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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?
Presentation layer.
MAC SubLayer - LLC SubLayer
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
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM

2. What is layer 4 of the OSI model?
Transport 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
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

3. 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.
Data Link layer.
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Asynchronous Transfer Mode

4. What is the MAC address?
Hardware address - Ethernet address - BIA - Burned in Address
Application layer.
Wide Area Network
48 bit address used to identify networking cards and appliances

5. What does the acronym 'PPPoA' stand for?
High Level Data Link Control
Theoretical
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Point-to-Point Protocol over ATM

6. How bits are in a MAC address?
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
High Level Data Link Control
48 Bits

7. How does the third OSI model layer relate to administering routers?
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Data Link layer.
Media Access Control
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)

8. What is ATM?
Data Flow layers.
The hardware that implements the MAC.
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - 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.

9. 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 Protocol over ATM
Application layer.
ISDN - Integrated Services Digital Network

10. What does the acronym 'LAN' stand for?
High Level Data Link Control
International Standards Organization
Local Area Network
Media Access Control

11. What are considered the Data Flow layers?
Asynchronous Transfer Mode
Physical - Data Link. Network - Transport
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Theoretical

12. What is layer 3 of the OSI model?
Provide a model to discribe how data moves from source device to destination device.
Network layer.
Layer 2 - The Data Link layer.
The hardware that implements the MAC.

13. What does the acronym 'PPP' stand for?
Cables - Pins - Electrical Signals
Point to Point
Physical Layer
High Level Data Link Control

14. What does the acronym 'OSI' stand for?
Open Source Interconnect
Hardware address - Ethernet address - BIA - Burned in Address
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

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

16. What is layer 2 of the OSI model?
High-Level Data Link Control
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Data Link layer.
Theoretical

17. What does the acronym 'ATM' stand for?
Asynchronous Transfer Mode
Physical Layer
Network layer.
Hardware address - Ethernet address - BIA - Burned in Address

18. What protocols correspond to the Presentation and Session layers?
Wide Area Network
Layer 2 - The 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
Local Area Network

19. What is HDLC?
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
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
Provide a model to discribe how data moves from source device to destination device.
Transport layer.

20. When would the PPP be used?
Point to Point
Media Access Control
When require to communicate between different vendors across the same serial link.
Wide Area Network

21. What is layer 1 of the OSI model?
Data Link layer.
Physical layer.
Transport 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

22. What does the acronym 'ISDN' stand for?
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.
ISDN - Integrated Services Digital Network
Transport layer.

23. Where does troublingshooting alway start?
Physical Layer
Point-to-Point Protocol over ATM
Asynchronous Transfer Mode
Layer 2 - The Data Link layer.

24. What are other names for MAC address?
Hardware address - Ethernet address - BIA - Burned in Address
When require to communicate between different vendors across the same serial link.
Session layer.
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.

25. What is the 'medium access controller'?
The hardware that implements the MAC.
MAC SubLayer - LLC SubLayer
Physical - Data Link. Network - Transport
High-Level Data Link Control

26. What is the difference between the TCP and UDP protocols?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
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 - Data Link. Network - Transport

27. How many Layers in the OSI Model?
Network layer.
Seven
When require to communicate between different vendors across the same serial link.
MAC SubLayer - LLC SubLayer

28. Frame Relay
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Physical layer.
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
48 bit address used to identify networking cards and appliances

29. What is layer 6 of the OSI model?
Point-to-Point Protocol over ATM
Presentation layer.
Wide Area Network
Application layer.

30. OSI layers are...
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.
Theoretical
High Level Data Link Control

31. What is the EIA/TIA 232 protocol concerned with?
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
Physical - Data Link. Network - Transport
Layer 1 Protocol having to do with serial communication

32. What does the acronym 'HDLC' stand for?
48 bit address used to identify networking cards and appliances
Cables - Pins - Electrical Signals
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

33. What is the Physical Layer responsible for?

34. What are some examples of 'LAN' side Datalink Layer Protocols and Standards?
ISDN - Integrated Services Digital Network
High Level Data Link Control
Wide Area Network
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

35. What does the acronym 'WAN' stand for?
Media Access Control
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.
48 bit address used to identify networking cards and appliances
Wide Area Network

36. In an OSI context What is considered 'media'?
Cables - Pins - Electrical Signals
Point to Point
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.
Presentation layer.

37. What is layer 7 of the OSI model?
Presentation layer.
ISDN - Integrated Services Digital Network
MAC SubLayer - LLC SubLayer
Application layer.

38. 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.
Hardware address - Ethernet address - BIA - Burned in Address
Data Flow layers.
Network layer.

39. What does the acronym 'LLC' stand for?
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
High-Level Data Link Control
Logicial Link Control

40. 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
When require to communicate between different vendors across the same serial link.
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

41. What is layer 5 of the OSI model?
Local Area Network
Physical Layer
When require to communicate between different vendors across the same serial link.
Session layer.

42. What are are the 'Sub Layers' of the 'Data Link' Layer?
Application layer.
ISDN - Integrated Services Digital Network
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
MAC SubLayer - LLC SubLayer

43. What does the acronym 'MAC' stand for?
High Level Data Link Control
Media Access Control
48 Bits
MAC SubLayer - LLC SubLayer

44. 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
High Level Data Link Control
Open Source Interconnect
Physical - Data Link. Network - Transport

45. What is the 'MAC Layer' responsible for?
Media Access Control
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.
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
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

46. What is the OSI model and why is it important in understanding networking?
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
IEA RS232 - V.35. Cat 5 - RJ45
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

47. What is the purpose 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
Provide a model to discribe how data moves from source device to destination device.
Local Area Network
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

48. Which OSI model layer is concerned with MAC addresses?
Theoretical
Layer 2 - The Data Link layer.
Open Source Interconnect
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology

49. What are some Physical Layer Protocols and Standards?
Layer 1 Protocol having to do with serial communication
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
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

50. What is the Mnemonic phrase for remembering OSI layers ordered 1 to 7?
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
ISDN - Integrated Services Digital 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