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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 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)
Presentation 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
Physical - Data Link. Network - Transport

2. What does the acronym 'ISDN' stand for?
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.
Network layer.
Provide a model to discribe how data moves from source device to destination device.

3. What does the acronym 'PPPoA' stand for?
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
Point-to-Point Protocol over ATM

4. What is the OSI model and why is it important in understanding networking?
Data Flow layers.
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
Point-to-Point Protocol over ATM

5. What is the Physical Layer responsible for?

6. What does the acronym 'WAN' stand for?
MAC SubLayer - LLC SubLayer
Wide Area Network
High-Level Data Link Control
Theoretical

7. What does the acronym 'MAC' stand for?
High Level Data Link Control
Provide a model to discribe how data moves from source device to destination device.
Session layer.
Media Access Control

8. What is the EIA/TIA 232 protocol concerned with?
IEA RS232 - V.35. Cat 5 - RJ45
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
Asynchronous Transfer Mode

9. What are considered the Data Flow layers?
Network layer.
Physical - Data Link. Network - Transport
Theoretical
Logicial Link Control

10. What is layer 5 of the OSI model?
Media Access Control
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
Session layer.

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

12. What is layer 3 of the OSI model?
Theoretical
Network layer.
IEA RS232 - V.35. Cat 5 - RJ45
48 bit address used to identify networking cards and appliances

13. How bits are in a MAC address?
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
48 Bits
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
Local Area Network

14. Frame Relay
Point-to-Point Protocol over ATM
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
The hardware that implements the MAC.
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination

15. What are other names for MAC address?
Hardware address - Ethernet address - BIA - Burned in Address
Media Access Control
High-Level Data Link Control
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM

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

17. What is ATM?
Media Access Control
Point-to-Point Protocol over 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.
Physical layer.

18. What is the purpose of the OSI Model?
Transport layer.
Provide a model to discribe how data moves from source device to destination device.
Asynchronous Transfer Mode
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

19. How does the third OSI model layer relate to administering routers?
Point-to-Point Protocol over ATM
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
Media Access Control

20. What are are the 'Sub Layers' of the 'Data Link' Layer?
Logicial Link Control
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
MAC SubLayer - LLC SubLayer
Provide a model to discribe how data moves from source device to destination device.

21. What is layer 6 of the OSI model?
Point to Point
Seven
IEA RS232 - V.35. Cat 5 - RJ45
Presentation layer.

22. OSI layers are...
Theoretical
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Layer 1 Protocol having to do with serial communication
Provide a model to discribe how data moves from source device to destination device.

23. What is the 'MAC Layer' responsible for?
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
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)
Physical Layer

24. What does the acronym 'LLC' stand for?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Asynchronous Transfer Mode
Logicial Link Control
Physical layer.

25. What is the Mnemonic phrase for remembering OSI layers ordered 1 to 7?
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
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Open Source Interconnect
Point-to-Point Protocol over ATM

26. Where does troublingshooting alway start?
Physical Layer
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Seven
Wide Area Network

27. What does the acronym 'ATM' stand for?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Asynchronous Transfer Mode

28. What does the acronym 'OSI' stand for?
Open Source Interconnect
International Standards Organization
High-Level Data Link Control
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)

29. What is layer 7 of the OSI model?
48 bit address used to identify networking cards and appliances
International Standards Organization
Application layer.
Theoretical

30. What are some Physical Layer Protocols and Standards?
Transport layer.
Presentation layer.
ISDN - Integrated Services Digital Network
IEA RS232 - V.35. Cat 5 - RJ45

31. Which OSI model layer is concerned with MAC addresses?
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)
Layer 2 - The Data Link layer.
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)

32. What does the acronym 'HDLC' stand for?
IEA RS232 - V.35. Cat 5 - RJ45
International Standards Organization
High-Level Data Link Control
Point to Point

33. What is the 'medium access controller'?
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
The hardware that implements the MAC.
Point-to-Point Protocol over 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

34. What does the acronym default 'HDLC' protocol stand for?
Asynchronous Transfer Mode
Layer 2 - The Data Link layer.
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
High Level Data Link Control

35. What is HDLC?
Seven
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
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
The hardware that implements the MAC.

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

37. What does the acronym 'ISO' stand for?
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
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)
International Standards Organization

38. What are some examples of 'LAN' side Datalink Layer Protocols and Standards?
International Standards Organization
Layer 1 Protocol having to do with serial communication
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Point to Point

39. What is layer 4 of the OSI model?
Presentation layer.
Asynchronous Transfer Mode
Transport layer.
Data Link layer.

40. What is layer 2 of the OSI model?
Data Link layer.
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Application layer.
Provide a model to discribe how data moves from source device to destination device.

41. What protocols correspond to the Presentation and Session layers?
Physical 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
48 Bits
Provide a model to discribe how data moves from source device to destination device.

42. What are some examples of 'WAN' side 'Encapsulation' type Datalink Layer Protocols and Standards?
Cables - Pins - Electrical Signals
Network layer.
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Open Source Interconnect

43. What is the 'LLC Layer' responsible for?
Data Link 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.
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
48 bit address used to identify networking cards and appliances

44. What are the first 4 layers of the OSI model called?
Media Access Control
Physical layer.
IEA RS232 - V.35. Cat 5 - RJ45
Data Flow layers.

45. How many Layers in the OSI Model?
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
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Seven
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 layer 1 of the OSI model?
48 bit address used to identify networking cards and appliances
Wide Area Network
Physical layer.
Point to Point

47. What does the acronym 'LAN' stand for?
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Theoretical
Local Area Network
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.

48. In an OSI context What is considered 'media'?
Wide Area Network
The hardware that implements the MAC.
Cables - Pins - Electrical Signals
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.

49. What is the MAC address?
48 bit address used to identify networking cards and appliances
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
When require to communicate between different vendors across the same serial link.
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.

50. What does the acronym 'PPP' stand for?
Hardware address - Ethernet address - BIA - Burned in Address
Asynchronous Transfer Mode
Seven
Point to Point