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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 protocols correspond to the Presentation and Session layers?
IEA RS232 - V.35. Cat 5 - RJ45
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 - Data Link. Network - Transport
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

2. What are considered the Data Flow layers?
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Physical - Data Link. Network - Transport
Session layer.
ISDN - Integrated Services Digital Network

3. What is layer 7 of the OSI model?
Network layer.
Asynchronous Transfer Mode
48 Bits
Application layer.

4. What is layer 4 of the OSI model?
High-Level Data Link Control
Transport layer.
IEA RS232 - V.35. Cat 5 - RJ45
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

5. What is the OSI model and why is it important in understanding networking?
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
48 Bits
Physical - Data Link. Network - Transport
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

6. Frame Relay
Open Source Interconnect
The hardware that implements the MAC.
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Hardware address - Ethernet address - BIA - Burned in Address

7. What are the first 4 layers of the OSI model called?
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
48 bit address used to identify networking cards and appliances
Data Flow layers.

8. What is the difference between the TCP and UDP protocols?
Hardware address - Ethernet address - BIA - Burned in Address
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
High Level Data Link Control
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM

9. 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
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
International Standards Organization
Presentation layer.

10. What does the acronym 'PPP' stand for?
Point to Point
High Level Data Link Control
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM

11. What is the Mnemonic phrase for remembering OSI layers ordered 7 to 1?
The hardware that implements the MAC.
Presentation layer.
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

12. What does the acronym 'ISDN' stand for?
Wide Area Network
ISDN - Integrated Services Digital Network
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

13. When would the PPP be used?
Physical - Data Link. Network - Transport
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
When require to communicate between different vendors across the same serial link.
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

14. What is layer 1 of the OSI model?
High-Level Data Link Control
Transport layer.
Physical layer.
Application layer.

15. What does the acronym 'LAN' stand for?
Local Area Network
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
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 layer.

16. 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
Asynchronous Transfer Mode
Presentation layer.
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

17. What does the acronym 'OSI' stand for?
Network layer.
Open Source Interconnect
Layer 1 Protocol having to do with serial communication
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

18. What are the advantages of the OSI model?
Logicial Link Control
High Level Data Link Control
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Open Source Interconnect

19. What is layer 6 of the OSI model?
Presentation layer.
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Layer 1 Protocol having to do with serial communication
International Standards Organization

20. What is the 'medium access controller'?
Media Access Control
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Point-to-Point Protocol over ATM
The hardware that implements the MAC.

21. 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
48 Bits
Media Access Control
Wide Area Network

22. What does the acronym 'LLC' stand for?
Logicial Link Control
When require to communicate between different vendors across the same serial link.
ISDN - Integrated Services Digital Network
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

23. What does the acronym default 'HDLC' protocol stand for?
Media Access Control
Transport layer.
International Standards Organization
High Level Data Link Control

24. What is the Physical Layer responsible for?

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25. Which OSI model layer is concerned with MAC addresses?
ISDN - Integrated Services Digital Network
Layer 2 - The Data Link layer.
Hardware address - Ethernet address - BIA - Burned in Address
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

26. What does the acronym 'MAC' stand for?
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Media Access Control
Logicial Link Control
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.

27. What does the acronym 'HDLC' stand for?
48 bit address used to identify networking cards and appliances
Local Area Network
High-Level Data Link Control
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

28. What are some examples of 'LAN' side Datalink Layer Protocols and Standards?
When require to communicate between different vendors across the same serial link.
Wide Area Network
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
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

29. What is the Mnemonic phrase for remembering OSI layers ordered 1 to 7?
MAC SubLayer - LLC SubLayer
Provide a model to discribe how data moves from source device to destination device.
Network layer.
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

30. What is the 'LLC Layer' responsible for?
Open Source Interconnect
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
Theoretical
When require to communicate between different vendors across the same serial link.

31. 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.
Hardware address - Ethernet address - BIA - Burned in Address
Application layer.

32. What is layer 5 of the OSI model?
Cables - Pins - Electrical Signals
Presentation layer.
High Level Data Link Control
Session layer.

33. What does the acronym 'ISO' stand for?
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
Transport layer.
Wide Area Network
International Standards Organization

34. What is layer 2 of the OSI model?
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.
Data Link layer.
IEA RS232 - V.35. Cat 5 - RJ45
Transport layer.

35. OSI layers are...
Logicial Link Control
Theoretical
Transport layer.
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM

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

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37. What does the acronym 'PPPoA' stand for?
Point-to-Point Protocol over ATM
Hardware address - Ethernet address - BIA - Burned in Address
Logicial 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

38. What is the EIA/TIA 232 protocol concerned with?
Layer 1 Protocol having to do with serial communication
Logicial Link Control
Theoretical
Cables - Pins - Electrical Signals

39. What are other names for MAC address?
Hardware address - Ethernet address - BIA - Burned in Address
Point-to-Point Protocol over ATM
Physical Layer
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM

40. What is layer 3 of the OSI model?
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Logicial Link Control
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Network layer.

41. What are some examples of 'WAN' side 'Encapsulation' type Datalink Layer Protocols and Standards?
ISDN - Integrated Services Digital Network
48 bit address used to identify networking cards and appliances
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Point to Point

42. What does the acronym 'WAN' stand for?
Data Link layer.
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
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
Wide Area Network

43. 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
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
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
Network layer.

44. How many Layers in the OSI Model?
Seven
High Level Data Link Control
Application layer.
International Standards Organization

45. What are are the 'Sub Layers' of the 'Data Link' Layer?
MAC SubLayer - LLC SubLayer
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
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
IEA RS232 - V.35. Cat 5 - RJ45

46. What is the MAC address?
48 bit address used to identify networking cards and appliances
Local Area 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
Transport layer.

47. 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)
Asynchronous Transfer Mode
Cables - Pins - Electrical Signals

48. What are some Physical Layer Protocols and Standards?
Cables - Pins - Electrical Signals
Session layer.
IEA RS232 - V.35. Cat 5 - RJ45
Wide Area Network

49. What does the acronym 'ATM' stand for?
Asynchronous Transfer Mode
Data Link layer.
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
Hardware address - Ethernet address - BIA - Burned in Address

50. Where does troublingshooting alway start?
48 Bits
Physical Layer
Physical layer.
Logicial Link Control