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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. How does the third OSI model layer relate to administering routers?
Point to Point
Seven
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Cables - Pins - Electrical Signals

2. What does the acronym 'ATM' stand for?
When require to communicate between different vendors across the same serial link.
Asynchronous Transfer Mode
Point-to-Point Protocol over ATM
Transport layer.

3. What is ATM?
When require to communicate between different vendors across the same serial link.
Wide Area Network
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - 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.

4. What does the acronym 'WAN' stand for?
IEA RS232 - V.35. Cat 5 - RJ45
Layer 1 Protocol having to do with serial communication
Wide Area Network
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

5. What does the acronym default 'HDLC' protocol stand for?
High Level Data Link Control
MAC SubLayer - LLC SubLayer
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.

6. What does the acronym 'LAN' stand for?
Local Area Network
Media Access Control
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
International Standards Organization

7. What is layer 5 of the OSI model?
Session layer.
Physical - Data Link. Network - Transport
48 bit address used to identify networking cards and appliances
Media Access Control

8. What are some Physical Layer Protocols and Standards?
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 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 1 Protocol having to do with serial communication
IEA RS232 - V.35. Cat 5 - RJ45

9. What is the OSI model and why is it important in understanding networking?
Wide Area Network
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
Data Flow layers.
IEA RS232 - V.35. Cat 5 - RJ45

10. What is layer 4 of the OSI model?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Transport layer.
Point-to-Point Protocol over ATM

11. What are some examples of 'LAN' side Datalink Layer Protocols and Standards?
Physical layer.
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Theoretical
48 bit address used to identify networking cards and appliances

12. Frame Relay
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
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.
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

13. Where does troublingshooting alway start?
Physical Layer
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
48 Bits
Layer 1 Protocol having to do with serial communication

14. What is layer 6 of the OSI model?
Presentation 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.
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
Media Access Control

15. 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.
ISDN - Integrated Services Digital Network
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. Which OSI model layer is concerned with MAC addresses?
Network layer.
Layer 2 - The Data Link layer.
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

17. What is the difference between the TCP and UDP protocols?
Cables - Pins - Electrical Signals
Transport layer.
Media Access Control
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

18. What is layer 3 of the OSI model?
Asynchronous Transfer Mode
Physical layer.
Data Flow layers.
Network layer.

19. What does the acronym 'PPPoA' stand for?
48 bit address used to identify networking cards and appliances
Presentation layer.
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Point-to-Point Protocol over ATM

20. What does the acronym 'ISDN' 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.
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Physical Layer
ISDN - Integrated Services Digital Network

21. What does the acronym 'LLC' stand for?
Logicial Link Control
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
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.

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

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23. 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
ISDN - Integrated Services Digital Network
Point to Point
Open Source Interconnect

24. In an OSI context What is considered 'media'?
Cables - Pins - Electrical Signals
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
ISDN - Integrated Services Digital Network

25. What are the advantages of the OSI model?
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'.
Media Access Control
The hardware that implements the MAC.

26. What is the purpose of the OSI Model?
Seven
IEA RS232 - V.35. Cat 5 - RJ45
Logicial Link Control
Provide a model to discribe how data moves from source device to destination device.

27. How bits are in a MAC address?
Point to Point
Layer 1 Protocol having to do with serial communication
Session layer.
48 Bits

28. OSI layers are...
Theoretical
Data Link layer.
Asynchronous Transfer Mode
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

29. When would the PPP be used?
When require to communicate between different vendors across the same serial link.
Wide Area Network
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Application layer.

30. What are considered the Data Flow layers?
48 Bits
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 - Data Link. Network - Transport
IEA RS232 - V.35. Cat 5 - RJ45

31. What does the acronym 'ISO' stand for?
Data Flow layers.
MAC SubLayer - LLC SubLayer
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.
International Standards Organization

32. What does the acronym 'HDLC' stand for?
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
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
High-Level Data Link Control

33. What is the Physical Layer responsible for?

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34. What are some examples of 'WAN' side 'Encapsulation' type Datalink Layer Protocols and Standards?
Open Source Interconnect
48 Bits
The hardware that implements the MAC.
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM

35. What does the acronym 'OSI' stand for?
Hardware address - Ethernet address - BIA - Burned in Address
Provide a model to discribe how data moves from source device to destination device.
Open Source Interconnect
Data Link layer.

36. What is the Mnemonic phrase for remembering OSI layers ordered 7 to 1?
High-Level Data Link Control
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Logicial Link Control
High Level Data Link Control

37. What is layer 1 of the OSI model?
Physical layer.
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.
Application layer.

38. What protocols correspond to the Presentation and Session layers?
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
When require to communicate between different vendors across the same serial link.
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination

39. What are the first 4 layers of the OSI model called?
Media Access Control
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.
Data Flow layers.

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

41. What is HDLC?
Open Source Interconnect
Seven
Media Access Control
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

42. How many Layers in the OSI Model?
Network layer.
International Standards Organization
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Seven

43. What is the MAC address?
48 bit address used to identify networking cards and appliances
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Cables - Pins - Electrical Signals
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

44. What is the 'MAC Layer' responsible for?
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Layer 1 Protocol having to do with serial communication
Logicial 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

45. What is the Mnemonic phrase for remembering OSI layers ordered 1 to 7?
Network layer.
Wide Area Network
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.

46. What is the 'LLC 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
48 Bits
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

47. What is layer 2 of the OSI model?
Data Link layer.
Provide a model to discribe how data moves from source device to destination device.
Wide Area Network
Seven

48. What does the acronym 'MAC' stand for?
Wide Area Network
Application layer.
Point-to-Point Protocol over ATM
Media Access Control

49. What is layer 7 of the OSI model?
Transport layer.
Application layer.
Data Link layer.
48 Bits

50. What are other names for MAC address?
Point-to-Point Protocol over ATM
Hardware address - Ethernet address - BIA - Burned in Address
High-Level Data Link Control
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

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Cisco Certification OSI Model

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