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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 is layer 4 of the OSI model?
Hardware address - Ethernet address - BIA - Burned in Address
When require to communicate between different vendors across the same serial link.
Data Flow layers.
Transport layer.

2. What is the OSI model and why is it important in understanding networking?
High Level Data Link Control
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
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

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

4. What is layer 5 of the OSI model?
Data Link layer.
Physical - Data Link. Network - Transport
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
Session layer.

5. 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)
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
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.
Logicial Link Control

6. What is the Mnemonic phrase for remembering OSI layers ordered 1 to 7?
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.
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Layer 1 Protocol having to do with serial communication

7. What are the first 4 layers of the OSI model called?
Provide a model to discribe how data moves from source device to destination device.
Data Flow layers.
Physical Layer
Media Access Control

8. In an OSI context What is considered 'media'?
Theoretical
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
Session layer.

9. What protocols correspond to the Presentation and Session layers?
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
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
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

10. What are some Physical Layer Protocols and Standards?
IEA RS232 - V.35. Cat 5 - RJ45
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
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM

11. What does the acronym 'ISDN' stand for?
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
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
ISDN - Integrated Services Digital Network
Open Source Interconnect

12. When would the PPP be used?
Network layer.
When require to communicate between different vendors across the same serial link.
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Asynchronous Transfer Mode

13. What is the Physical Layer responsible for?

14. What is layer 6 of the OSI model?
MAC SubLayer - LLC SubLayer
Seven
Presentation layer.
When require to communicate between different vendors across the same serial link.

15. What is HDLC?
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
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
IEA RS232 - V.35. Cat 5 - RJ45

16. What is the EIA/TIA 232 protocol concerned with?
48 bit address used to identify networking cards and appliances
Physical Layer
Layer 1 Protocol having to do with serial communication
When require to communicate between different vendors across the same serial link.

17. How bits are in a MAC address?
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
Theoretical
48 Bits

18. Frame Relay
High-Level Data Link Control
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
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

19. What are considered the Data Flow layers?
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
Physical - Data Link. Network - Transport
Layer 2 - The Data Link layer.

20. What is the 'medium access controller'?
Open Source Interconnect
Physical - Data Link. Network - Transport
Data Flow layers.
The hardware that implements the MAC.

21. What does the acronym 'MAC' stand for?
Open Source Interconnect
Theoretical
Media Access Control
The hardware that implements the MAC.

22. What is layer 3 of the OSI model?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Network 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
Transport layer.

23. What does the acronym 'PPP' stand for?
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
Application layer.
Layer 2 - The Data Link layer.
Point to Point

24. What does the acronym 'LAN' stand for?
Local Area Network
Layer 1 Protocol having to do with serial communication
Transport layer.
Open Source Interconnect

25. What is the purpose of the OSI Model?
Logicial Link Control
Media Access Control
Provide a model to discribe how data moves from source device to destination device.
Hardware address - Ethernet address - BIA - Burned in Address

26. 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.
MAC SubLayer - LLC SubLayer
48 bit address used to identify networking cards and appliances
High-Level Data Link Control

27. What is the difference between the TCP and UDP protocols?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Network layer.
When require to communicate between different vendors across the same serial link.
Data Flow layers.

28. What does the acronym 'ISO' stand for?
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
The hardware that implements the MAC.
Local Area Network
International Standards Organization

29. What does the acronym 'HDLC' stand for?
High-Level Data Link Control
Hardware address - Ethernet address - BIA - Burned in Address
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
48 bit address used to identify networking cards and appliances

30. 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
Point to Point
Cables - Pins - Electrical Signals

31. Which OSI model layer is concerned with MAC addresses?
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Layer 2 - The Data Link layer.
Cables - Pins - Electrical Signals
Data Link layer.

32. What is layer 1 of the OSI model?
Open Source Interconnect
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
Physical layer.

33. OSI layers are...
When require to communicate between different vendors across the same serial link.
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
Hardware address - Ethernet address - BIA - Burned in Address
Theoretical

34. What is the MAC address?
48 bit address used to identify networking cards and appliances
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.
Theoretical

35. What does the acronym 'PPPoA' stand for?
When require to communicate between different vendors across the same serial link.
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 Protocol over ATM
Media Access Control

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

37. What does the acronym 'ATM' stand for?
Asynchronous Transfer Mode
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Media Access Control
Data Flow layers.

38. 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
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
Cables - Pins - Electrical Signals

39. What does the acronym 'LLC' stand for?
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
ISDN - Integrated Services Digital 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
Logicial Link Control

40. What does the acronym 'OSI' stand for?
High Level Data Link Control
Data Link layer.
Open Source Interconnect
IEA RS232 - V.35. Cat 5 - RJ45

41. What is the 'LLC Layer' responsible for?
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
Open Source Interconnect
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

42. 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.
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Presentation layer.
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

43. How many Layers in 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
Seven
Session layer.
Data Link layer.

44. What does the acronym default 'HDLC' protocol stand for?
Logicial Link Control
High Level Data Link Control
Hardware address - Ethernet address - BIA - Burned in Address
MAC SubLayer - LLC SubLayer

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

46. What is layer 7 of the OSI model?
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Layer 1 Protocol having to do with serial communication
Application layer.

47. What is layer 2 of the OSI model?
Data Link 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
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Provide a model to discribe how data moves from source device to destination device.

48. Where does troublingshooting alway start?
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.
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Physical Layer
Physical - Data Link. Network - Transport

49. What are other names for MAC address?
Layer 1 Protocol having to do with serial communication
When require to communicate between different vendors across the same serial link.
Hardware address - Ethernet address - BIA - Burned in Address
Network layer.

50. What are are the 'Sub Layers' of the 'Data Link' Layer?
Provide a model to discribe how data moves from source device to destination device.
MAC SubLayer - LLC SubLayer
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
Application layer.