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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 'HDLC' stand for?
Application layer.
High-Level Data Link Control
ISDN - Integrated Services Digital Network
Hardware address - Ethernet address - BIA - Burned in Address

2. What is layer 2 of the OSI model?
Logicial Link Control
Data Link layer.
48 Bits
Local Area Network

3. What is layer 6 of the OSI model?
Physical layer.
Presentation layer.
Layer 1 Protocol having to do with serial communication
Seven

4. What is the 'medium access controller'?
IEA RS232 - V.35. Cat 5 - RJ45
The hardware that implements the MAC.
Data Flow layers.
Asynchronous Transfer Mode

5. What does the acronym 'PPPoA' stand for?
Open Source Interconnect
Point-to-Point Protocol over ATM
Layer 1 Protocol having to do with serial communication
High Level Data Link Control

6. What is layer 4 of the OSI model?
Wide Area Network
Transport layer.
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Data Flow layers.

7. OSI layers are...
Theoretical
International Standards Organization
Data Flow layers.
The hardware that implements the MAC.

8. What is the difference between the TCP and UDP protocols?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
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
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

9. What are are the 'Sub Layers' of the 'Data Link' Layer?
MAC SubLayer - LLC SubLayer
Point-to-Point Protocol over ATM
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Cables - Pins - Electrical Signals

10. How bits are in a MAC address?
48 bit address used to identify networking cards and appliances
48 Bits
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
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

11. Frame Relay
High-Level Data Link Control
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Session layer.
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

12. What is layer 1 of the OSI model?
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Physical layer.
Asynchronous Transfer Mode
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)

13. What is the Mnemonic phrase for remembering OSI layers ordered 1 to 7?
Data Flow layers.
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
IEA RS232 - V.35. Cat 5 - RJ45
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

14. What are some examples of 'LAN' side Datalink Layer Protocols and Standards?
MAC SubLayer - LLC SubLayer
48 Bits
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

15. What is layer 5 of the OSI model?
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
Application layer.
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Session layer.

16. What does the acronym 'OSI' stand for?
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
The hardware that implements the MAC.
Open Source Interconnect
Presentation layer.

17. What is ATM?
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
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.
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

18. What protocols correspond to the Presentation and Session layers?
Cables - Pins - Electrical Signals
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
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
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 are the first 4 layers of the OSI model called?
Data Flow layers.
Point-to-Point Protocol over ATM
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
48 Bits

20. What does the acronym 'LAN' 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
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Local Area Network
Provide a model to discribe how data moves from source device to destination device.

21. What are some examples of 'WAN' side 'Encapsulation' type Datalink Layer Protocols and Standards?
Physical layer.
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Data Flow layers.
High Level Data Link Control

22. What is layer 3 of the OSI model?
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
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
High-Level Data Link Control
Network layer.

23. What is layer 7 of the OSI model?
Point-to-Point Protocol over ATM
Application layer.
Network 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

24. What is the 'MAC Layer' responsible for?
Wide Area Network
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
Point to Point
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 EIA/TIA 232 protocol concerned with?
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
Open Source Interconnect
Theoretical
Layer 1 Protocol having to do with serial communication

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

27. What does the acronym 'MAC' stand for?
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Media Access Control
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Asynchronous Transfer Mode

28. What does the acronym 'ISO' stand for?
IEA RS232 - V.35. Cat 5 - RJ45
Cables - Pins - Electrical Signals
Physical layer.
International Standards Organization

29. In an OSI context What is considered 'media'?
Point to Point
Wide Area Network
Cables - Pins - Electrical Signals
Physical Layer

30. What does the acronym 'ATM' stand for?
IEA RS232 - V.35. Cat 5 - RJ45
Provide a model to discribe how data moves from source device to destination device.
Application layer.
Asynchronous Transfer Mode

31. What are considered the Data Flow layers?
Physical - Data Link. Network - Transport
ISDN - Integrated Services Digital Network
Point-to-Point Protocol over ATM
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

32. What is HDLC?
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
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 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
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM

33. Which OSI model layer is concerned with MAC addresses?
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
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
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

34. What is the Physical Layer responsible for?

35. How many Layers in the OSI Model?
Seven
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
International Standards Organization
ISDN - Integrated Services Digital Network

36. What is the purpose of the OSI Model?
Asynchronous Transfer Mode
ISDN - Integrated Services Digital 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
Provide a model to discribe how data moves from source device to destination device.

37. When would the PPP be used?
Data Link layer.
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
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)

38. What are some Physical Layer Protocols and Standards?
Transport 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
Asynchronous Transfer Mode

39. What are the advantages of the OSI model?
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Wide Area Network
IEA RS232 - V.35. Cat 5 - RJ45

40. What is the Mnemonic phrase for remembering OSI layers ordered 7 to 1?
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Point to Point
Logicial Link Control

41. What does the acronym 'WAN' stand for?
Theoretical
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
Wide Area Network

42. What does the acronym 'ISDN' stand for?
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Layer 1 Protocol having to do with serial communication
Point-to-Point Protocol over ATM
ISDN - Integrated Services Digital Network

43. 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
Network layer.
Wide Area Network
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination

44. What does the acronym 'PPP' stand for?
Logicial Link Control
Point to Point
The hardware that implements the MAC.
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

45. What does the acronym default 'HDLC' protocol stand for?
Asynchronous Transfer Mode
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
International Standards Organization
High Level Data Link Control

46. Where does troublingshooting alway start?
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Logicial Link Control
International Standards Organization
Physical Layer

47. How does the third OSI model layer relate to administering routers?
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Presentation layer.
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

48. What are other names for MAC address?
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
International Standards Organization
Point-to-Point Protocol over ATM
Hardware address - Ethernet address - BIA - Burned in Address

49. What is the MAC address?
Presentation layer.
High Level Data Link Control
48 bit address used to identify networking cards and appliances
Network layer.

50. What is the OSI model and why is it important in understanding networking?
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
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