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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. How many Layers in the OSI Model?
Seven
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
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
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)

2. What is the purpose of the OSI Model?
Hardware address - Ethernet address - BIA - Burned in Address
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
Provide a model to discribe how data moves from source device to destination device.

3. What are are the 'Sub Layers' of the 'Data Link' Layer?
MAC SubLayer - LLC SubLayer
Asynchronous Transfer Mode
Physical layer.
Provide a model to discribe how data moves from source device to destination device.

4. What is HDLC?
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
Point to Point
Media Access Control

5. 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)
Data Flow layers.
48 bit address used to identify networking cards and appliances
Application layer.

6. What does the acronym 'MAC' stand for?
Media Access Control
Logicial Link Control
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.
Point to Point

7. What is the 'MAC Layer' responsible for?
Physical - Data Link. Network - Transport
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
Point to Point
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

8. What does the acronym 'LAN' stand for?
Asynchronous Transfer Mode
Data Flow layers.
Local Area 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

9. When would the PPP be used?
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.
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Session layer.

10. What are other names for MAC address?
Provide a model to discribe how data moves from source device to destination device.
The hardware that implements the MAC.
Hardware address - Ethernet address - BIA - Burned in Address
High-Level Data Link Control

11. What is the EIA/TIA 232 protocol concerned with?
Layer 1 Protocol having to do with serial communication
Theoretical
Open Source Interconnect
Physical layer.

12. What does the acronym 'LLC' stand for?
Logicial Link Control
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Presentation layer.
Physical Layer

13. What does the acronym 'PPP' stand for?
Point to Point
Presentation layer.
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)

14. What is the 'medium access controller'?
Provide a model to discribe how data moves from source device to destination device.
The hardware that implements the MAC.
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

15. What are the advantages of the OSI model?
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
Open Source Interconnect
Network layer.

16. What does the acronym 'ISO' stand for?
Local Area Network
International Standards Organization
Physical Layer
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination

17. What is layer 7 of the OSI model?
Transport layer.
Application 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
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

18. What does the acronym 'PPPoA' stand for?
Point-to-Point Protocol over ATM
The hardware that implements the MAC.
Point to Point
Asynchronous Transfer Mode

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

20. OSI layers are...
Theoretical
Physical - Data Link. Network - Transport
Transport layer.
Network layer.

21. What is layer 6 of the OSI model?
MAC SubLayer - LLC SubLayer
Application layer.
Presentation layer.
Physical layer.

22. What is the Physical Layer responsible for?

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23. What is layer 4 of the OSI model?
Transport layer.
MAC SubLayer - LLC SubLayer
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

24. What are some Physical Layer Protocols and Standards?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Data Flow layers.
48 bit address used to identify networking cards and appliances
IEA RS232 - V.35. Cat 5 - RJ45

25. What is layer 1 of the OSI model?
Session layer.
Physical layer.
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
Wide Area Network

26. What is layer 3 of the OSI model?
Provide a model to discribe how data moves from source device to destination device.
Transport layer.
Layer 2 - The Data Link layer.
Network layer.

27. 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
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Hardware address - Ethernet address - BIA - Burned in Address
Theoretical

28. What does the acronym 'ISDN' stand 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
ISDN - Integrated Services Digital Network
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

29. What is the 'LLC Layer' responsible for?
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
Theoretical
Hardware address - Ethernet address - BIA - Burned in Address

30. How does the third OSI model layer relate to administering routers?
Network layer.
ISDN - Integrated Services Digital Network
Hardware address - Ethernet address - BIA - Burned in Address
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination

31. What does the acronym 'WAN' stand for?
Layer 2 - The Data Link layer.
Seven
Point to Point
Wide Area Network

32. What is layer 5 of the OSI model?
International Standards Organization
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.
Media Access Control
Session layer.

33. What is the OSI model and why is it important in understanding networking?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Transport layer.
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
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

34. What is the difference between the TCP and UDP protocols?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Theoretical

35. In an OSI context What is considered 'media'?
Theoretical
Cables - Pins - Electrical Signals
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
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

36. Where does troublingshooting alway start?
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Physical Layer
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
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.

37. What does the acronym 'ATM' stand for?
Asynchronous Transfer Mode
Physical - Data Link. Network - Transport
Seven
Theoretical

38. What is ATM?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
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.
Logicial Link Control

39. What are considered the Data Flow layers?
Physical - Data Link. Network - Transport
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.
Data Link layer.
Point-to-Point Protocol over ATM

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

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41. What are the first 4 layers of the OSI model called?
Cables - Pins - Electrical Signals
Data Flow layers.
Point-to-Point Protocol over ATM
Open Source Interconnect

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

43. 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
Seven
IEA RS232 - V.35. Cat 5 - RJ45
48 Bits

44. Which OSI model layer is concerned with MAC addresses?
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 technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Layer 2 - The Data Link layer.
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

45. Frame Relay
Provide a model to discribe how data moves from source device to destination device.
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Session layer.
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology

46. What is the MAC address?
Cables - Pins - Electrical Signals
Logicial Link Control
Transport layer.
48 bit address used to identify networking cards and appliances

47. What is layer 2 of the OSI model?
Local Area Network
IEA RS232 - V.35. Cat 5 - RJ45
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Data Link layer.

48. What does the acronym default 'HDLC' protocol stand for?
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
High-Level Data Link Control
High Level Data Link Control
Hardware address - Ethernet address - BIA - Burned in Address

49. How bits are in a MAC address?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
48 Bits
ISDN - Integrated Services Digital Network
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

50. What does the acronym 'OSI' stand for?
Application layer.
Open Source Interconnect
Point to Point
Point-to-Point Protocol over ATM