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

2. When would the PPP be used?
When require to communicate between different vendors across the same serial link.
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.
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.

3. What is HDLC?
48 bit address used to identify networking cards and appliances
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Network 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

4. What is layer 5 of the OSI model?
Presentation layer.
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
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

5. How many Layers in the OSI Model?
Session layer.
Seven
Logicial Link Control
Wide Area Network

6. What are are the 'Sub Layers' of the 'Data Link' Layer?
ISDN - Integrated Services Digital Network
MAC SubLayer - LLC SubLayer
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Open Source Interconnect

7. What are some examples of 'LAN' side Datalink Layer Protocols and Standards?
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.
Physical Layer
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

8. What protocols correspond to the Presentation and Session layers?
IEA RS232 - V.35. Cat 5 - RJ45
ISDN - Integrated Services Digital 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
Hardware address - Ethernet address - BIA - Burned in Address

9. What is the MAC address?
48 bit address used to identify networking cards and appliances
Wide Area Network
Hardware address - Ethernet address - BIA - Burned in Address
The hardware that implements the MAC.

10. What does the acronym 'LAN' stand for?
Physical Layer
Media Access Control
Local Area Network
Wide Area Network

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

12. What are the advantages of the OSI model?
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
Hardware address - Ethernet address - BIA - Burned in Address
Local Area Network

13. How does the third OSI model layer relate to administering routers?
Layer 1 Protocol having to do with serial communication
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
Logicial Link Control
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination

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

15. What is layer 7 of the OSI model?
Presentation layer.
Application layer.
Local Area Network
When require to communicate between different vendors across the same serial link.

16. What is the 'MAC Layer' responsible for?
48 bit address used to identify networking cards and appliances
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 Protocol over ATM
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

17. What does the acronym 'OSI' stand for?
48 bit address used to identify networking cards and appliances
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.
Open Source Interconnect

18. What does the acronym 'LLC' 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
Transport layer.
Logicial Link Control
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination

19. What does the acronym 'ATM' 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
Asynchronous Transfer Mode
Physical Layer
Data Link layer.

20. What is layer 2 of the OSI model?
Point to Point
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
Data Link layer.

21. What are the first 4 layers of the OSI model called?
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Layer 2 - The Data Link layer.
Presentation layer.
Data Flow layers.

22. What is the purpose of the OSI Model?
Provide a model to discribe how data moves from source device to destination device.
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
MAC SubLayer - LLC SubLayer
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM

23. What does the acronym 'PPP' stand for?
Point to Point
Local Area Network
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

24. Where does troublingshooting alway start?
Cables - Pins - Electrical Signals
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Physical Layer

25. What does the acronym 'WAN' 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.
Transport layer.
Presentation layer.
Wide Area Network

26. OSI layers are...
High-Level Data Link Control
Data Flow layers.
Theoretical
Layer 1 Protocol having to do with serial communication

27. What is ATM?
When require to communicate between different vendors across the same serial link.
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 Flow layers.
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

28. What does the acronym 'MAC' stand for?
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Media Access Control
MAC SubLayer - LLC SubLayer
Hardware address - Ethernet address - BIA - Burned in Address

29. What does the acronym 'HDLC' stand for?
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
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
High-Level Data Link Control

30. 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
Seven
Point to Point
Logicial Link Control

31. Frame Relay
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Logicial Link Control
Cables - Pins - Electrical Signals

32. What is layer 4 of the OSI model?
Transport layer.
Application layer.
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

33. What are considered the Data Flow layers?
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.
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.
High Level Data Link Control
Physical - Data Link. Network - Transport

34. What is the 'medium access controller'?
Seven
The hardware that implements the MAC.
Local Area Network
International Standards Organization

35. What is the Mnemonic phrase for remembering OSI layers ordered 1 to 7?
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
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.
Point-to-Point Protocol over 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

36. What is layer 6 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
Transport layer.
Presentation layer.
Theoretical

37. What is the difference between the TCP and UDP protocols?
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'.
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
48 Bits

38. What are some Physical 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
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
IEA RS232 - V.35. Cat 5 - RJ45
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

39. What does the acronym 'PPPoA' 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
Point-to-Point Protocol over ATM
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

40. What is the Physical Layer responsible for?

41. What is layer 1 of the OSI model?
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
The hardware that implements the MAC.
Physical layer.

42. What does the acronym default 'HDLC' protocol stand for?
High Level Data Link Control
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)

43. What does the acronym 'ISO' stand for?
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.
Provide a model to discribe how data moves from source device to destination device.
48 bit address used to identify networking cards and appliances

44. How bits are in a MAC address?
Data Link layer.
MAC SubLayer - LLC SubLayer
Physical - Data Link. Network - Transport
48 Bits

45. Which OSI model layer is concerned with MAC addresses?
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Session layer.
Network layer.
Layer 2 - The Data Link layer.

46. What does the acronym 'ISDN' stand for?
Point-to-Point Protocol over ATM
ISDN - Integrated Services Digital Network
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
High-Level Data Link Control

47. 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.
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Presentation 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

48. What is the Mnemonic phrase for remembering OSI layers ordered 7 to 1?
Provide a model to discribe how data moves from source device to destination device.
Layer 2 - The Data Link layer.
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Network layer.

49. What is the EIA/TIA 232 protocol concerned with?
Physical - Data Link. Network - Transport
48 bit address used to identify networking cards and appliances
Layer 1 Protocol having to do with serial communication
Session layer.

50. In an OSI context What is considered 'media'?
Presentation layer.
Layer 2 - The Data Link layer.
Network layer.
Cables - Pins - Electrical Signals