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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 does the acronym 'WAN' stand for?
High Level Data Link Control
Wide Area Network
Physical layer.
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

2. What is the 'LLC Layer' responsible 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
Local Area 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
Open Source Interconnect

3. What does the acronym 'ISDN' stand for?
Layer 1 Protocol having to do with serial communication
ISDN - Integrated Services Digital Network
Presentation layer.
International Standards Organization

4. What is the MAC address?
Media Access Control
48 bit address used to identify networking cards and appliances
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Seven

5. What is the 'medium access controller'?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
When require to communicate between different vendors across the same serial link.
Wide Area Network
The hardware that implements the MAC.

6. What does the acronym 'HDLC' stand for?
Provide a model to discribe how data moves from source device to destination device.
High-Level Data Link Control
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
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

7. What is the OSI model and why is it important in understanding networking?
Transport layer.
MAC SubLayer - LLC SubLayer
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
Provide a model to discribe how data moves from source device to destination device.

8. What is layer 2 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.
Physical Layer
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Data Link layer.

9. 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
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.
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)

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

11. What does the acronym 'PPPoA' stand for?
Data Link layer.
Theoretical
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

12. What are some examples of 'LAN' side Datalink Layer Protocols and Standards?
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
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

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

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14. What does the acronym 'PPP' stand for?
Wide Area Network
Point to Point
Data Link layer.
Provide a model to discribe how data moves from source device to destination device.

15. What are the advantages of the OSI model?
Point-to-Point Protocol over ATM
Presentation layer.
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

16. What are considered the Data Flow layers?
Theoretical
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Hardware address - Ethernet address - BIA - Burned in Address
Physical - Data Link. Network - Transport

17. What is layer 1 of the OSI model?
Transport layer.
Data Link 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
Physical layer.

18. What is the 'MAC Layer' responsible 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
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
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
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

19. OSI layers are...
Wide Area Network
Theoretical
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Local Area Network

20. 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)
High Level Data Link Control
Seven
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

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

22. Where does troublingshooting alway start?
Physical Layer
Logicial Link Control
Seven
Layer 1 Protocol having to do with serial communication

23. What is HDLC?
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.
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
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

24. Frame Relay
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
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

25. What does the acronym 'MAC' stand for?
Application layer.
Seven
Media Access Control
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

26. What is the purpose of the OSI Model?
Hardware address - Ethernet address - BIA - Burned in Address
MAC SubLayer - LLC SubLayer
Provide a model to discribe how data moves from source device to destination device.
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

27. What does the acronym 'ATM' stand for?
Local Area Network
Asynchronous Transfer Mode
Theoretical
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)

28. What does the acronym 'ISO' stand for?
Physical layer.
International Standards Organization
MAC SubLayer - LLC SubLayer
Open Source Interconnect

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

30. What are some Physical Layer Protocols and Standards?
Point to Point
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
IEA RS232 - V.35. Cat 5 - RJ45

31. What is layer 3 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
Network layer.
IEA RS232 - V.35. Cat 5 - RJ45
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

32. What is the EIA/TIA 232 protocol concerned with?
When require to communicate between different vendors across the same serial link.
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
Logicial Link Control

33. What is the Mnemonic phrase for remembering OSI layers ordered 1 to 7?
Cables - Pins - Electrical Signals
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
Open Source Interconnect
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

34. What is layer 5 of the OSI model?
Session layer.
Physical - Data Link. Network - Transport
Asynchronous Transfer Mode
Network layer.

35. What does the acronym 'LAN' stand for?
Local Area Network
Provide a model to discribe how data moves from source device to destination device.
Session layer.
Open Source Interconnect

36. What is layer 7 of the OSI model?
IEA RS232 - V.35. Cat 5 - RJ45
48 Bits
Application layer.
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.

37. What are other names for MAC address?
Local Area Network
International Standards Organization
Hardware address - Ethernet address - BIA - Burned in Address
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

38. What is layer 6 of the OSI model?
Presentation layer.
Network layer.
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
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

39. When would the PPP be used?
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.
High-Level Data Link Control
When require to communicate between different vendors across the same serial link.
MAC SubLayer - LLC SubLayer

40. Which OSI model layer is concerned with MAC addresses?
Open Source Interconnect
Application layer.
Layer 1 Protocol having to do with serial communication
Layer 2 - The Data Link layer.

41. What does the acronym default 'HDLC' protocol stand for?
Data Link layer.
Presentation layer.
ISDN - Integrated Services Digital Network
High Level Data Link Control

42. How many Layers in the OSI Model?
High Level Data Link Control
Seven
Layer 1 Protocol having to do with serial communication
Physical Layer

43. In an OSI context What is considered 'media'?
Cables - Pins - Electrical Signals
ISDN - Integrated Services Digital Network
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.
IEA RS232 - V.35. Cat 5 - RJ45

44. What are some examples of 'WAN' side 'Encapsulation' type Datalink Layer Protocols and Standards?
Media Access Control
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
Cables - Pins - Electrical Signals

45. What are are the 'Sub Layers' of the 'Data Link' Layer?
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
Transport layer.
Data Flow layers.

46. What does the acronym 'OSI' stand for?
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Data Link layer.
Open Source Interconnect
Session layer.

47. What are the first 4 layers of the OSI model called?
High-Level Data Link Control
Data Flow layers.
MAC SubLayer - LLC SubLayer
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)

48. What is layer 4 of the OSI model?
48 bit address used to identify networking cards and appliances
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
Transport layer.
ISDN - Integrated Services Digital Network

49. What does the acronym 'LLC' stand for?
Logicial Link Control
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
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

50. What is the Physical Layer responsible for?

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