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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 some examples of 'LAN' side Datalink Layer Protocols and Standards?
Data Flow layers.
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
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
High-Level Data Link Control

2. What does the acronym 'LAN' 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
Session layer.
Local Area Network
Theoretical

3. What is the 'LLC Layer' responsible for?
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Transport layer.
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

4. How bits are in a MAC address?
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.
Asynchronous Transfer Mode
48 Bits
Media Access Control

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

6. What are the advantages of the OSI model?
Open Source Interconnect
Session layer.
Physical layer.
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

7. Where does troublingshooting alway start?
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
48 bit address used to identify networking cards and appliances
Transport layer.

8. Which OSI model layer is concerned with MAC addresses?
Hardware address - Ethernet address - BIA - Burned in Address
48 bit address used to identify networking cards and appliances
Layer 1 Protocol having to do with serial communication
Layer 2 - The Data Link layer.

9. What does the acronym 'PPPoA' stand for?
Presentation layer.
International Standards Organization
Physical layer.
Point-to-Point Protocol over ATM

10. What is the EIA/TIA 232 protocol concerned with?
Layer 1 Protocol having to do with serial communication
48 bit address used to identify networking cards and appliances
Local Area Network
Asynchronous Transfer Mode

11. What is the 'medium access controller'?
Physical Layer
Provide a model to discribe how data moves from source device to destination device.
The hardware that implements the MAC.
High-Level Data Link Control

12. What are are the 'Sub Layers' of the 'Data Link' Layer?
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Physical - Data Link. Network - Transport
Session layer.
MAC SubLayer - LLC SubLayer

13. What does the acronym 'ISO' stand for?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
International Standards Organization
Session layer.

14. What is layer 6 of the OSI model?
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Logicial Link Control
Presentation layer.
Local Area Network

15. What is layer 2 of the OSI model?
Data Link layer.
Point-to-Point Protocol over ATM
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
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

16. What does the acronym 'ATM' stand for?
48 bit address used to identify networking cards and appliances
Cables - Pins - Electrical Signals
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Asynchronous Transfer Mode

17. How does the third OSI model layer relate to administering routers?
Presentation layer.
When require to communicate between different vendors across the same serial link.
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
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

18. What are considered the Data Flow layers?
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Physical - Data Link. Network - Transport
Physical layer.

19. 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)
Wide Area Network
IEA RS232 - V.35. Cat 5 - RJ45
Layer 2 - The Data Link layer.

20. 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
Local Area Network
Layer 2 - The 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

21. What does the acronym default 'HDLC' protocol stand for?
Session layer.
Seven
Logicial Link Control
High Level Data Link Control

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

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23. What does the acronym 'LLC' stand for?
International Standards Organization
Network layer.
Logicial Link Control
The hardware that implements the MAC.

24. What are other names for MAC address?
Layer 1 Protocol having to do with serial communication
Hardware address - Ethernet address - BIA - Burned in Address
48 bit address used to identify networking cards and appliances
IEA RS232 - V.35. Cat 5 - RJ45

25. OSI layers are...
Cables - Pins - Electrical Signals
Seven
Theoretical
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

26. What does the acronym 'ISDN' stand for?
Session layer.
ISDN - Integrated Services Digital Network
When require to communicate between different vendors across the same serial link.
The hardware that implements the MAC.

27. 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)
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.
Network layer.
Logicial Link Control

28. What is the difference between the TCP and UDP protocols?
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.
Data Flow layers.
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.

29. What protocols correspond to the Presentation and Session layers?
Provide a model to discribe how data moves from source device to destination device.
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
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

30. What does the acronym 'MAC' stand for?
Point-to-Point Protocol over ATM
IEA RS232 - V.35. Cat 5 - RJ45
Media Access Control
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

31. What are the first 4 layers of the OSI model called?
Transport layer.
High Level Data Link Control
Data Flow layers.
Open Source Interconnect

32. When would the PPP be used?
ISDN - Integrated Services Digital Network
48 Bits
When require to communicate between different vendors across the same serial link.
Physical layer.

33. What is the purpose of the OSI Model?
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
Provide a model to discribe how data moves from source device to destination device.
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.

34. How many Layers in the OSI Model?
IEA RS232 - V.35. Cat 5 - RJ45
Data Flow layers.
Seven
Local Area Network

35. What is the MAC address?
The hardware that implements the MAC.
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)
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology

36. What is layer 7 of the OSI model?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Media Access Control
48 Bits
Application layer.

37. What does the acronym 'OSI' stand for?
48 Bits
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
Open Source Interconnect
Media Access Control

38. What does the acronym 'WAN' 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
Cables - Pins - Electrical Signals
Local Area Network

39. What is layer 4 of the OSI model?
Transport layer.
Data Flow layers.
Physical layer.
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM

40. Frame Relay
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.
Cables - Pins - Electrical Signals
Transport layer.
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology

41. In an OSI context What is considered 'media'?
Asynchronous Transfer Mode
Cables - Pins - Electrical Signals
Wide Area Network
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM

42. What is layer 1 of the OSI model?
Physical layer.
IEA RS232 - V.35. Cat 5 - RJ45
The hardware that implements the MAC.
When require to communicate between different vendors across the same serial link.

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
Wide Area 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.
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM

44. What is the OSI model and why is it important in understanding networking?
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.
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
Data Flow layers.

45. 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
Physical - Data Link. Network - Transport
Seven
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

46. What is layer 5 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
Logicial 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
Session layer.

47. What is layer 3 of the OSI model?
Network layer.
When require to communicate between different vendors across the same serial link.
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.
Local Area Network

48. 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.
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
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

49. What does the acronym 'HDLC' stand for?
IEA RS232 - V.35. Cat 5 - RJ45
High-Level Data Link Control
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.

50. What does the acronym 'PPP' stand for?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Point to Point
Theoretical
High Level Data Link Control