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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 'ISDN' stand for?
Local Area Network
Hardware address - Ethernet address - BIA - Burned in Address
Physical Layer
ISDN - Integrated Services Digital Network

2. What does the acronym default 'HDLC' protocol stand for?
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
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
High Level Data Link Control

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

4. What is ATM?
Data Flow layers.
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
Physical - Data Link. Network - Transport

5. What is layer 7 of the OSI model?
Application layer.
High Level Data Link Control
Layer 2 - The Data Link layer.
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.

6. 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
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
Point-to-Point Protocol over ATM
MAC SubLayer - LLC SubLayer

7. What is the MAC address?
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
48 bit address used to identify networking cards and appliances
Physical - Data Link. Network - Transport
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.

8. When would the PPP be used?
When require to communicate between different vendors across the same serial link.
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)
Point to Point

9. What is layer 2 of the OSI model?
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
48 Bits
Point to Point
Data Link layer.

10. What is layer 3 of the OSI model?
Network layer.
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
IEA RS232 - V.35. Cat 5 - RJ45

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

12. What is the Mnemonic phrase for remembering OSI layers ordered 1 to 7?
Wide Area Network
High Level Data Link Control
ISDN - Integrated Services Digital Network
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

13. What is the 'MAC Layer' responsible for?
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
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

14. What are the advantages of the OSI model?
Data Flow layers.
International Standards Organization
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
MAC SubLayer - LLC SubLayer

15. What is layer 6 of the OSI model?
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Presentation layer.
Provide a model to discribe how data moves from source device to destination device.
High-Level Data Link Control

16. 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
Cables - Pins - Electrical Signals
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
Point-to-Point Protocol over ATM

17. Where does troublingshooting alway start?
Open Source Interconnect
Physical Layer
Session layer.
Local Area Network

18. What does the acronym 'PPPoA' stand for?
Asynchronous Transfer Mode
Point-to-Point Protocol over ATM
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Physical - Data Link. Network - Transport

19. What is HDLC?
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
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
Presentation layer.
IEA RS232 - V.35. Cat 5 - RJ45

20. What is layer 4 of 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.
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.
Transport layer.
Logicial Link Control

21. Frame Relay
Media Access Control
48 bit address used to identify networking cards and appliances
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
High-Level Data Link Control

22. What does the acronym 'PPP' stand for?
48 Bits
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 2 - The Data Link layer.
Point to Point

23. 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
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Logicial Link Control

24. What are are the 'Sub Layers' of the 'Data Link' Layer?
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Session layer.
Wide Area Network
MAC SubLayer - LLC SubLayer

25. What is the EIA/TIA 232 protocol concerned with?
Point-to-Point Protocol over ATM
Layer 1 Protocol having to do with serial communication
48 Bits
Physical layer.

26. How many Layers in the OSI Model?
Cables - Pins - Electrical Signals
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Layer 2 - The Data Link layer.
Seven

27. What is layer 5 of the OSI model?
Session layer.
Data Flow layers.
High Level Data Link Control
Network layer.

28. OSI layers are...
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
International Standards Organization
The hardware that implements the MAC.
Theoretical

29. What is layer 1 of the OSI model?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Physical layer.
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Asynchronous Transfer Mode

30. What does the acronym 'ISO' stand for?
International Standards Organization
Seven
Hardware address - Ethernet address - BIA - Burned in Address
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 protocols correspond to the Presentation and Session layers?
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
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.
Media Access Control

32. What does the acronym 'WAN' stand for?
Transport 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.
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

33. 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
48 bit address used to identify networking cards and appliances
Logicial Link Control

34. What does the acronym 'LLC' stand for?
Logicial Link Control
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
Theoretical

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

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36. In an OSI context What is considered 'media'?
High Level Data Link Control
Hardware address - Ethernet address - BIA - Burned in Address
Seven
Cables - Pins - Electrical Signals

37. What is the Physical Layer responsible for?

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38. What are some Physical Layer Protocols and Standards?
IEA RS232 - V.35. Cat 5 - RJ45
Session layer.
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

39. What is the purpose of the OSI Model?
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
Point-to-Point Protocol over ATM
Provide a model to discribe how data moves from source device to destination device.

40. How bits are in a MAC address?
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Point to Point
Data Link layer.
48 Bits

41. What does the acronym 'ATM' stand for?
Data Flow layers.
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
48 bit address used to identify networking cards and appliances
Asynchronous Transfer Mode

42. What is the difference between the TCP and UDP protocols?
Network layer.
Point-to-Point Protocol over ATM
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

43. What is the OSI model and why is it important in understanding networking?
Presentation layer.
Asynchronous Transfer Mode
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
Hardware address - Ethernet address - BIA - Burned in Address

44. What does the acronym 'LAN' stand for?
Physical - Data Link. Network - Transport
Local Area Network
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination

45. What are considered the Data Flow layers?
Physical - Data Link. Network - Transport
IEA RS232 - V.35. Cat 5 - RJ45
Point to Point
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

46. 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
Layer 1 Protocol having to do with serial communication
Presentation layer.
48 Bits

47. What are the first 4 layers of the OSI model called?
Data Flow layers.
Cables - Pins - Electrical Signals
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
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.

48. What does the acronym 'HDLC' stand for?
48 bit address used to identify networking cards and appliances
High-Level Data Link Control
Session layer.
Cables - Pins - Electrical Signals

49. Which OSI model layer is concerned with MAC addresses?
Provide a model to discribe how data moves from source device to destination device.
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.
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Layer 2 - The Data Link layer.

50. 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)
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
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Presentation layer.

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Cisco Certification OSI Model

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