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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 is layer 5 of the OSI model?
Provide a model to discribe how data moves from source device to destination device.
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
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 1 to 7?
Point to Point
Network layer.
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Application layer.

3. What are other names for MAC address?
MAC SubLayer - LLC SubLayer
Application layer.
Cables - Pins - Electrical Signals
Hardware address - Ethernet address - BIA - Burned in Address

4. What is layer 3 of the OSI model?
High-Level Data Link Control
Network layer.
Layer 1 Protocol having to do with serial communication
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination

5. What protocols correspond to the Presentation and Session layers?
Media Access Control
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
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
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.

6. What does the acronym 'WAN' stand for?
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
Media Access Control
Hardware address - Ethernet address - BIA - Burned in Address

7. What does the acronym 'ISO' stand for?
International Standards Organization
Physical - Data Link. Network - Transport
Point to Point
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM

8. Where does troublingshooting alway start?
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
Physical Layer
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

9. What does the acronym 'MAC' stand for?
Layer 1 Protocol having to do with serial communication
Media Access Control
MAC SubLayer - LLC SubLayer
Application layer.

10. How many Layers in the OSI Model?
Seven
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Application layer.

11. 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
Layer 2 - The Data Link layer.
Data Flow layers.

12. What is layer 2 of the OSI model?
Data Link layer.
Layer 2 - The Data Link layer.
Layer 1 Protocol having to do with serial communication
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

13. What is the purpose of the OSI Model?
Provide a model to discribe how data moves from source device to destination device.
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
MAC SubLayer - LLC SubLayer
Wide Area Network

14. What are some Physical Layer Protocols and Standards?
IEA RS232 - V.35. Cat 5 - RJ45
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
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Presentation layer.

15. 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
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'.
Open Source Interconnect

16. What are considered the Data Flow layers?
International Standards Organization
Physical - Data Link. Network - Transport
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Open Source Interconnect

17. What is layer 7 of the OSI model?
Media Access Control
Application layer.
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Physical Layer

18. What is layer 1 of the OSI model?
Asynchronous Transfer Mode
Physical 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.
Session layer.

19. OSI layers are...
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Layer 1 Protocol having to do with serial communication
Theoretical
Logicial Link Control

20. 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
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - 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
The hardware that implements the MAC.

21. What does the acronym 'PPPoA' stand for?
Open Source Interconnect
Point-to-Point Protocol over ATM
Application layer.
Media Access Control

22. What is the EIA/TIA 232 protocol concerned with?
48 bit address used to identify networking cards and appliances
Hardware address - Ethernet address - BIA - Burned in Address
Layer 1 Protocol having to do with serial communication
Transport layer.

23. 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
High Level Data Link Control
Session 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

24. What is layer 6 of the OSI model?
Presentation 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
Point to Point
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

25. 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
Presentation layer.
48 bit address used to identify networking cards and appliances

26. What does the acronym 'PPP' stand for?
Transport layer.
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Point to Point

27. What does the acronym 'OSI' stand for?
Layer 1 Protocol having to do with serial communication
Data Flow layers.
ISDN - Integrated Services Digital Network
Open Source Interconnect

28. What are the advantages of the OSI model?
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Local Area Network
Physical layer.
When require to communicate between different vendors across the same serial link.

29. In an OSI context What is considered 'media'?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
IEA RS232 - V.35. Cat 5 - RJ45
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

30. What does the acronym default 'HDLC' protocol stand for?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
High Level Data Link Control
The hardware that implements the MAC.
Wide Area Network

31. 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
Physical 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.
Local Area Network

32. How bits are in a MAC address?
IEA RS232 - V.35. Cat 5 - RJ45
ISDN - Integrated Services Digital Network
International Standards Organization
48 Bits

33. What are the first 4 layers of the OSI model called?
Data Flow layers.
Seven
Application layer.
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.

34. Which OSI model layer is concerned with MAC addresses?
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
Physical layer.
Application layer.

35. What is the MAC address?
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
High Level Data Link Control
48 bit address used to identify networking cards and appliances

36. What does the acronym 'LLC' stand for?
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Logicial Link Control
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Presentation layer.

37. What does the acronym 'LAN' stand for?
Local Area Network
Seven
When require to communicate between different vendors across the same serial link.
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM

38. What is the difference between the TCP and UDP protocols?
Data Link layer.
When require to communicate between different vendors across the same serial link.
Presentation layer.
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

39. When would the PPP be used?
When require to communicate between different vendors across the same serial link.
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
Logicial Link Control

40. What are are the 'Sub Layers' of the 'Data Link' Layer?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Physical Layer
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.

41. What is the OSI model and why is it important in understanding networking?
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
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
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.

42. Frame Relay
Session layer.
Asynchronous Transfer Mode
Open Source Interconnect
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology

43. What is layer 4 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
The hardware that implements the MAC.
Transport layer.
Media Access Control

44. What does the acronym 'ISDN' stand for?
Presentation layer.
ISDN - Integrated Services Digital Network
Provide a model to discribe how data moves from source device to destination device.
Physical Layer

45. What is 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
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Seven
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.

46. What does the acronym 'ATM' stand for?
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.
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

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

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48. What is the 'medium access controller'?
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
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 hardware that implements the MAC.
Point-to-Point Protocol over ATM

49. What is the Physical Layer responsible for?

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50. What does the acronym 'HDLC' 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.
Physical - Data Link. Network - Transport
Wide Area Network
High-Level Data Link Control