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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 does the acronym 'PPPoA' stand for?
Network layer.
Point-to-Point Protocol over ATM
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
When require to communicate between different vendors across the same serial link.

2. What are the first 4 layers of the OSI model called?
Transport layer.
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Data Flow layers.
Open Source Interconnect

3. What is layer 7 of the OSI model?
Cables - Pins - Electrical Signals
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Application layer.
High-Level Data Link Control

4. 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
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
48 bit address used to identify networking cards and appliances

5. What is the Mnemonic phrase for remembering OSI layers ordered 1 to 7?
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Wide Area Network
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)

6. 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
When require to communicate between different vendors across the same serial link.
Session layer.
Point to Point

7. What is layer 2 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.
Media Access Control
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

8. How bits are in a MAC address?
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Seven
48 Bits
ISDN - Integrated Services Digital Network

9. What does the acronym 'ATM' stand for?
Point to Point
Theoretical
Asynchronous Transfer Mode
Physical - Data Link. Network - Transport

10. What are other names for MAC address?
Transport layer.
Hardware address - Ethernet address - BIA - Burned in Address
Provide a model to discribe how data moves from source device to destination device.
Cables - Pins - Electrical Signals

11. What are are the 'Sub Layers' of the 'Data Link' Layer?
The hardware that implements the MAC.
MAC SubLayer - LLC SubLayer
Open Source Interconnect
IEA RS232 - V.35. Cat 5 - RJ45

12. How many Layers in the OSI Model?
Physical - Data Link. Network - Transport
Local Area Network
Layer 2 - The Data Link layer.
Seven

13. What protocols correspond to the Presentation and Session layers?
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
Provide a model to discribe how data moves from source device to destination device.
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)

14. What does the acronym 'LLC' stand for?
Logicial Link Control
Local Area Network
Asynchronous Transfer Mode
Layer 2 - The Data Link layer.

15. What does the acronym 'HDLC' stand for?
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
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
High-Level Data Link Control

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

17. What is the difference between the TCP and UDP protocols?
Asynchronous Transfer Mode
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Point-to-Point Protocol over ATM

18. What is the OSI model and why is it important in understanding networking?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Provide a model to discribe how data moves from source device to destination device.
Media Access Control
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

19. What is layer 1 of the OSI model?
Layer 1 Protocol having to do with serial communication
Physical layer.
Seven
Local Area Network

20. What is the Physical Layer responsible for?

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21. What are some examples of 'LAN' side Datalink Layer Protocols and Standards?
ISDN - Integrated Services Digital Network
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.
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)

22. What does the acronym default 'HDLC' protocol stand for?
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Layer 2 - The Data Link layer.
Physical layer.
High Level Data Link Control

23. When would the PPP be used?
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Theoretical
When require to communicate between different vendors across the same serial link.
Presentation layer.

24. What does the acronym 'ISDN' stand for?
Physical Layer
48 Bits
ISDN - Integrated Services Digital Network
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology

25. What is the 'medium access controller'?
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
The hardware that implements the MAC.
Physical - Data Link. Network - Transport
Session layer.

26. What does the acronym 'WAN' stand for?
Wide Area Network
Physical Layer
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
48 bit address used to identify networking cards and appliances

27. What is the purpose of the OSI Model?
Data Flow layers.
Provide a model to discribe how data moves from source device to destination device.
Asynchronous Transfer Mode
Data Link layer.

28. What is the MAC address?
48 bit address used to identify networking cards and appliances
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Physical layer.
High Level Data Link Control

29. What are the advantages of the OSI model?
Layer 1 Protocol having to do with serial communication
Presentation layer.
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Media Access Control

30. What is ATM?
Transport layer.
The hardware that implements the MAC.
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.

31. What are some examples of 'WAN' side 'Encapsulation' type Datalink Layer Protocols and Standards?
Hardware address - Ethernet address - BIA - Burned in Address
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Presentation layer.
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

32. Which OSI model layer is concerned with MAC addresses?
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
Layer 2 - The Data Link layer.
Theoretical

33. What does the acronym 'LAN' stand for?
Physical layer.
Point-to-Point Protocol over 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
Local Area Network

34. OSI layers are...
Physical - Data Link. Network - Transport
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Theoretical
Network layer.

35. 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)
High Level Data Link Control
Theoretical

36. Frame Relay
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Seven
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

37. What does the acronym 'OSI' stand for?
Open Source Interconnect
Presentation layer.
ISDN - Integrated Services Digital Network
Media Access Control

38. What are some Physical Layer Protocols and Standards?
IEA RS232 - V.35. Cat 5 - RJ45
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.
Hardware address - Ethernet address - BIA - Burned in Address

39. What does the acronym 'PPP' stand for?
Physical layer.
Point to Point
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

40. What is layer 3 of the OSI model?
Seven
Theoretical
Network layer.
Wide Area Network

41. What does the acronym 'MAC' stand for?
Media Access Control
Wide Area Network
Presentation layer.
Provide a model to discribe how data moves from source device to destination device.

42. In an OSI context What is considered 'media'?
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Cables - Pins - Electrical Signals
Data Flow layers.
Logicial Link Control

43. What is the EIA/TIA 232 protocol concerned with?
Layer 1 Protocol having to do with serial communication
Theoretical
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
Asynchronous Transfer Mode

44. Where does troublingshooting alway start?
Physical Layer
Theoretical
Media Access Control
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology

45. What is HDLC?
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
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Media Access Control
Layer 2 - The Data Link layer.

46. 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
Point to Point
MAC SubLayer - LLC SubLayer
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

47. What is layer 6 of the OSI model?
Presentation layer.
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
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology

48. How does the third OSI model layer relate to administering routers?
Provide a model to discribe how data moves from source device to destination device.
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Media Access Control
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

49. What is the 'MAC Layer' responsible for?
Media Access Control
Point-to-Point Protocol over ATM
High Level Data 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

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

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