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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 are other names for MAC address?
Provide a model to discribe how data moves from source device to destination device.
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
Hardware address - Ethernet address - BIA - Burned in Address

2. What does the acronym 'WAN' stand for?
Layer 2 - The Data Link layer.
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
IEA RS232 - V.35. Cat 5 - RJ45
Wide Area Network

3. What does the acronym 'HDLC' stand for?
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
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

4. What is layer 4 of the OSI model?
Physical - Data Link. Network - Transport
Data Link layer.
Point to Point
Transport layer.

5. What is the purpose of the OSI Model?
Physical layer.
Provide a model to discribe how data moves from source device to destination device.
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
When require to communicate between different vendors across the same serial link.

6. What does the acronym default 'HDLC' protocol stand for?
Layer 1 Protocol having to do with serial communication
High Level Data Link Control
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)

7. Which OSI model layer is concerned with MAC addresses?
Hardware address - Ethernet address - BIA - Burned in Address
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
High Level Data Link Control
Layer 2 - The Data Link layer.

8. What is the Mnemonic phrase for remembering OSI layers ordered 1 to 7?
MAC SubLayer - LLC SubLayer
Theoretical
High Level Data Link Control
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

9. What does the acronym 'ISDN' stand for?
IEA RS232 - V.35. Cat 5 - RJ45
Point-to-Point Protocol over ATM
ISDN - Integrated Services Digital Network
Layer 1 Protocol having to do with serial communication

10. What is the MAC address?
48 bit address used to identify networking cards and appliances
Asynchronous Transfer Mode
MAC SubLayer - LLC SubLayer
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)

11. What is layer 7 of the OSI model?
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
The hardware that implements the MAC.
Application layer.
Transport layer.

12. What is the EIA/TIA 232 protocol concerned with?
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
Layer 1 Protocol having to do with serial communication
Application layer.
Layer 2 - The Data Link layer.

13. What is layer 3 of the OSI model?
Network layer.
Open Source Interconnect
Application layer.
48 bit address used to identify networking cards and appliances

14. What does the acronym 'MAC' stand for?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Physical Layer
Media Access Control
Presentation layer.

15. Where does troublingshooting alway start?
Network layer.
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Point-to-Point Protocol over ATM
Physical Layer

16. What does the acronym 'LLC' stand for?
Theoretical
Logicial Link Control
Data Flow layers.
Application layer.

17. What does the acronym 'PPP' stand for?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Local Area Network
Point to Point
Data Flow layers.

18. What does the acronym 'LAN' stand for?
Local Area Network
When require to communicate between different vendors across the same serial link.
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Theoretical

19. OSI layers are...
Theoretical
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Open Source Interconnect
48 bit address used to identify networking cards and appliances

20. What are are the 'Sub Layers' of the 'Data Link' Layer?
Asynchronous Transfer Mode
MAC SubLayer - LLC SubLayer
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Theoretical

21. What does the acronym 'PPPoA' 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.
IEA RS232 - V.35. Cat 5 - RJ45
Point-to-Point Protocol over ATM
Theoretical

22. What is layer 2 of the OSI model?
Data Flow layers.
MAC SubLayer - LLC SubLayer
Data Link layer.
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)

23. What does the acronym 'ATM' 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.
Provide a model to discribe how data moves from source device to destination device.
Asynchronous Transfer Mode
Media Access Control

24. How many Layers in the OSI Model?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
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
Network layer.

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

26. 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
International Standards Organization
Application layer.
High Level Data Link Control

27. When would the PPP be used?
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Point-to-Point Protocol over ATM
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

28. What are considered the Data Flow layers?
The hardware that implements the MAC.
Physical - Data Link. Network - Transport
Hardware address - Ethernet address - BIA - Burned in Address
Presentation layer.

29. How bits are in a MAC address?
Seven
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
IEA RS232 - V.35. Cat 5 - RJ45
48 Bits

30. What are some examples of 'LAN' side Datalink Layer Protocols and Standards?
Network layer.
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Media Access Control
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.

31. In an OSI context What is considered 'media'?
Network layer.
Cables - Pins - Electrical Signals
Open Source Interconnect
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

32. 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
Data Flow layers.
Layer 1 Protocol having to do with serial communication

33. What does the acronym 'OSI' stand for?
Open Source Interconnect
Local Area Network
Provide a model to discribe how data moves from source device to destination device.
48 Bits

34. What is layer 5 of the OSI model?
Data Link layer.
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
Session layer.

35. What is HDLC?
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
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.

36. What does the acronym 'ISO' stand for?
International Standards Organization
Data Flow layers.
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Layer 1 Protocol having to do with serial communication

37. What is layer 6 of the OSI model?
Presentation layer.
The hardware that implements the MAC.
Media Access Control
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

38. What are some examples of 'WAN' side 'Encapsulation' type Datalink Layer Protocols and Standards?
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Seven
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

39. What is the 'medium access controller'?
Hardware address - Ethernet address - BIA - Burned in Address
The hardware that implements the MAC.
International Standards Organization
Physical Layer

40. 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.
Layer 1 Protocol having to do with serial communication
Physical layer.
Asynchronous Transfer Mode

41. What is the Mnemonic phrase for remembering OSI layers ordered 7 to 1?
Wide Area Network
Asynchronous Transfer Mode
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Media Access Control

42. What is the difference between the TCP and UDP protocols?
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
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
Seven

43. What are the advantages 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.
IEA RS232 - V.35. Cat 5 - RJ45
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Asynchronous Transfer Mode

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

45. What is the 'MAC Layer' responsible 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
Open Source Interconnect
Cables - Pins - Electrical Signals
Provide a model to discribe how data moves from source device to destination device.

46. What protocols correspond to the Presentation and Session layers?
Application 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
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.
Open Source Interconnect

47. What is the Physical Layer responsible for?

48. What are some Physical Layer Protocols and Standards?
IEA RS232 - V.35. Cat 5 - RJ45
Hardware address - Ethernet address - BIA - Burned in Address
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Wide Area Network

49. What is the OSI model and why is it important in understanding networking?
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Seven
Data Flow layers.
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 are the first 4 layers of the OSI model called?
High Level Data Link Control
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
IEA RS232 - V.35. Cat 5 - RJ45
Data Flow layers.