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Cisco Certification OSI Model

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Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
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1. What is layer 1 of the OSI model?
Physical layer.
Data Flow layers.
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
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

2. What are some Physical Layer Protocols and Standards?
Provide a model to discribe how data moves from source device to destination device.
IEA RS232 - V.35. Cat 5 - RJ45
Layer 2 - The Data Link layer.
Seven

3. What does the acronym 'OSI' stand for?
Open Source Interconnect
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
Cables - Pins - Electrical Signals
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

4. What does the acronym 'ISDN' stand for?
The hardware that implements the MAC.
ISDN - Integrated Services Digital Network
Hardware address - Ethernet address - BIA - Burned in Address
Wide Area Network

5. What is ATM?
Transport layer.
Theoretical
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.
Wide Area Network

6. What is layer 4 of the OSI model?
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
Transport layer.
Point-to-Point Protocol over ATM
International Standards Organization

7. How many Layers in the OSI Model?
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.
Network 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
Seven

8. What is the Mnemonic phrase for remembering OSI layers ordered 7 to 1?
Local Area Network
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
48 Bits
Point-to-Point Protocol over ATM

9. What is the Physical Layer responsible for?

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

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11. What is the 'MAC Layer' responsible for?
Data Link layer.
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
Physical layer.

12. What is the difference between the TCP and UDP protocols?
Provide a model to discribe how data moves from source device to destination device.
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Network layer.
Layer 1 Protocol having to do with serial communication

13. What does the acronym 'LLC' stand for?
Data Link layer.
Logicial Link Control
The hardware that implements the MAC.
Application layer.

14. What does the acronym 'LAN' stand for?
Layer 1 Protocol having to do with serial communication
Local Area Network
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Seven

15. What does the acronym 'ISO' stand for?
International Standards Organization
48 Bits
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Seven

16. What does the acronym 'MAC' stand for?
Point-to-Point Protocol over ATM
Media Access Control
Asynchronous Transfer Mode
Local Area Network

17. OSI layers are...
The hardware that implements the MAC.
Theoretical
Wide Area Network
Point-to-Point Protocol over ATM

18. What are the first 4 layers of the OSI model called?
48 Bits
Data Flow layers.
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
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

19. What is the purpose of the OSI Model?
Asynchronous Transfer Mode
Theoretical
Provide a model to discribe how data moves from source device to destination device.
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

20. What is the EIA/TIA 232 protocol concerned with?
Layer 1 Protocol having to do with serial communication
Point to Point
Point-to-Point Protocol over ATM
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination

21. What is the OSI model and why is it important in understanding networking?
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
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
The hardware that implements the MAC.

22. What is the 'LLC Layer' responsible for?
MAC SubLayer - LLC SubLayer
Open Source Interconnect
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
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

23. What is the Mnemonic phrase for remembering OSI layers ordered 1 to 7?
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Local Area Network
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Data Flow layers.

24. What are considered the Data Flow layers?
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
Physical - Data Link. Network - Transport
Logicial Link Control
48 bit address used to identify networking cards and appliances

25. What is layer 7 of the OSI model?
Application layer.
High-Level Data Link Control
48 bit address used to identify networking cards and appliances
Provide a model to discribe how data moves from source device to destination device.

26. Which OSI model layer is concerned with MAC addresses?
Physical layer.
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Cables - Pins - Electrical Signals
Layer 2 - The Data Link layer.

27. In an OSI context What is considered 'media'?
Presentation layer.
IEA RS232 - V.35. Cat 5 - RJ45
The hardware that implements the MAC.
Cables - Pins - Electrical Signals

28. What are are the 'Sub Layers' of the 'Data Link' Layer?
Media Access Control
Layer 1 Protocol having to do with serial communication
Application layer.
MAC SubLayer - LLC SubLayer

29. What is HDLC?
ISDN - Integrated Services Digital Network
Layer 2 - The Data Link layer.
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
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)

30. What protocols correspond to the Presentation and Session layers?
48 bit address used to identify networking cards and appliances
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
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
Network layer.

31. What are some examples of 'LAN' side Datalink Layer Protocols and Standards?
Session layer.
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
48 bit address used to identify networking cards and appliances

32. Frame Relay
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
Theoretical
Logicial Link Control

33. What does the acronym 'HDLC' stand for?
High-Level Data Link Control
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Physical Layer

34. What does the acronym 'PPPoA' stand for?
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
Network layer.
Seven
Point-to-Point Protocol over ATM

35. What is layer 5 of the OSI model?
Session layer.
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Data Flow layers.
Point-to-Point Protocol over ATM

36. What does the acronym 'ATM' stand for?
Physical layer.
Asynchronous Transfer Mode
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
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

37. What is the MAC address?
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Provide a model to discribe how data moves from source device to destination device.
Network layer.
48 bit address used to identify networking cards and appliances

38. What is layer 6 of the OSI model?
Network layer.
Presentation layer.
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Session layer.

39. What are other names for MAC address?
48 bit address used to identify networking cards and appliances
Hardware address - Ethernet address - BIA - Burned in Address
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Media Access Control

40. What is layer 3 of the OSI model?
Physical layer.
Theoretical
Network layer.
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

41. What does the acronym default 'HDLC' protocol stand for?
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Open Source Interconnect
Physical layer.
High Level Data Link Control

42. What is layer 2 of the OSI model?
MAC SubLayer - LLC SubLayer
Open Source Interconnect
Presentation layer.
Data Link layer.

43. What does the acronym 'PPP' stand for?
Point to Point
Asynchronous Transfer Mode
Wide Area Network
Media Access Control

44. When would the PPP be used?
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
When require to communicate between different vendors across the same serial link.
Data Link layer.
Media Access Control

45. What are some examples of 'WAN' side 'Encapsulation' type Datalink Layer Protocols and Standards?
MAC SubLayer - LLC SubLayer
Layer 1 Protocol having to do with serial communication
Physical - Data Link. Network - Transport
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM

46. What are the advantages of the OSI model?
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Logicial Link Control
Open Source Interconnect
Hardware address - Ethernet address - BIA - Burned in Address

47. What does the acronym 'WAN' stand for?
Wide Area Network
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.
The hardware that implements the MAC.
48 bit address used to identify networking cards and appliances

48. Where does troublingshooting alway start?
48 Bits
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Physical Layer
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

49. How bits are in a MAC address?
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
48 Bits
Point to Point
Physical - Data Link. Network - Transport

50. What is the 'medium access controller'?
Cables - Pins - Electrical Signals
When require to communicate between different vendors across the same serial link.
MAC SubLayer - LLC SubLayer
The hardware that implements the MAC.

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Cisco Certification OSI Model

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