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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 'Data Link Layer' responsible for?

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2. What is layer 3 of the OSI model?
Provide a model to discribe how data moves from source device to destination device.
Data Flow layers.
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Network layer.

3. What is the MAC address?
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
48 bit address used to identify networking cards and appliances
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
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

4. What does the acronym 'LAN' stand for?
Seven
Wide Area Network
Local Area Network
Open Source Interconnect

5. What is the 'MAC Layer' responsible for?
Physical Layer
Presentation 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
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

6. What does the acronym 'MAC' stand 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.
Layer 2 - The Data Link layer.
Media Access Control
Transport layer.

7. What are are the 'Sub Layers' of the 'Data Link' Layer?
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
Physical Layer
MAC SubLayer - LLC SubLayer

8. What does the acronym 'WAN' stand for?
Wide Area Network
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Media Access Control
Cables - Pins - Electrical Signals

9. 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)
Logicial Link Control
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

10. What is the purpose of the OSI Model?
Provide a model to discribe how data moves from source device to destination device.
Layer 2 - The Data Link layer.
High-Level Data 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.

11. What are some Physical Layer Protocols and Standards?
Wide Area Network
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
Provide a model to discribe how data moves from source device to destination device.

12. What are the first 4 layers of the OSI model called?
Theoretical
Data Flow layers.
48 Bits
Seven

13. What is the Mnemonic phrase for remembering OSI layers ordered 1 to 7?
48 bit address used to identify networking cards and appliances
Theoretical
Point to Point
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

14. What is layer 6 of the OSI model?
Physical - Data Link. Network - Transport
Local Area Network
Physical Layer
Presentation layer.

15. What is the Physical Layer responsible for?

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16. What does the acronym 'LLC' stand for?
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Wide Area Network
Logicial Link Control
IEA RS232 - V.35. Cat 5 - RJ45

17. How many Layers in the OSI Model?
Presentation 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
Seven
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

18. What are some examples of 'LAN' side Datalink Layer Protocols and Standards?
Cables - Pins - Electrical Signals
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
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

19. OSI layers are...
Open Source Interconnect
Theoretical
Provide a model to discribe how data moves from source device to destination device.
Local Area Network

20. What is ATM?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
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
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.

21. How bits are in a MAC address?
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
48 Bits
Cables - Pins - Electrical Signals
Local Area Network

22. What does the acronym default 'HDLC' protocol stand for?
High Level Data Link Control
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Logicial Link Control
IEA RS232 - V.35. Cat 5 - RJ45

23. What does the acronym 'OSI' stand for?
High-Level Data Link Control
Network layer.
Local Area Network
Open Source Interconnect

24. What is layer 5 of the OSI model?
Session layer.
Hardware address - Ethernet address - BIA - Burned in 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
Media Access Control

25. Frame Relay
Application 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
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology

26. Which OSI model layer is concerned with MAC addresses?
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
48 bit address used to identify networking cards and appliances
Layer 2 - The Data Link layer.
Hardware address - Ethernet address - BIA - Burned in Address

27. In an OSI context What is considered 'media'?
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
Cables - Pins - Electrical Signals
Hardware address - Ethernet address - BIA - Burned in Address
Theoretical

28. How does the third OSI model layer relate to administering routers?
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
High-Level Data Link Control
Application layer.

29. What are the advantages of the OSI model?
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.
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Layer 2 - The Data Link layer.

30. What is HDLC?
Network layer.
48 Bits
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

31. What are considered the Data Flow layers?
Point to Point
High-Level Data Link Control
Physical - Data Link. Network - Transport
Media Access Control

32. What is the EIA/TIA 232 protocol concerned with?
Transport layer.
Cables - Pins - Electrical Signals
Layer 1 Protocol having to do with serial communication
Application layer.

33. When would the PPP be used?
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
Physical layer.
Transport layer.

34. What is the 'LLC Layer' responsible for?
ISDN - Integrated Services Digital Network
High Level Data Link Control
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
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

35. What does the acronym 'HDLC' stand for?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
High-Level Data Link Control
Physical layer.

36. What does the acronym 'ISO' stand for?
International Standards Organization
48 Bits
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Session layer.

37. What is layer 4 of the OSI model?
48 bit address used to identify networking cards and appliances
Logicial Link Control
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Transport layer.

38. What is layer 1 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
Layer 2 - The Data Link layer.
Physical layer.
Transport layer.

39. What is the OSI model and why is it important in understanding networking?
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
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
Asynchronous Transfer Mode

40. What is the 'medium access controller'?
Asynchronous Transfer Mode
The hardware that implements the MAC.
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Cables - Pins - Electrical Signals

41. What does the acronym 'PPP' stand for?
Point to Point
Layer 2 - The Data Link layer.
IEA RS232 - V.35. Cat 5 - RJ45
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology

42. What does the acronym 'ATM' stand for?
Asynchronous Transfer Mode
Logicial Link Control
Open Source Interconnect
International Standards Organization

43. What are some examples of 'WAN' side 'Encapsulation' type Datalink Layer Protocols and Standards?
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
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Layer 2 - The Data Link layer.
Cables - Pins - Electrical Signals

44. What is layer 7 of the OSI model?
Cables - Pins - Electrical Signals
Application layer.
MAC SubLayer - LLC SubLayer
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 difference between the TCP and UDP protocols?
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.
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Data Link layer.

46. What is layer 2 of the OSI model?
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Data Link layer.
Point to Point
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.

47. What does the acronym 'ISDN' stand for?
ISDN - Integrated Services Digital Network
Asynchronous Transfer Mode
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

48. 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
Layer 1 Protocol having to do with serial communication
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.
Media Access Control

49. What does the acronym 'PPPoA' stand for?
Point-to-Point Protocol over ATM
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.
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 hardware that implements the MAC.

50. What are other names for MAC address?
Hardware address - Ethernet address - BIA - Burned in Address
ISDN - Integrated Services Digital Network
When require to communicate between different vendors across the same serial link.
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)