements the MAC.

15. What are are the 'Sub Layers' of the 'Data Link' Layer?
Hardware address - Ethernet address - BIA - Burned in Address
Asynchronous Transfer Mode
MAC SubLayer - LLC SubLayer
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

16. What is the MAC address?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
48 bit address used to identify networking cards and appliances
Open Source Interconnect
Application: JPEG - BMP - TIFF - PICT - MPEG - WMV - AVI - ASCII - EBCDIC - MIDI - WAV - Session: Network File System (NFS) - Apple Session Protocol (ASP) - Structured Query Language (SQL) - Remote procedure call (RPC) - X Window

17. What does the acronym 'ISDN' stand for?
Theoretical
Local Area Network
Hardware address - Ethernet address - BIA - Burned in Address
ISDN - Integrated Services Digital Network

18. What is the Physical Layer responsible for?

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19. What is layer 6 of the OSI model?
Presentation layer.
Network layer.
The hardware that implements the MAC.
Wide Area Network

20. What is layer 2 of the OSI model?
Media Access Control
Physical - Data Link. Network - Transport
Data Link layer.
Theoretical

21. Frame Relay
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Data Link layer.
Wide Area Network
The media access control (MAC) data communication protocol sub-layer - is a sublayer of the data link layer specified in the seven-layer OSI model (layer 2). It provides addressing and channel access control mechanisms that make it possible for sever

22. What does the acronym 'PPP' stand for?
Data Link layer.
International Standards Organization
Point to Point
Application: JPEG - BMP - TIFF - PICT - MPEG - WMV - AVI - ASCII - EBCDIC - MIDI - WAV - Session: Network File System (NFS) - Apple Session Protocol (ASP) - Structured Query Language (SQL) - Remote procedure call (RPC) - X Window

23. What is the EIA/TIA 232 protocol concerned with?
Layer 1 Protocol having to do with serial communication
Logicial Link Control
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
The media access control (MAC) data communication protocol sub-layer - is a sublayer of the data link layer specified in the seven-layer OSI model (layer 2). It provides addressing and channel access control mechanisms that make it possible for sever

24. How many Layers in the OSI Model?
Seven
International Standards Organization
Point to Point
Local Area Network

25. What are some examples of 'LAN' side Datalink Layer Protocols and Standards?
Physical Layer
Presentation layer.
Hardware address - Ethernet address - BIA - Burned in Address
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

26. What does the acronym 'HDLC' stand for?
High-Level Data Link Control
Physical Layer
Presentation layer.
48 bit address used to identify networking cards and appliances

27. What is layer 3 of the OSI model?
IEA RS232 - V.35. Cat 5 - RJ45
Physical Layer
Open Source Interconnect
Network layer.

28. What does the acronym default 'HDLC' protocol stand for?
Physical - Data Link. Network - Transport
High Level Data Link Control
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.

29. What is the OSI model and why is it important in understanding networking?
OSI model classifies and organizes the tasks that hosts perform to prepare data for transport across the network. It most widely used method for understanding and talking about network communications
Logicial Link Control
Application: JPEG - BMP - TIFF - PICT - MPEG - WMV - AVI - ASCII - EBCDIC - MIDI - WAV - Session: Network File System (NFS) - Apple Session Protocol (ASP) - Structured Query Language (SQL) - Remote procedure call (RPC) - X Window
High Level Data Link Control

30. How bits are in a MAC address?
Presentation layer.
48 Bits
High-Level Data Link Control
It is a bit-oriented synchronous data link layer protocol developed by the International Organization for Standardization (ISO). The original ISO standards for HDLC are: ISO 3309

31. What does the acronym 'ATM' stand for?
Asynchronous Transfer Mode
Logicial Link Control
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Network layer.

32. What is layer 5 of the OSI model?
MAC SubLayer - LLC SubLayer
High-Level Data Link Control
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Session layer.

33. What is the Mnemonic phrase for remembering OSI layers ordered 1 to 7?
The hardware that implements the MAC.
IEA RS232 - V.35. Cat 5 - RJ45
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
The media access control (MAC) data communication protocol sub-layer - is a sublayer of the data link layer specified in the seven-layer OSI model (layer 2). It provides addressing and channel access control mechanisms that make it possible for sever

34. When would the PPP be used?
High Level Data Link Control
48 Bits
Open Source Interconnect
When require to communicate between different vendors across the same serial link.

35. What are considered the Data Flow layers?
Physical - Data Link. Network - Transport
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Physical Layer
Application layer.

36. What are some examples of 'WAN' side 'Encapsulation' type Datalink Layer Protocols and Standards?
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Data Flow layers.
Transport layer.
The media access control (MAC) data communication protocol sub-layer - is a sublayer of the data link layer specified in the seven-layer OSI model (layer 2). It provides addressing and channel access control mechanisms that make it possible for sever

37. What does the acronym 'WAN' stand for?
Logicial Link Control
Provide a model to discribe how data moves from source device to destination device.
Wide Area Network
48 Bits

38. What does the acronym 'OSI' stand for?
Open Source Interconnect
Asynchronous Transfer Mode
Physical layer.
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

39. What does the acronym 'LLC' stand for?
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Logicial Link Control
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
International Standards Organization

40. What are other names for MAC address?
Hardware address - Ethernet address - BIA - Burned in Address
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
High Level Data Link Control
ATM is a standard switching technique - designed to unify telecommunication and computer networks. It uses asynchronous time-division multiplexing and it encodes data into small - fixed-sized cells.

41. What are some Physical Layer Protocols and Standards?
The media access control (MAC) data communication protocol sub-layer - is a sublayer of the data link layer specified in the seven-layer OSI model (layer 2). It provides addressing and channel access control mechanisms that make it possible for sever
International Standards Organization
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
IEA RS232 - V.35. Cat 5 - RJ45

42. What does the acronym 'PPPoA' stand for?
Point-to-Point Protocol over ATM
Presentation layer.
ATM is a standard switching technique - designed to unify telecommunication and computer networks. It uses asynchronous time-division multiplexing and it encodes data into small - fixed-sized cells.
Physical - Data Link. Network - Transport

43. What is the difference between the TCP and UDP protocols?
Cables - Pins - Electrical Signals
48 Bits
Data Link layer.
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

44. What is ATM?
ATM is a standard switching technique - designed to unify telecommunication and computer networks. It uses asynchronous time-division multiplexing and it encodes data into small - fixed-sized cells.
Point to Point
Cables - Pins - Electrical Signals
International Standards Organization

45. In an OSI context What is considered 'media'?
Cables - Pins - Electrical Signals
Data Flow layers.
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Presentation layer.

46. What does the acronym 'LAN' stand for?
Transport layer.
Application: JPEG - BMP - TIFF - PICT - MPEG - WMV - AVI - ASCII - EBCDIC - MIDI - WAV - Session: Network File System (NFS) - Apple Session Protocol (ASP) - Structured Query Language (SQL) - Remote procedure call (RPC) - X Window
High Level Data Link Control
Local Area Network

47. OSI layers are...
48 bit address used to identify networking cards and appliances
Hardware address - Ethernet address - BIA - Burned in Address
Theoretical
Application: JPEG - BMP - TIFF - PICT - MPEG - WMV - AVI - ASCII - EBCDIC - MIDI - WAV - Session: Network File System (NFS) - Apple Session Protocol (ASP) - Structured Query Language (SQL) - Remote procedure call (RPC) - X Window

48. What is the 'medium access controller'?
Point to Point
High-Level Data Link Control
It is a bit-oriented synchronous data link layer protocol developed by the International Organization for Standardization (ISO). The original ISO standards for HDLC are: ISO 3309
The hardware that implements the MAC.

49. What is the 'MAC Layer' responsible for?
48 Bits
Open Source Interconnect
International Standards Organization
The media access control (MAC) data communication protocol sub-layer - is a sublayer of the data link layer specified in the seven-layer OSI model (layer 2). It provides addressing and channel access control mechanisms that make it possible for sever

50. What protocols correspond to the Presentation and Session layers?
Media Access Control
The media access control (MAC) data communication protocol sub-layer - is a sublayer of the data link layer specified in the seven-layer OSI model (layer 2). It provides addressing and channel access control mechanisms that make it possible for sever
Local Area Network
Application: JPEG - BMP - TIFF - PICT - MPEG - WMV - AVI - ASCII - EBCDIC - MIDI - WAV - Session: Network File System (NFS) - Apple Session Protocol (ASP) - Structured Query Language (SQL) - Remote procedure call (RPC) - X Window