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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 the 'MAC Layer' responsible for?
High Level Data Link Control
Theoretical
When require to communicate between different vendors across the same serial link.
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

2. What are considered the Data Flow layers?
Layer 1 Protocol having to do with serial communication
IEA RS232 - V.35. Cat 5 - RJ45
Hardware address - Ethernet address - BIA - Burned in Address
Physical - Data Link. Network - Transport

3. What is the Mnemonic phrase for remembering OSI layers ordered 1 to 7?
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)
Data Flow layers.
International Standards Organization

4. Which OSI model layer is concerned with MAC addresses?
Open Source Interconnect
Application layer.
Media Access Control
Layer 2 - The Data Link layer.

5. What is layer 4 of the OSI model?
International Standards Organization
48 bit address used to identify networking cards and appliances
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.

6. What is the 'medium access controller'?
The hardware that implements the MAC.
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.
Layer 1 Protocol having to do with serial communication
Point-to-Point Protocol over ATM

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

8. What does the acronym 'LLC' stand for?
Logicial Link Control
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.
MAC SubLayer - LLC SubLayer
IEA RS232 - V.35. Cat 5 - RJ45

9. What are some examples of 'WAN' side 'Encapsulation' type Datalink Layer Protocols and Standards?
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
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.
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

10. What is the purpose of the OSI Model?
Cables - Pins - Electrical Signals
Provide a model to discribe how data moves from source device to destination device.
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
The hardware that implements the MAC.

11. What does the acronym 'PPPoA' stand for?
Point-to-Point Protocol over ATM
International Standards Organization
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.
Open Source Interconnect

12. What is layer 7 of the OSI model?
Layer 1 Protocol having to do with serial communication
48 bit address used to identify networking cards and appliances
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 layer.

13. What are the first 4 layers of the OSI model called?
Theoretical
Data Flow layers.
48 bit address used to identify networking cards and appliances
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.

14. What is the MAC address?
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
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
48 bit address used to identify networking cards and appliances
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

15. What is the difference between the TCP and UDP protocols?
Open Source Interconnect
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.
Session layer.
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

16. What are are the 'Sub Layers' of the 'Data Link' 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.
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
MAC SubLayer - LLC SubLayer
ISDN - Integrated Services Digital Network

17. What is layer 3 of the OSI model?
IEA RS232 - V.35. Cat 5 - RJ45
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Open Source Interconnect
Network layer.

18. When would the PPP be used?
When require to communicate between different vendors across the same serial link.
Theoretical
Network layer.
Transport layer.

19. 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
Physical layer.
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Theoretical

20. What does the acronym 'OSI' stand for?
High-Level Data Link Control
Data Flow layers.
Open Source Interconnect
Layer 1 Protocol having to do with serial communication

21. What is ATM?
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
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.
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)

22. What does the acronym 'ISDN' stand for?
ISDN - Integrated Services Digital Network
MAC SubLayer - LLC SubLayer
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

23. What does the acronym 'PPP' stand for?
Point to Point
Seven
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
Layer 1 Protocol having to do with serial communication

24. What is layer 2 of the OSI model?
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
Data Link layer.
Theoretical

25. What does the acronym 'ISO' stand for?
Logicial Link Control
International Standards Organization
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

26. What is layer 5 of the OSI model?
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Wide Area Network
48 Bits
Session layer.

27. What is the 'LLC Layer' responsible for?
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
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
Point to Point

28. Where does troublingshooting alway start?
Physical Layer
Presentation layer.
Point-to-Point Protocol over ATM
Wide Area Network

29. What is the EIA/TIA 232 protocol concerned with?
Provide a model to discribe how data moves from source device to destination device.
Session 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
Layer 1 Protocol having to do with serial communication

30. OSI layers are...
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.
MAC SubLayer - LLC SubLayer
Theoretical
Physical layer.

31. What are some Physical Layer Protocols and Standards?
When require to communicate between different vendors across the same serial link.
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
International Standards Organization
IEA RS232 - V.35. Cat 5 - RJ45

32. What is the Physical Layer responsible for?

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33. What does the acronym 'MAC' 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
Application layer.
Media Access Control
The hardware that implements the MAC.

34. What does the acronym default 'HDLC' protocol stand for?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Logicial Link Control
High Level Data Link Control
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

35. What are some examples of 'LAN' side Datalink Layer Protocols and Standards?
Seven
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
High Level Data Link Control
Data Flow layers.

36. In an OSI context What is considered 'media'?
Data Flow layers.
Cables - Pins - Electrical Signals
Theoretical
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 is the Mnemonic phrase for remembering OSI layers ordered 7 to 1?
Layer 1 Protocol having to do with serial communication
Data Flow layers.
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)

38. What is HDLC?
Hardware address - Ethernet address - BIA - Burned in Address
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
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

39. How bits are in a MAC address?
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Presentation layer.
Session layer.
48 Bits

40. 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
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
48 Bits
High-Level Data Link Control

41. What does the acronym 'WAN' stand for?
Asynchronous Transfer Mode
Wide Area Network
48 bit address used to identify networking cards and appliances
Open Source Interconnect

42. What does the acronym 'LAN' stand for?
Open Source Interconnect
Application layer.
Media Access Control
Local Area Network

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

44. What protocols correspond to the Presentation and Session layers?
Data Flow layers.
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
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

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

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46. What does the acronym 'ATM' stand for?
Asynchronous Transfer Mode
Point-to-Point Protocol over ATM
Cables - Pins - Electrical Signals
International Standards Organization

47. What are the advantages of the OSI model?
International Standards Organization
48 Bits
High-Level Data Link Control
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

48. What is the OSI model and why is it important in understanding networking?
Asynchronous Transfer Mode
Layer 2 - The Data Link 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

49. What are other names for MAC address?
Hardware address - Ethernet address - BIA - Burned in Address
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Point-to-Point Protocol over ATM
Physical Layer

50. Frame Relay
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Data Flow layers.
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
IEA RS232 - V.35. Cat 5 - RJ45