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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 'LAN' side Datalink Layer Protocols and Standards?
48 bit address used to identify networking cards and appliances
Network 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

2. What is layer 6 of the OSI model?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Presentation 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
When require to communicate between different vendors across the same serial link.

3. What are the first 4 layers of the OSI model called?
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Point-to-Point Protocol over ATM
Local Area Network
Data Flow layers.

4. What does the acronym 'LLC' stand for?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Open Source Interconnect
Logicial Link Control
Theoretical

5. How many Layers in the OSI Model?
48 Bits
Seven
Media Access Control
Provide a model to discribe how data moves from source device to destination device.

6. What does the acronym 'ISO' stand for?
International Standards Organization
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Data Link layer.
High Level Data Link Control

7. What does the acronym 'MAC' stand for?
Media Access Control
Network layer.
ISDN - Integrated Services Digital Network
48 Bits

8. What is the Mnemonic phrase for remembering OSI layers ordered 7 to 1?
IEA RS232 - V.35. Cat 5 - RJ45
Physical - Data Link. Network - Transport
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Data Flow layers.

9. What is ATM?
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
Logicial Link Control
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
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.

10. What is layer 5 of the OSI model?
When require to communicate between different vendors across the same serial link.
Network 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.
Session layer.

11. 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
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
Theoretical

12. What is the MAC address?
Transport layer.
48 bit address used to identify networking cards and appliances
International Standards Organization
High-Level Data Link Control

13. What does the acronym 'WAN' stand for?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
International Standards Organization
Wide Area Network
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

14. Frame Relay
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
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Physical Layer
Point to Point

15. What is layer 2 of the OSI model?
Presentation layer.
Data Link layer.
High-Level Data Link 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.

16. What does the acronym default 'HDLC' protocol stand for?
Local Area Network
High Level Data Link Control
Data Link layer.
Cables - Pins - Electrical Signals

17. What does the acronym 'ISDN' stand for?
IEA RS232 - V.35. Cat 5 - RJ45
Point-to-Point Protocol over ATM
ISDN - Integrated Services Digital Network
Application layer.

18. What does the acronym 'HDLC' stand for?
Session layer.
High-Level Data Link Control
Point to Point
Application layer.

19. What is layer 1 of the OSI model?
Cables - Pins - Electrical Signals
Physical Layer
Seven
Physical layer.

20. OSI layers are...
International Standards Organization
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Theoretical
Session layer.

21. What is layer 3 of the OSI model?
Network layer.
Data Flow layers.
48 Bits
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

22. In an OSI context What is considered 'media'?
IEA RS232 - V.35. Cat 5 - RJ45
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
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
Cables - Pins - Electrical Signals

23. What are the advantages of the OSI model?
Transport layer.
Cables - Pins - Electrical Signals
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Layer 2 - The Data Link layer.

24. Where does troublingshooting alway start?
48 Bits
Physical Layer
The hardware that implements the MAC.
Asynchronous Transfer Mode

25. What are other names for MAC address?
Asynchronous Transfer Mode
Hardware address - Ethernet address - BIA - Burned in Address
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
ISDN - Integrated Services Digital Network

26. What is the 'LLC Layer' responsible for?
High-Level Data Link Control
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
48 Bits

27. What is the 'medium access controller'?
ISDN - Integrated Services Digital Network
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Data Flow layers.
The hardware that implements the MAC.

28. What protocols correspond to the Presentation and Session layers?
Seven
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Data Flow 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

29. How does the third OSI model layer relate to administering routers?
Physical Layer
IEA RS232 - V.35. Cat 5 - RJ45
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
MAC SubLayer - LLC SubLayer

30. What is the Physical Layer responsible for?

31. What are are the 'Sub Layers' of the 'Data Link' Layer?
MAC SubLayer - LLC SubLayer
Application layer.
IEA RS232 - V.35. Cat 5 - RJ45
Point to Point

32. What is the EIA/TIA 232 protocol concerned with?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Layer 1 Protocol having to do with serial communication
Asynchronous Transfer Mode
Provide a model to discribe how data moves from source device to destination device.

33. What does the acronym 'LAN' stand for?
Provide a model to discribe how data moves from source device to destination device.
Local Area Network
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

34. What is the purpose of the OSI Model?
Provide a model to discribe how data moves from source device to destination device.
Local 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
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.

35. How bits are in a MAC address?
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 Layer
48 Bits
Point-to-Point Protocol over ATM

36. What does the acronym 'ATM' stand for?
48 Bits
Theoretical
Cables - Pins - Electrical Signals
Asynchronous Transfer Mode

37. What are some Physical Layer Protocols and Standards?
Cables - Pins - Electrical Signals
Point to Point
IEA RS232 - V.35. Cat 5 - RJ45
International Standards Organization

38. What does the acronym 'PPP' stand for?
Point to Point
Layer 2 - The Data Link layer.
Data Flow layers.
Local Area Network

39. Which OSI model layer is concerned with MAC addresses?
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Data Link layer.
Layer 2 - The Data Link layer.

40. What is the difference between the TCP and UDP protocols?
Wide Area Network
Transport layer.
Physical - Data Link. Network - Transport
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

41. 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
Media Access Control
Theoretical
Data Flow layers.

42. What does the acronym 'OSI' stand for?
Open Source Interconnect
Hardware address - Ethernet address - BIA - Burned in Address
Physical Layer
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

43. What is the Mnemonic phrase for remembering OSI layers ordered 1 to 7?
Application layer.
Session layer.
High-Level Data Link Control
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

44. What is layer 4 of the OSI model?
Hardware address - Ethernet address - BIA - Burned in Address
The hardware that implements the MAC.
Transport 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.

45. When would the PPP be used?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Point-to-Point Protocol over ATM
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)

46. What is HDLC?
Point-to-Point Protocol over ATM
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
Data Link layer.
Media Access Control

47. 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
Provide a model to discribe how data moves from source device to destination device.
High Level Data Link Control
Session layer.

48. 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.
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
The hardware that implements the MAC.

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

50. What does the acronym 'PPPoA' stand for?
High Level Data Link Control
Point-to-Point Protocol over ATM
Point to Point
MAC SubLayer - LLC SubLayer