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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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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 does the acronym 'HDLC' stand for?
IEA RS232 - V.35. Cat 5 - RJ45
High-Level Data Link Control
Transport layer.
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

2. What does the acronym 'PPP' stand for?
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
Session layer.
Provide a model to discribe how data moves from source device to destination device.
Point to Point

3. Where does troublingshooting alway start?
Network layer.
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Physical Layer
IEA RS232 - V.35. Cat 5 - RJ45

4. How many Layers in the OSI Model?
IEA RS232 - V.35. Cat 5 - RJ45
Wide Area Network
Seven
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

5. 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
Layer 2 - The Data Link layer.
High Level Data Link Control

6. What is the Physical Layer responsible for?

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7. What is layer 2 of the OSI model?
Data Link layer.
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Layer 2 - The Data Link layer.
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology

8. What is layer 3 of the OSI model?
International Standards Organization
Network layer.
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Logicial Link Control

9. 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
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
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

10. What does the acronym default 'HDLC' protocol stand for?
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.
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Application layer.
High Level Data Link Control

11. What is layer 1 of the OSI model?
Presentation layer.
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Physical layer.

12. What does the acronym 'LAN' stand for?
ISDN - Integrated Services Digital Network
Network layer.
Local Area Network
International Standards Organization

13. What is layer 5 of the OSI model?
Hardware address - Ethernet address - BIA - Burned in Address
The hardware that implements the MAC.
Session layer.
Network layer.

14. What is the 'MAC Layer' responsible for?
Transport layer.
High Level Data Link 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
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination

15. What is the purpose of the OSI Model?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Hardware address - Ethernet address - BIA - Burned in Address
High Level Data Link Control
Provide a model to discribe how data moves from source device to destination device.

16. Which OSI model layer is concerned with MAC addresses?
Asynchronous Transfer Mode
Hardware address - Ethernet address - BIA - Burned in Address
Layer 2 - The Data Link layer.
Point-to-Point Protocol over ATM

17. What is layer 7 of the OSI model?
Asynchronous Transfer Mode
Application layer.
Session layer.
48 Bits

18. What is the MAC address?
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Hardware address - Ethernet address - BIA - Burned in Address
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
48 bit address used to identify networking cards and appliances

19. What are the first 4 layers of the OSI model called?
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
Presentation layer.
Data Flow layers.
Hardware address - Ethernet address - BIA - Burned in Address

20. What is the difference between the TCP and UDP protocols?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Data Flow layers.
Hardware address - Ethernet address - BIA - Burned in Address
Point to Point

21. 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)
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Cables - Pins - Electrical Signals
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

22. Frame Relay
Local Area Network
Layer 2 - The Data Link layer.
The hardware that implements the MAC.
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology

23. What are are the 'Sub Layers' of the 'Data Link' Layer?
Provide a model to discribe how data moves from source device to destination device.
MAC SubLayer - LLC SubLayer
Wide Area Network
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

24. What is the OSI model and why is it important in understanding networking?
Logicial Link Control
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.
Layer 1 Protocol having to do with serial communication

25. When would the PPP be used?
When require to communicate between different vendors across the same serial link.
Session layer.
Physical - Data Link. Network - Transport
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

26. What is the EIA/TIA 232 protocol concerned with?
Physical - Data Link. Network - Transport
The hardware that implements the MAC.
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Layer 1 Protocol having to do with serial communication

27. What does the acronym 'WAN' stand for?
Wide Area Network
When require to communicate between different vendors across the same serial link.
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Provide a model to discribe how data moves from source device to destination device.

28. What does the acronym 'MAC' stand for?
Media Access 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.
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
Physical Layer

29. What is ATM?
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Point-to-Point Protocol over ATM
Layer 1 Protocol having to do with serial communication
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.

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

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31. 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
Physical - Data Link. Network - Transport
Transport layer.
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology

32. What is the Mnemonic phrase for remembering OSI layers ordered 1 to 7?
IEA RS232 - V.35. Cat 5 - RJ45
Presentation layer.
Data Link layer.
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

33. What are some Physical Layer Protocols and Standards?
High Level Data Link Control
Asynchronous Transfer Mode
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
IEA RS232 - V.35. Cat 5 - RJ45

34. What does the acronym 'ATM' stand for?
ISDN - Integrated Services Digital Network
Physical 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
Asynchronous Transfer Mode

35. What is layer 4 of the OSI model?
Transport layer.
Theoretical
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
The hardware that implements the MAC.

36. What are considered the Data Flow layers?
Cables - Pins - Electrical Signals
Point to Point
Physical - Data Link. Network - Transport
Hardware address - Ethernet address - BIA - Burned in Address

37. What is layer 6 of the OSI model?
ISDN - Integrated Services Digital Network
Presentation layer.
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

38. What does the acronym 'ISO' stand for?
International Standards Organization
Session 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.
48 Bits

39. What are some examples of 'WAN' side 'Encapsulation' type Datalink Layer Protocols and Standards?
Open Source Interconnect
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Point-to-Point Protocol over ATM
ISDN - Integrated Services Digital Network

40. OSI layers are...
Physical layer.
Presentation layer.
Theoretical
Transport layer.

41. How does the third OSI model layer relate to administering routers?
Asynchronous Transfer Mode
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
48 Bits
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

42. What is HDLC?
Point to Point
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Provide a model to discribe how data moves from source device to destination device.
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

43. What are other names for MAC address?
Hardware address - Ethernet address - BIA - Burned in Address
Network 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
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination

44. What is the 'medium access controller'?
The hardware that implements the MAC.
International Standards Organization
IEA RS232 - V.35. Cat 5 - RJ45
Session layer.

45. What does the acronym 'OSI' stand for?
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Open Source Interconnect
Data Flow layers.
Session layer.

46. In an OSI context What is considered '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
Session layer.
Point to Point
Cables - Pins - Electrical Signals

47. What does the acronym 'PPPoA' stand for?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Point-to-Point Protocol over ATM
Open Source Interconnect
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

48. What does the acronym 'LLC' stand for?
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
High-Level Data Link Control
Logicial Link Control
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination

49. How bits are in a MAC address?
48 bit address used to identify networking cards and appliances
High Level Data Link Control
IEA RS232 - V.35. Cat 5 - RJ45
48 Bits

50. What are the advantages of the OSI model?
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
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Point-to-Point Protocol over ATM

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Cisco Certification OSI Model

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