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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 EIA/TIA 232 protocol concerned with?
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Local Area Network
Layer 1 Protocol having to do with serial communication
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

2. What is the 'medium access controller'?
IEA RS232 - V.35. Cat 5 - RJ45
MAC SubLayer - LLC SubLayer
The hardware that implements the MAC.
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM

3. 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
Physical layer.
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology

4. What are some examples of 'LAN' side Datalink Layer Protocols and Standards?
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.
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
International Standards Organization
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

5. What is the 'MAC Layer' responsible for?
High-Level Data Link Control
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
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

6. When would the PPP be used?
48 bit address used to identify networking cards and appliances
When require to communicate between different vendors across the same serial link.
Asynchronous Transfer Mode
High-Level Data Link Control

7. What does the acronym default 'HDLC' protocol stand for?
High Level Data Link Control
Layer 2 - The 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.
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

8. What does the acronym 'LLC' stand for?
High-Level Data Link Control
MAC SubLayer - LLC SubLayer
48 Bits
Logicial Link Control

9. 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
Data Flow layers.
Point to Point
Media Access Control

10. Which OSI model layer is concerned with MAC addresses?
Local Area Network
Data Link layer.
48 bit address used to identify networking cards and appliances
Layer 2 - The Data Link layer.

11. What are the first 4 layers of the OSI model called?
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
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
Data Flow layers.
Wide Area Network

12. What does the acronym 'ATM' stand for?
Asynchronous Transfer Mode
Application layer.
The hardware that implements the MAC.
48 bit address used to identify networking cards and appliances

13. What does the acronym 'PPP' stand for?
International Standards Organization
Point to Point
Session layer.
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)

14. What does the acronym 'OSI' stand for?
Theoretical
Open Source Interconnect
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

15. What are some examples of 'WAN' side 'Encapsulation' type Datalink Layer Protocols and Standards?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Layer 2 - The Data Link layer.
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Asynchronous Transfer Mode

16. What protocols correspond to the Presentation and Session layers?
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.
Wide 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
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

17. What is the difference between the TCP and UDP protocols?
48 Bits
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
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

18. What does the acronym 'PPPoA' stand for?
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Point-to-Point Protocol over ATM
Data Link layer.
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

19. What does the acronym 'WAN' stand for?
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Cables - Pins - Electrical Signals
Media Access Control
Wide Area Network

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

21. What is the Mnemonic phrase for remembering OSI layers ordered 1 to 7?
Physical - Data Link. Network - Transport
Layer 2 - The Data Link layer.
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Network layer.

22. What is layer 4 of the OSI model?
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
MAC SubLayer - LLC SubLayer
Transport layer.
Wide Area Network

23. How many Layers in the OSI Model?
Layer 1 Protocol having to do with serial communication
Network layer.
Application layer.
Seven

24. What are considered the Data Flow layers?
Physical - Data Link. Network - Transport
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
When require to communicate between different vendors across the same serial link.
The hardware that implements the MAC.

25. What is the Mnemonic phrase for remembering OSI layers ordered 7 to 1?
Data Link layer.
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
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
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

26. What is the 'LLC Layer' responsible for?
Cables - Pins - Electrical Signals
Physical - Data Link. Network - Transport
IEA RS232 - V.35. Cat 5 - RJ45
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

27. What is layer 3 of the OSI model?
Open Source Interconnect
Network layer.
48 Bits
ISDN - Integrated Services Digital Network

28. How bits are in a MAC address?
ISDN - Integrated Services Digital Network
Physical - Data Link. Network - Transport
Theoretical
48 Bits

29. What is layer 1 of the OSI model?
Layer 1 Protocol having to do with serial communication
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Physical - Data Link. Network - Transport
Physical layer.

30. What does the acronym 'MAC' stand for?
Seven
ISDN - Integrated Services Digital Network
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
Media Access Control

31. What is the MAC address?
48 bit address used to identify networking cards and appliances
Seven
Presentation layer.
Open Source Interconnect

32. What are are the 'Sub Layers' of the 'Data Link' Layer?
Local Area Network
MAC SubLayer - LLC SubLayer
Layer 1 Protocol having to do with serial communication
Point to Point

33. What is layer 5 of the OSI model?
The hardware that implements the MAC.
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Session layer.
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)

34. What does the acronym 'LAN' stand for?
Local Area Network
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
MAC SubLayer - LLC SubLayer
International Standards Organization

35. What is ATM?
Physical - Data Link. Network - Transport
48 bit address used to identify networking cards and appliances
ISDN - Integrated Services Digital Network
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.

36. What is layer 7 of the OSI model?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Application 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.

37. What is the purpose of the OSI Model?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Provide a model to discribe how data moves from source device to destination device.
Network layer.
48 bit address used to identify networking cards and appliances

38. What does the acronym 'HDLC' stand 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)
Physical layer.
High-Level Data Link Control

39. 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
High-Level Data Link Control
Hardware address - Ethernet address - BIA - Burned in Address
48 bit address used to identify networking cards and appliances

40. What is HDLC?
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
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
Point-to-Point Protocol over ATM
Logicial Link Control

41. What does the acronym 'ISDN' stand for?
48 bit address used to identify networking cards and appliances
ISDN - Integrated Services Digital Network
Physical Layer
Open Source Interconnect

42. What are some Physical Layer Protocols and Standards?
IEA RS232 - V.35. Cat 5 - RJ45
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: 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
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.

43. What is the Physical Layer responsible for?

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

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45. What does the acronym 'ISO' stand for?
International Standards Organization
High Level Data Link Control
Point-to-Point Protocol over ATM
Local Area Network

46. In an OSI context What is considered 'media'?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Cables - Pins - Electrical Signals
Physical - Data Link. Network - Transport
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

47. Where does troublingshooting alway start?
Physical Layer
High Level Data Link Control
Seven
Media Access Control

48. OSI layers are...
Theoretical
Provide a model to discribe how data moves from source device to destination device.
Local Area Network
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination

49. What are other names for MAC address?
Physical layer.
MAC SubLayer - LLC SubLayer
Hardware address - Ethernet address - BIA - Burned in Address
Wide Area Network

50. What is layer 6 of the OSI model?
High-Level Data Link Control
Asynchronous Transfer Mode
Physical Layer
Presentation layer.