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Cisco Certification OSI Model

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

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 'LAN' stand for?
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
MAC SubLayer - LLC SubLayer
Application layer.
Local Area Network

2. What is the 'MAC 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
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
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Physical - Data Link. Network - Transport

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

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4. What are considered the Data Flow layers?
Transport layer.
Physical - Data Link. Network - Transport
Media Access Control
Hardware address - Ethernet address - BIA - Burned in Address

5. What does the acronym 'LLC' stand for?
Data Link layer.
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Logicial Link Control
Media Access Control

6. What is layer 5 of the OSI model?
Session layer.
Physical Layer
Media Access Control
Open Source Interconnect

7. What does the acronym 'ISO' stand for?
High Level Data Link Control
International Standards Organization
Open Source Interconnect
Session layer.

8. What is layer 3 of the OSI model?
Point-to-Point Protocol over ATM
When require to communicate between different vendors across the same serial link.
Network layer.
Open Source Interconnect

9. What is layer 2 of the OSI model?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Data Link 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

10. What is the 'medium access controller'?
Network layer.
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
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.

11. What is ATM?
Point to Point
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.
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM

12. What does the acronym 'WAN' stand for?
Theoretical
Wide Area Network
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
High Level Data Link Control

13. What is the difference between the TCP and UDP protocols?
The hardware that implements the MAC.
When require to communicate between different vendors across the same serial link.
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

14. What does the acronym 'PPPoA' stand for?
Application layer.
The hardware that implements the MAC.
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

15. What does the acronym default 'HDLC' protocol stand for?
High Level Data Link Control
Logicial Link Control
Data Flow layers.
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

16. What is layer 4 of the OSI model?
Hardware address - Ethernet address - BIA - Burned in Address
Physical - Data Link. Network - Transport
Transport layer.
High Level Data Link Control

17. How bits are in a MAC address?
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
48 Bits
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

18. What is the MAC address?
Physical Layer
Logicial Link Control
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

19. Which OSI model layer is concerned with MAC addresses?
Physical - Data Link. Network - Transport
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
Provide a model to discribe how data moves from source device to destination device.
Layer 2 - The Data Link layer.

20. What is the OSI model and why is it important in understanding networking?
48 Bits
Layer 1 Protocol having to do with serial communication
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
Open Source Interconnect

21. What does the acronym 'HDLC' stand for?
Point to Point
Hardware address - Ethernet address - BIA - Burned in Address
High-Level Data Link Control
48 bit address used to identify networking cards and appliances

22. What are are the 'Sub Layers' of the 'Data Link' Layer?
MAC SubLayer - LLC SubLayer
Layer 2 - The Data Link layer.
Data Link layer.
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.

23. What does the acronym 'MAC' stand for?
Cables - Pins - Electrical Signals
Media Access Control
Asynchronous Transfer Mode
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

24. What is the Mnemonic phrase for remembering OSI layers ordered 1 to 7?
Asynchronous Transfer Mode
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
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

25. What does the acronym 'ISDN' stand for?
Session layer.
Local Area Network
ISDN - Integrated Services Digital Network
Hardware address - Ethernet address - BIA - Burned in Address

26. What protocols correspond to the Presentation and Session layers?
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
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
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

27. Where does troublingshooting alway start?
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Physical layer.
Physical Layer
Seven

28. How does the third OSI model layer relate to administering routers?
International Standards Organization
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Cables - Pins - Electrical Signals

29. What does the acronym 'ATM' stand for?
Physical layer.
High-Level Data Link Control
Asynchronous Transfer Mode
Application layer.

30. What are some Physical Layer Protocols and Standards?
Transport 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
48 Bits
IEA RS232 - V.35. Cat 5 - RJ45

31. What is layer 6 of the OSI model?
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
Data Link layer.
Presentation layer.

32. What is the Mnemonic phrase for remembering OSI layers ordered 7 to 1?
Open Source Interconnect
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Physical - Data Link. Network - Transport

33. Frame Relay
Cables - Pins - Electrical Signals
ISDN - Integrated Services Digital Network
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

34. What does the acronym 'OSI' stand for?
48 Bits
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
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

35. In an OSI context What is considered 'media'?
Cables - Pins - Electrical Signals
Presentation layer.
Wide Area Network
Network layer.

36. What is HDLC?
Layer 1 Protocol having to do with serial communication
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
Point-to-Point Protocol over ATM
ISDN - Integrated Services Digital Network

37. What are the advantages of the OSI model?
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
Transport layer.
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Presentation layer.

38. What is layer 7 of the OSI model?
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
Application layer.

39. What does the acronym 'PPP' stand for?
Point to Point
International Standards Organization
Application layer.
Network layer.

40. What are the first 4 layers of the OSI model called?
Data Flow layers.
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
Asynchronous Transfer Mode
Physical layer.

41. What are other names for MAC address?
IEA RS232 - V.35. Cat 5 - RJ45
Hardware address - Ethernet address - BIA - Burned in Address
When require to communicate between different vendors across the same serial link.
Asynchronous Transfer Mode

42. How many Layers in the OSI Model?
Cables - Pins - Electrical Signals
Point to Point
Seven
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.

43. What is the EIA/TIA 232 protocol concerned with?
ISDN - Integrated Services Digital Network
Layer 1 Protocol having to do with serial communication
High Level Data Link Control
Data Link layer.

44. What are some examples of 'LAN' side Datalink Layer Protocols and Standards?
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
Layer 1 Protocol having to do with serial communication
Transport layer.

45. What is the 'LLC Layer' responsible for?
Transport layer.
48 bit address used to identify networking cards and appliances
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
Network layer.

46. When would the PPP be used?
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
When require to communicate between different vendors across the same serial link.
Point to Point
Cables - Pins - Electrical Signals

47. What are some examples of 'WAN' side 'Encapsulation' type Datalink Layer Protocols and Standards?
Cables - Pins - Electrical Signals
MAC SubLayer - LLC SubLayer
Physical - Data Link. Network - Transport
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM

48. What is layer 1 of the OSI model?
Physical layer.
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
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
When require to communicate between different vendors across the same serial link.

49. OSI layers are...
Presentation layer.
Theoretical
48 Bits
International Standards Organization

50. What is the purpose of the OSI Model?
MAC SubLayer - LLC SubLayer
Provide a model to discribe how data moves from source device to destination device.
Data Link layer.
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology