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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 are some examples of 'WAN' side 'Encapsulation' type Datalink Layer Protocols and Standards?
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
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Point to Point

2. What is the 'MAC Layer' responsible for?
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Data Flow layers.
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
Provide a model to discribe how data moves from source device to destination device.

3. 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
Physical layer.
Point-to-Point Protocol over ATM
Point to Point

4. What does the acronym 'ISDN' stand for?
Open Source Interconnect
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
ISDN - Integrated Services Digital Network
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

5. What is the Mnemonic phrase for remembering OSI layers ordered 7 to 1?
Network layer.
Local Area Network
International Standards Organization
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)

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

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7. What is layer 3 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.
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Network layer.
MAC SubLayer - LLC SubLayer

8. What is HDLC?
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
High Level Data Link Control
Cables - Pins - Electrical Signals
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

9. Where does troublingshooting alway start?
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
MAC SubLayer - LLC SubLayer
Physical Layer
ISDN - Integrated Services Digital Network

10. What is layer 2 of the OSI model?
Presentation layer.
48 Bits
Wide Area Network
Data Link layer.

11. What does the acronym 'HDLC' stand for?
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Layer 1 Protocol having to do with serial communication
High Level Data Link Control
High-Level Data Link Control

12. What are the first 4 layers of the OSI model called?
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
Data Link layer.
The hardware that implements the MAC.
Data Flow layers.

13. What is layer 1 of the OSI model?
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.
Physical layer.
Theoretical

14. What does the acronym 'PPPoA' stand for?
Theoretical
Data Link layer.
Point-to-Point Protocol over ATM
48 Bits

15. How bits are in a MAC address?
The hardware that implements the MAC.
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
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

16. What is the EIA/TIA 232 protocol concerned with?
Wide Area Network
Layer 1 Protocol having to do with serial communication
Application 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

17. What is 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.
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
Local Area Network
Session layer.

18. In an OSI context What is considered 'media'?
Point-to-Point Protocol over ATM
Seven
Cables - Pins - Electrical Signals
Asynchronous Transfer Mode

19. What are other names for MAC address?
Hardware address - Ethernet address - BIA - Burned in Address
Open Source Interconnect
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Layer 1 Protocol having to do with serial communication

20. What is the MAC address?
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.
48 bit address used to identify networking cards and appliances

21. What is the Mnemonic phrase for remembering OSI layers ordered 1 to 7?
Physical - Data Link. Network - Transport
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
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)

22. What does the acronym 'ISO' stand for?
Physical - Data Link. Network - Transport
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
Provide a model to discribe how data moves from source device to destination device.
International Standards Organization

23. How many Layers in the OSI Model?
Layer 1 Protocol having to do with serial communication
Network layer.
Application layer.
Seven

24. What is the purpose of the OSI Model?
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
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.
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.

25. What does the acronym 'MAC' stand for?
Media Access Control
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
Asynchronous Transfer Mode

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

27. What does the acronym 'LLC' stand for?
Layer 2 - The Data Link layer.
Cables - Pins - Electrical Signals
Logicial Link Control
Data Link layer.

28. What is layer 5 of the OSI model?
Wide Area Network
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Network layer.
Session layer.

29. What protocols correspond to the Presentation and Session layers?
Hardware address - Ethernet address - BIA - Burned in Address
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
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

30. What is the Physical Layer responsible for?

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31. What does the acronym default 'HDLC' protocol stand for?
Theoretical
Point to Point
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
High Level Data Link Control

32. OSI layers are...
Theoretical
Network layer.
When require to communicate between different vendors across the same serial link.
Physical Layer

33. Which OSI model layer is concerned with MAC addresses?
Layer 2 - The Data Link 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
Data Link 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

34. What are some Physical Layer Protocols and Standards?
Data Link 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.
IEA RS232 - V.35. Cat 5 - RJ45
MAC SubLayer - LLC SubLayer

35. What is layer 6 of the OSI model?
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
Presentation layer.
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Asynchronous Transfer Mode

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

37. What does the acronym 'PPP' stand for?
Point to Point
48 bit address used to identify networking cards and appliances
Theoretical
Logicial Link Control

38. Frame Relay
Session layer.
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Provide a model to discribe how data moves from source device to destination device.
The hardware that implements the MAC.

39. What is the difference between the TCP and UDP protocols?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
48 bit address used to identify networking cards and appliances
Layer 1 Protocol having to do with serial communication
ISDN - Integrated Services Digital Network

40. What are considered the Data Flow layers?
Local Area Network
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.
The hardware that implements the MAC.

41. What are are the 'Sub Layers' of the 'Data Link' Layer?
When require to communicate between different vendors across the same serial link.
MAC SubLayer - LLC SubLayer
Open Source Interconnect
48 bit address used to identify networking cards and appliances

42. What does the acronym 'LAN' stand for?
Local Area Network
Data Link layer.
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
48 Bits

43. What is the 'LLC Layer' responsible 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.
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
Provide a model to discribe how data moves from source device to destination device.
Presentation layer.

44. What does the acronym 'ATM' stand for?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Layer 1 Protocol having to do with serial communication
Asynchronous Transfer Mode

45. When would the PPP be used?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Open Source Interconnect
Logicial Link Control
When require to communicate between different vendors across the same serial link.

46. How does the third OSI model layer relate to administering routers?
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
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Data Link layer.

47. What are the advantages of the OSI model?
ISDN - Integrated Services Digital Network
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
The hardware that implements the MAC.
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

48. What is layer 7 of the OSI model?
Logicial Link Control
When require to communicate between different vendors across the same serial link.
Physical Layer
Application layer.

49. What is the 'medium access controller'?
When require to communicate between different vendors across the same serial link.
ISDN - Integrated Services Digital Network
The hardware that implements the MAC.
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology

50. What is layer 4 of the OSI model?
Physical Layer
Transport layer.
Physical 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