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

2. What is the Mnemonic phrase for remembering OSI layers ordered 7 to 1?
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Physical - Data Link. Network - Transport
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
MAC SubLayer - LLC SubLayer

3. What does the acronym 'ISDN' stand for?
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
ISDN - Integrated Services Digital Network
Presentation layer.
Data Link layer.

4. What does the acronym 'OSI' stand for?
Open Source Interconnect
Session 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
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology

5. What is the OSI model and why is it important in understanding networking?
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
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
Asynchronous Transfer Mode
Network layer.

6. What is layer 4 of the OSI model?
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
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
48 Bits
Transport layer.

7. What does the acronym 'PPPoA' stand for?
Point-to-Point Protocol over ATM
Network layer.
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

8. What does the acronym 'ATM' stand for?
Seven
Session 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
Asynchronous Transfer Mode

9. In an OSI context What is considered 'media'?
Layer 1 Protocol having to do with serial communication
Cables - Pins - Electrical Signals
Data Flow layers.
Layer 2 - The Data Link layer.

10. What is the 'medium access controller'?
The hardware that implements the MAC.
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
Seven
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

11. What does the acronym 'LAN' stand for?
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Physical - Data Link. Network - Transport
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Local Area Network

12. What does the acronym 'LLC' stand for?
Physical - Data Link. Network - Transport
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.
Hardware address - Ethernet address - BIA - Burned in Address
Logicial Link Control

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

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14. What is HDLC?
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
Layer 2 - The Data Link layer.
Point-to-Point Protocol over ATM
Transport layer.

15. What does the acronym 'ISO' stand for?
Network layer.
International Standards Organization
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Application layer.

16. What are other names for MAC address?
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Hardware address - Ethernet address - BIA - Burned in Address
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Session layer.

17. What does the acronym 'MAC' stand for?
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
48 Bits
Point to Point
Media Access Control

18. What is the purpose of the OSI Model?
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Provide a model to discribe how data moves from source device to destination device.
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
Session layer.

19. What protocols correspond to the Presentation and Session 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
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
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.

20. What is layer 2 of the OSI model?
Data Link layer.
ISDN - Integrated Services Digital Network
Physical layer.
Layer 1 Protocol having to do with serial communication

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

22. What is layer 3 of the OSI model?
Cables - Pins - Electrical Signals
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Network layer.
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.

23. 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.
Local Area Network
Point to Point
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. OSI layers are...
Theoretical
Layer 2 - The Data Link layer.
Point-to-Point Protocol over ATM
ISDN - Integrated Services Digital Network

25. 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)
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Point-to-Point Protocol over ATM
Media Access Control

26. What is the 'MAC Layer' responsible for?
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
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.
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM

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
When require to communicate between different vendors across the same serial link.
Layer 1 Protocol having to do with serial communication
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

28. What are some Physical Layer Protocols and Standards?
Logicial Link Control
IEA RS232 - V.35. Cat 5 - RJ45
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
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

29. What is layer 1 of the OSI model?
Physical Layer
Wide Area Network
Media Access Control
Physical layer.

30. What are the first 4 layers of the OSI model called?
Asynchronous Transfer Mode
Open Source Interconnect
Data Flow layers.
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. Where does troublingshooting alway start?
Layer 2 - The Data Link layer.
Physical Layer
The hardware that implements the MAC.
Data Link layer.

32. What is the MAC address?
48 bit address used to identify networking cards and appliances
Physical - Data Link. Network - Transport
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
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.

33. How bits are in a MAC address?
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.
48 Bits
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

34. Frame Relay
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Logicial Link Control
When require to communicate between different vendors across the same serial link.

35. Which OSI model layer is concerned with MAC addresses?
Layer 1 Protocol having to do with serial communication
Layer 2 - The Data Link layer.
Local Area Network
Hardware address - Ethernet address - BIA - Burned in Address

36. What does the acronym 'HDLC' stand for?
Theoretical
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
The hardware that implements the MAC.
High-Level Data Link Control

37. What is the EIA/TIA 232 protocol concerned with?
Local Area Network
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Layer 1 Protocol having to do with serial communication
Open Source Interconnect

38. What are some examples of 'WAN' side 'Encapsulation' type Datalink Layer Protocols and Standards?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Presentation layer.
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.
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM

39. How many Layers in the OSI Model?
Seven
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
Wide Area Network
Presentation layer.

40. What are are the 'Sub Layers' of the 'Data Link' Layer?
Point-to-Point Protocol over ATM
Point to Point
Open Source Interconnect
MAC SubLayer - LLC SubLayer

41. What are the advantages of the OSI model?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Data Link layer.
Session layer.

42. What is the Physical Layer responsible for?

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43. What is layer 6 of the OSI model?
48 bit address used to identify networking cards and appliances
Presentation layer.
Physical - Data Link. Network - Transport
Logicial Link Control

44. What does the acronym 'WAN' stand for?
High-Level Data Link Control
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Transport layer.
Wide Area Network

45. What is the 'LLC Layer' responsible for?
Local Area Network
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
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Layer 1 Protocol having to do with serial communication

46. What does the acronym 'PPP' stand for?
Layer 2 - The Data Link layer.
Point to Point
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.
48 bit address used to identify networking cards and appliances

47. What are considered the Data Flow layers?
Asynchronous Transfer Mode
Physical - Data Link. Network - Transport
Media Access Control
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology

48. When would the PPP be used?
Wide Area Network
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
When require to communicate between different vendors across the same serial link.
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

49. What is layer 7 of the OSI model?
Layer 1 Protocol having to do with serial communication
Network layer.
Logicial Link Control
Application layer.

50. What is the difference between the TCP and UDP protocols?
Layer 1 Protocol having to do with serial communication
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Application layer.
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

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Cisco Certification OSI Model

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