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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?
ISDN - Integrated Services Digital Network
Physical Layer
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology

2. What is the purpose 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.
Provide a model to discribe how data moves from source device to destination device.
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Data Link layer.

3. What is the EIA/TIA 232 protocol concerned with?
Layer 1 Protocol having to do with serial communication
Logicial Link Control
Network layer.
Wide Area Network

4. What is the 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
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.
Point-to-Point Protocol over ATM
48 bit address used to identify networking cards and appliances

5. What are considered the Data Flow layers?
When require to communicate between different vendors across the same serial link.
Media Access Control
Cables - Pins - Electrical Signals
Physical - Data Link. Network - Transport

6. What is the Physical Layer responsible for?

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7. When would the PPP be used?
Data Flow layers.
When require to communicate between different vendors across the same serial link.
ISDN - Integrated Services Digital Network
High Level Data Link Control

8. 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
MAC SubLayer - LLC SubLayer
Physical Layer
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

9. How many Layers in the OSI Model?
Seven
Cables - Pins - Electrical Signals
Physical layer.
MAC SubLayer - LLC SubLayer

10. What are some Physical Layer Protocols and Standards?
Network layer.
IEA RS232 - V.35. Cat 5 - RJ45
Seven
Wide Area Network

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

12. What does the acronym 'ATM' stand for?
Cables - Pins - Electrical Signals
Physical - Data Link. Network - Transport
Asynchronous Transfer Mode
Hardware address - Ethernet address - BIA - Burned in Address

13. What does the acronym 'HDLC' stand for?
Layer 1 Protocol having to do with serial communication
Physical layer.
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

14. What protocols correspond to the Presentation and Session 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
Point to Point
International Standards Organization
Physical layer.

15. Frame Relay
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Data Flow layers.
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Open Source Interconnect

16. What does the acronym 'PPPoA' stand for?
Cables - Pins - Electrical Signals
Point-to-Point Protocol over ATM
48 Bits
Seven

17. How bits are in a MAC address?
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
Media Access Control
48 Bits
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

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

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19. What is layer 5 of the OSI model?
Session layer.
Theoretical
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

20. What are are the 'Sub Layers' of the 'Data Link' Layer?
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.
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Physical - Data Link. Network - Transport
MAC SubLayer - LLC SubLayer

21. What does the acronym 'MAC' 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
Physical - Data Link. Network - Transport
Media Access Control
IEA RS232 - V.35. Cat 5 - RJ45

22. What are the advantages of the OSI model?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
High-Level Data Link Control
Network layer.

23. What does the acronym 'ISO' stand for?
International Standards Organization
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
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

24. What is 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.
Logicial Link Control
Physical Layer
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

25. What are some examples of 'WAN' side 'Encapsulation' type Datalink Layer Protocols and Standards?
High Level Data Link Control
Network layer.
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
The hardware that implements the MAC.

26. What does the acronym 'PPP' 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
Point to Point
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.
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.

27. What does the acronym 'WAN' stand for?
Point-to-Point Protocol over ATM
Wide Area Network
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
Hardware address - Ethernet address - BIA - Burned in Address

28. What is layer 3 of the OSI model?
High-Level Data Link Control
Logicial Link Control
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Network layer.

29. What is HDLC?
Provide a model to discribe how data moves from source device to destination device.
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
International Standards Organization
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM

30. What is the difference between the TCP and UDP protocols?
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.
IEA RS232 - V.35. Cat 5 - RJ45
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
High Level Data Link Control

31. What does the acronym 'LAN' stand for?
Local Area Network
Provide a model to discribe how data moves from source device to destination device.
Data Flow layers.
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

32. What is layer 2 of the OSI model?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Data Link layer.
Local Area Network
Point-to-Point Protocol over ATM

33. Where does troublingshooting alway start?
Theoretical
Cables - Pins - Electrical Signals
Point to Point
Physical Layer

34. In an OSI context What is considered 'media'?
Cables - Pins - Electrical Signals
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
Layer 2 - The Data Link layer.

35. What is layer 7 of the OSI model?
Network layer.
Physical - Data Link. Network - Transport
Application 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

36. What is the OSI model and why is it important in understanding networking?
Seven
Layer 2 - The 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
Session layer.

37. What does the acronym 'ISDN' 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
Layer 1 Protocol having to do with serial communication
The hardware that implements the MAC.
ISDN - Integrated Services Digital Network

38. Which OSI model layer is concerned with MAC addresses?
Transport layer.
48 Bits
Asynchronous Transfer Mode
Layer 2 - The Data Link layer.

39. How does the third OSI model layer relate to administering routers?
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.
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Physical Layer
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination

40. What are the first 4 layers of the OSI model called?
Point to Point
Cables - Pins - Electrical Signals
Data Flow layers.
Layer 2 - The Data Link layer.

41. What is layer 6 of the OSI model?
MAC SubLayer - LLC SubLayer
Presentation layer.
48 bit address used to identify networking cards and appliances
When require to communicate between different vendors across the same serial link.

42. What is layer 4 of the OSI model?
Seven
Wide Area Network
Provide a model to discribe how data moves from source device to destination device.
Transport layer.

43. What does the acronym default 'HDLC' protocol stand for?
High Level Data Link Control
Point-to-Point Protocol over ATM
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.

44. What are other names for MAC address?
IEA RS232 - V.35. Cat 5 - RJ45
Hardware address - Ethernet address - BIA - Burned in Address
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.
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.

45. OSI layers are...
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
Theoretical
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)

46. What is layer 1 of the OSI model?
Hardware address - Ethernet address - BIA - Burned in Address
Physical layer.
Open Source Interconnect
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

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

48. What is the 'medium access controller'?
Logicial Link Control
Point-to-Point Protocol over ATM
Cables - Pins - Electrical Signals
The hardware that implements the MAC.

49. 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)
Layer 2 - The Data Link layer.
Data Flow layers.
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

50. What is the 'LLC Layer' responsible for?
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Physical - Data Link. Network - Transport
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