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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 are the 'Sub Layers' of the 'Data Link' Layer?
Physical - Data Link. Network - Transport
MAC SubLayer - LLC SubLayer
Session layer.
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

2. What is layer 4 of the OSI model?
International Standards Organization
Data Link layer.
Physical Layer
Transport layer.

3. Where does troublingshooting alway start?
IEA RS232 - V.35. Cat 5 - RJ45
Provide a model to discribe how data moves from source device to destination device.
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Physical Layer

4. What does the acronym 'PPPoA' stand for?
Provide a model to discribe how data moves from source device to destination device.
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
Point-to-Point Protocol over ATM

5. What is the MAC address?
Transport layer.
Local Area Network
48 bit address used to identify networking cards and appliances
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology

6. What are the advantages of the OSI model?
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Cables - Pins - Electrical Signals
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.

7. What is the 'MAC Layer' responsible for?
Application 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
ISDN - Integrated Services Digital Network

8. What is the Physical Layer responsible for?

9. What is the OSI model and why is it important in understanding networking?
Transport 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
48 Bits
Media Access Control

10. What are other names for MAC address?
Physical layer.
Data Flow layers.
Hardware address - Ethernet address - BIA - Burned in Address
Transport layer.

11. What does the acronym 'MAC' stand for?
MAC SubLayer - LLC SubLayer
Media Access Control
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
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

12. OSI layers are...
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Theoretical
MAC SubLayer - LLC SubLayer
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)

13. What are considered the Data Flow layers?
High-Level Data Link Control
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
ISDN - Integrated Services Digital Network
Physical - Data Link. Network - Transport

14. What is layer 3 of the OSI model?
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
Physical - Data Link. Network - Transport
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination

15. How bits are in a MAC address?
Point-to-Point Protocol over ATM
Data Flow layers.
Local Area Network
48 Bits

16. What is the Mnemonic phrase for remembering OSI layers ordered 1 to 7?
When require to communicate between different vendors across the same serial link.
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
The hardware that implements the MAC.

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

18. What does the acronym 'ISDN' stand for?
Cables - Pins - Electrical Signals
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
ISDN - Integrated Services Digital Network

19. Frame Relay
48 bit address used to identify networking cards and appliances
Presentation layer.
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
IEA RS232 - V.35. Cat 5 - RJ45

20. What is the 'medium access controller'?
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
High Level Data Link Control
The hardware that implements the MAC.
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

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

22. 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
MAC SubLayer - LLC SubLayer
Open Source Interconnect
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.

23. What is layer 5 of the OSI model?
Session layer.
Point to Point
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination

24. What protocols correspond to the Presentation and Session 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
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
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
High Level Data Link Control

25. What is the EIA/TIA 232 protocol concerned with?
ISDN - Integrated Services Digital Network
Physical Layer
High Level Data Link Control
Layer 1 Protocol having to do with serial communication

26. Which OSI model layer is concerned with MAC addresses?
Asynchronous Transfer Mode
Layer 2 - The Data Link 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

27. What does the acronym 'ATM' stand for?
Asynchronous Transfer Mode
Wide Area Network
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Physical Layer

28. What is the purpose of the OSI Model?
Network layer.
IEA RS232 - V.35. Cat 5 - RJ45
Provide a model to discribe how data moves from source device to destination device.
Logicial Link Control

29. What is the difference between the TCP and UDP protocols?
Physical - Data Link. Network - Transport
Logicial Link Control
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
High-Level Data Link Control

30. What does the acronym 'ISO' stand for?
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
The hardware that implements the MAC.
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
International Standards Organization

31. What does the acronym 'HDLC' stand for?
Seven
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
High-Level Data Link Control
Network layer.

32. What is HDLC?
MAC SubLayer - LLC SubLayer
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.
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)

33. What does the acronym default 'HDLC' protocol 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
Physical Layer
High Level Data Link Control
Wide Area Network

34. What are some Physical Layer Protocols and Standards?
Wide Area Network
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
IEA RS232 - V.35. Cat 5 - RJ45

35. What are the first 4 layers of the OSI model called?
Layer 2 - The Data Link 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
Hardware address - Ethernet address - BIA - Burned in Address
Data Flow layers.

36. What is the 'LLC Layer' responsible for?
Data Flow layers.
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
Presentation layer.
Layer 1 Protocol having to do with serial communication

37. 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)
Point to Point
Layer 1 Protocol having to do with serial communication
IEA RS232 - V.35. Cat 5 - RJ45

38. What does the acronym 'WAN' stand for?
Wide Area Network
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
48 bit address used to identify networking cards and appliances
Open Source Interconnect

39. What is ATM?
Point to Point
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
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.

40. What does the acronym 'LLC' stand for?
Physical - Data Link. Network - Transport
Logicial Link Control
When require to communicate between different vendors across the same serial link.
Network layer.

41. What is layer 2 of the OSI model?
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.
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Data Link layer.

42. How many Layers in the OSI Model?
When require to communicate between different vendors across the same serial link.
Data Flow layers.
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Seven

43. What is layer 6 of the OSI model?
Transport layer.
Presentation layer.
IEA RS232 - V.35. Cat 5 - RJ45
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

44. What is layer 1 of the OSI model?
Logicial Link Control
Physical 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
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

45. What does the acronym 'OSI' stand for?
Open Source Interconnect
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
Application layer.
Layer 2 - The Data Link layer.

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

47. What is layer 7 of the OSI model?
Application 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.
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

48. What does the acronym 'LAN' stand for?
Local Area Network
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Network 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.

49. What are some examples of 'LAN' side 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
MAC SubLayer - LLC SubLayer
48 Bits
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

50. What does the acronym 'PPP' stand for?
Point to Point
Local Area Network
Theoretical
Wide Area Network