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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 does the third OSI model layer relate to administering routers?
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
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Wide Area Network
Physical layer.

2. 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
Physical - Data Link. Network - Transport
The hardware that implements the MAC.
Application layer.

3. What is the 'LLC Layer' responsible for?
Application 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
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Local Area Network

4. When would the PPP be used?
Layer 1 Protocol having to do with serial communication
Physical - Data Link. Network - Transport
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
When require to communicate between different vendors across the same serial link.

5. What are the advantages of the OSI model?
Physical layer.
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Point-to-Point Protocol over ATM
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

6. What is layer 2 of the OSI model?
48 Bits
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Data Link layer.
Seven

7. What is the EIA/TIA 232 protocol concerned with?
Point-to-Point Protocol over ATM
Layer 2 - The Data Link layer.
Layer 1 Protocol having to do with serial communication
48 bit address used to identify networking cards and appliances

8. What is the Physical Layer responsible for?

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9. What does the acronym 'MAC' stand for?
Media Access Control
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
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.

10. What does the acronym 'ISDN' stand for?
Physical layer.
Data Flow layers.
ISDN - Integrated Services Digital Network
Layer 1 Protocol having to do with serial communication

11. What does the acronym 'LLC' stand for?
Point to Point
Logicial Link Control
Data Link layer.
Open Source Interconnect

12. 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.
MAC SubLayer - LLC SubLayer
Physical - Data Link. Network - Transport
Theoretical

13. What does the acronym 'HDLC' stand for?
High-Level Data Link Control
Logicial Link Control
Provide a model to discribe how data moves from source device to destination device.
Cables - Pins - Electrical Signals

14. What is the purpose of the OSI Model?
High Level Data Link Control
Provide a model to discribe how data moves from source device to destination device.
Point-to-Point Protocol over ATM
Presentation layer.

15. What are the first 4 layers of the OSI model called?
Logicial Link Control
48 Bits
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Data Flow layers.

16. What are some Physical Layer Protocols and Standards?
When require to communicate between different vendors across the same serial link.
Layer 1 Protocol having to do with serial communication
IEA RS232 - V.35. Cat 5 - RJ45
ISDN - Integrated Services Digital Network

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

18. Frame Relay
Provide a model to discribe how data moves from source device to destination device.
Cables - Pins - Electrical Signals
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Asynchronous Transfer Mode

19. What does the acronym 'LAN' stand for?
Point-to-Point Protocol over ATM
Local 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
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

20. What does the acronym 'PPP' stand for?
Wide Area Network
Provide a model to discribe how data moves from source device to destination device.
Point to Point
The hardware that implements the MAC.

21. What does the acronym 'WAN' stand for?
MAC SubLayer - LLC SubLayer
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Wide Area Network
Application layer.

22. In an OSI context What is considered 'media'?
Session layer.
Cables - Pins - Electrical Signals
Wide Area Network
Hardware address - Ethernet address - BIA - Burned in Address

23. What is layer 1 of the OSI model?
Physical layer.
High-Level Data Link Control
The hardware that implements the MAC.
Theoretical

24. What are other names for MAC address?
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
Hardware address - Ethernet address - BIA - Burned in Address
Physical - Data Link. Network - Transport

25. What is the MAC address?
48 bit address used to identify networking cards and appliances
48 Bits
Physical Layer
High-Level Data Link Control

26. What is the Mnemonic phrase for remembering OSI layers ordered 1 to 7?
Point-to-Point Protocol over ATM
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Data Flow layers.
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

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

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28. What are some examples of 'WAN' side 'Encapsulation' type Datalink Layer Protocols and Standards?
Seven
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
The hardware that implements the MAC.
Application layer.

29. What is layer 4 of the OSI model?
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
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.
Transport layer.

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

31. Where does troublingshooting alway start?
The hardware that implements the MAC.
Physical Layer
48 Bits
MAC SubLayer - LLC SubLayer

32. What does the acronym 'ISO' stand for?
International Standards Organization
Seven
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Physical Layer

33. What does the acronym 'PPPoA' stand for?
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
Point-to-Point Protocol over ATM
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination

34. What is layer 3 of the OSI model?
Physical - Data Link. Network - Transport
Network layer.
When require to communicate between different vendors across the same serial link.
International Standards Organization

35. What is layer 5 of the OSI model?
Session layer.
Hardware address - Ethernet address - BIA - Burned in Address
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination

36. What is the 'MAC Layer' responsible for?
Asynchronous Transfer Mode
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
Theoretical
Transport layer.

37. 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
When require to communicate between different vendors across the same serial link.
High Level Data Link Control
Layer 1 Protocol having to do with serial communication

38. What does the acronym 'OSI' stand for?
Open Source Interconnect
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Physical - Data Link. Network - Transport
Local Area Network

39. OSI layers are...
IEA RS232 - V.35. Cat 5 - RJ45
High Level Data Link Control
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
Theoretical

40. Which OSI model layer is concerned with MAC addresses?
Layer 2 - The Data Link layer.
Application layer.
Logicial Link Control
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

41. What are considered the Data Flow layers?
Layer 1 Protocol having to do with serial communication
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Local Area Network
Physical - Data Link. Network - Transport

42. What is the 'medium access controller'?
Physical layer.
ISDN - Integrated Services Digital Network
Session layer.
The hardware that implements the MAC.

43. What is the difference between the TCP and UDP protocols?
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.
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Provide a model to discribe how data moves from source device to destination device.

44. 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
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

45. What does the acronym 'ATM' 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
Asynchronous Transfer Mode
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.

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

47. What does the acronym default 'HDLC' protocol stand for?
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
High Level Data Link Control
Asynchronous Transfer Mode
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)

48. What is the Mnemonic phrase for remembering OSI layers ordered 7 to 1?
Media Access Control
Layer 1 Protocol having to do with serial communication
Transport layer.
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)

49. What is HDLC?
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
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
Media Access Control
When require to communicate between different vendors across the same serial link.

50. How bits are in a MAC address?
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
48 Bits
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Point to Point