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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 purpose of the OSI Model?
Provide a model to discribe how data moves from source device to destination device.
When require to communicate between different vendors across the same serial link.
Data Link layer.
Cables - Pins - Electrical Signals

2. In an OSI context What is considered 'media'?
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
The hardware that implements the MAC.
Cables - Pins - Electrical Signals
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

3. What are some Physical Layer Protocols and Standards?
Presentation 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
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
IEA RS232 - V.35. Cat 5 - RJ45

4. What is layer 7 of the OSI model?
Application layer.
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
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.

5. What are the first 4 layers of the OSI model called?
Data Flow layers.
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.

6. Which OSI model layer is concerned with MAC addresses?
Seven
Theoretical
Layer 2 - The Data Link layer.
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

7. What does the acronym 'ATM' stand for?
Asynchronous Transfer Mode
Point to Point
Seven
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.

8. What does the acronym 'WAN' stand for?
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 Layer
Logicial Link Control
Wide Area Network

9. How bits are in a MAC address?
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
48 bit address used to identify networking cards and appliances
48 Bits
MAC SubLayer - LLC SubLayer

10. How many Layers in the OSI Model?
Layer 1 Protocol having to do with serial communication
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Seven

11. What is HDLC?
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.
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
Open Source Interconnect
Physical Layer

12. What does the acronym 'ISO' stand for?
Media Access Control
International Standards Organization
The hardware that implements the MAC.
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

13. What does the acronym 'LAN' stand for?
Wide Area Network
Asynchronous Transfer Mode
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

14. How does the third OSI model layer relate to administering routers?
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
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
Point-to-Point Protocol over ATM
MAC SubLayer - LLC SubLayer

15. What is the 'LLC Layer' responsible for?
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
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 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
MAC SubLayer - LLC SubLayer

16. What does the acronym 'PPPoA' stand for?
Data Flow layers.
Logicial Link Control
Media Access Control
Point-to-Point Protocol over ATM

17. What does the acronym 'PPP' stand for?
Wide Area Network
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Data Flow layers.
Point to Point

18. What does the acronym 'MAC' stand for?
Media Access Control
48 bit address used to identify networking cards and appliances
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
ISDN - Integrated Services Digital Network

19. What are some examples of 'WAN' side 'Encapsulation' type Datalink Layer Protocols and Standards?
Local Area Network
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.

20. What is layer 6 of the OSI model?
Presentation layer.
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM

21. What are other names for MAC address?
Theoretical
Layer 1 Protocol having to do with serial communication
Wide Area Network
Hardware address - Ethernet address - BIA - Burned in Address

22. 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.
Theoretical
Provide a model to discribe how data moves from source device to destination device.
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination

23. OSI layers are...
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Theoretical
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
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

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

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25. What are the advantages of the OSI model?
Point-to-Point Protocol over ATM
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Physical Layer

26. What is the Physical Layer responsible for?

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27. What are some examples of 'LAN' side Datalink Layer Protocols and Standards?
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
High-Level Data Link Control
Hardware address - Ethernet address - BIA - Burned in Address
IEA RS232 - V.35. Cat 5 - RJ45

28. What is the 'MAC Layer' responsible for?
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
Provide a model to discribe how data moves from source device to destination device.
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
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

29. Frame Relay
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Session layer.
Cables - Pins - Electrical Signals

30. What does the acronym 'OSI' stand for?
Asynchronous Transfer Mode
Open Source Interconnect
The hardware that implements the MAC.
Combining 'Bits' into 'Bytes' - & 'Bytes' into 'Frames' - provides the functional and procedural means to transfer data between network entities and might provide the means to detect and possibly correct errors that may occur in the physical layer.

31. What is layer 2 of the OSI model?
Data Link 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
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
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology

32. What is layer 1 of the OSI model?
Data Flow layers.
ISDN - Integrated Services Digital Network
Physical layer.
Presentation layer.

33. When would the PPP be used?
When require to communicate between different vendors across the same serial link.
The hardware that implements the MAC.
Theoretical
Point to Point

34. What is the 'medium access controller'?
IEA RS232 - V.35. Cat 5 - RJ45
The hardware that implements the MAC.
Asynchronous Transfer Mode
Network layer.

35. What is the OSI model and why is it important in understanding networking?
MAC SubLayer - LLC SubLayer
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
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
High Level Data Link Control

36. What is layer 4 of the OSI model?
Provide a model to discribe how data moves from source device to destination device.
Local Area Network
International Standards Organization
Transport layer.

37. What does the acronym 'ISDN' stand for?
ISDN - Integrated Services Digital Network
Open Source Interconnect
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
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

38. What are considered the Data Flow layers?
Hardware address - Ethernet address - BIA - Burned in Address
Physical - Data Link. Network - Transport
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
High Level Data Link Control

39. What does the acronym 'HDLC' stand for?
High-Level Data Link Control
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
48 bit address used to identify networking cards and appliances
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

40. What is the MAC address?
48 Bits
High Level Data Link Control
48 bit address used to identify networking cards and appliances
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

41. What is the Mnemonic phrase for remembering OSI layers ordered 1 to 7?
Session layer.
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Combining 'Bits' into 'Bytes' - & 'Bytes' into 'Frames' - provides the functional and procedural means to transfer data between network entities and might provide the means to detect and possibly correct errors that may occur in the physical layer.
Open Source Interconnect

42. What protocols correspond to the Presentation and Session layers?
48 Bits
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
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 bit address used to identify networking cards and appliances

43. Where does troublingshooting alway start?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Provide a model to discribe how data moves from source device to destination device.
Layer 1 Protocol having to do with serial communication
Physical Layer

44. What is layer 3 of the OSI model?
48 Bits
Network layer.
Point-to-Point Protocol over ATM
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

45. What is the difference between the TCP and UDP protocols?
International Standards Organization
Transport layer.
Physical - Data Link. Network - Transport
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

46. What is the EIA/TIA 232 protocol concerned with?
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
Layer 1 Protocol having to do with serial communication
Point to Point
Media Access Control

47. What does the acronym 'LLC' stand for?
Data Flow layers.
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
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

48. What is layer 5 of the OSI model?
48 bit address used to identify networking cards and appliances
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Physical layer.
Session layer.

49. What are are the 'Sub Layers' of the 'Data Link' Layer?
48 bit address used to identify networking cards and appliances
IEA RS232 - V.35. Cat 5 - RJ45
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
MAC SubLayer - LLC SubLayer

50. What is the Mnemonic phrase for remembering OSI layers ordered 7 to 1?
Point-to-Point Protocol over ATM
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Data Flow layers.