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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 'WAN' side 'Encapsulation' type Datalink Layer Protocols and Standards?
The hardware that implements the MAC.
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.
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

2. What are considered the Data Flow layers?
High Level Data Link Control
Physical - Data Link. Network - Transport
Provide a model to discribe how data moves from source device to destination device.
Session layer.

3. How bits are in a MAC address?
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
When require to communicate between different vendors across the same serial link.
48 Bits

4. What is the 'MAC Layer' responsible 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.
Application layer.
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

5. What is the difference between the TCP and UDP protocols?
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
48 Bits
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

6. In an OSI context What is considered 'media'?
Cables - Pins - Electrical Signals
Local Area Network
MAC SubLayer - LLC SubLayer
Presentation layer.

7. What is the Mnemonic phrase for remembering OSI layers ordered 7 to 1?
Point to Point
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
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

8. What is HDLC?
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
Logicial 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

9. 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
48 bit address used to identify networking cards and appliances
Physical Layer

10. What does the acronym 'ISO' stand for?
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
International Standards Organization
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Hardware address - Ethernet address - BIA - Burned in Address

11. What is the OSI model and why is it important in understanding networking?
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
Layer 2 - The Data Link layer.
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

12. What is layer 3 of the OSI model?
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Network layer.
Data Link layer.
Provide a model to discribe how data moves from source device to destination device.

13. What is layer 7 of the OSI model?
Layer 1 Protocol having to do with serial communication
Asynchronous Transfer Mode
Application layer.
ISDN - Integrated Services Digital Network

14. What does the acronym 'LLC' stand for?
Layer 2 - The Data Link layer.
Application layer.
International Standards Organization
Logicial Link Control

15. What does the acronym 'PPPoA' stand for?
Session layer.
Physical - Data Link. Network - Transport
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
Point-to-Point Protocol over ATM

16. What is layer 2 of the OSI model?
Data Link layer.
Asynchronous Transfer Mode
Local Area Network
Physical Layer

17. What does the acronym 'HDLC' stand for?
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
High-Level Data Link Control
Cables - Pins - Electrical Signals
ISDN - Integrated Services Digital Network

18. When would the PPP be used?
Data Link layer.
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
High-Level Data Link Control

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

20. What is the Physical Layer responsible for?

21. What is the 'LLC Layer' responsible 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.
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
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
ISDN - Integrated Services Digital Network

22. What are are the 'Sub Layers' of the 'Data Link' Layer?
48 Bits
Wide Area Network
MAC SubLayer - LLC SubLayer
Layer 1 Protocol having to do with serial communication

23. What does the acronym 'ATM' stand for?
Asynchronous Transfer Mode
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

24. What is layer 4 of the OSI model?
The hardware that implements the MAC.
Transport layer.
Physical layer.
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology

25. Where does troublingshooting alway start?
High-Level Data Link Control
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
Physical Layer

26. What does the acronym 'PPP' stand for?
Session layer.
Point to Point
Physical - Data Link. Network - Transport
ISDN - Integrated Services Digital Network

27. What are other names for MAC address?
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Layer 2 - The Data Link layer.
Hardware address - Ethernet address - BIA - Burned in Address

28. Which OSI model layer is concerned with MAC addresses?
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
Point to Point
Layer 2 - The Data Link layer.

29. Frame Relay
MAC SubLayer - LLC SubLayer
Open Source Interconnect
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Hardware address - Ethernet address - BIA - Burned in Address

30. What is the EIA/TIA 232 protocol concerned with?
Media Access Control
Layer 1 Protocol having to do with serial communication
ISDN - Integrated Services Digital Network
Seven

31. What is the purpose of the OSI Model?
48 Bits
Session layer.
Provide a model to discribe how data moves from source device to destination device.
High-Level Data Link Control

32. What is layer 5 of the OSI model?
The hardware that implements the MAC.
Session layer.
Application layer.
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.

33. What is layer 6 of the OSI model?
Presentation layer.
Point to Point
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

34. 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.
Transport layer.
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

35. 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
Layer 2 - The Data Link layer.
High-Level Data Link Control

36. How does the third OSI model layer relate to administering routers?
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
When require to communicate between different vendors across the same serial link.
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

37. OSI layers are...
Provide a model to discribe how data moves from source device to destination device.
Theoretical
Physical layer.
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology

38. What are some examples of 'LAN' side Datalink Layer Protocols and Standards?
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Physical - Data Link. Network - Transport
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Point-to-Point Protocol over ATM

39. What does the acronym 'LAN' stand for?
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Local Area Network
Physical Layer
High Level Data Link Control

40. What does the acronym 'MAC' stand for?
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
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)

41. 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
Point to Point
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

42. What is the 'medium access controller'?
The hardware that implements the MAC.
Seven
MAC SubLayer - LLC SubLayer
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

43. What does the acronym default 'HDLC' protocol stand for?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
High Level Data Link Control
Transport layer.
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

44. What does the acronym 'WAN' stand for?
Data Flow layers.
Layer 1 Protocol having to do with serial communication
Wide Area Network
48 bit address used to identify networking cards and appliances

45. What is layer 1 of the OSI model?
Provide a model to discribe how data moves from source device to destination device.
Physical layer.
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
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.

46. What does the acronym 'ISDN' stand for?
Physical Layer
Physical - Data Link. Network - Transport
ISDN - Integrated Services Digital Network
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

47. What is the MAC address?
Cables - Pins - Electrical Signals
48 bit address used to identify networking cards and appliances
Application layer.
Logicial Link Control

48. What are the first 4 layers of the OSI model called?
IEA RS232 - V.35. Cat 5 - RJ45
Data Flow layers.
Layer 1 Protocol having to do with serial communication
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM

49. How many Layers in the OSI Model?
Transport layer.
International Standards Organization
High Level Data Link Control
Seven

50. What are the advantages of the OSI model?
ISDN - Integrated Services Digital Network
Open Source Interconnect
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