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Cisco Certification OSI Model

Instructions:

Answer 50 questions in 15 minutes.
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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 other names for MAC address?
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.
Hardware address - Ethernet address - BIA - Burned in Address
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Application layer.

2. What is the purpose of the OSI Model?
Application layer.
Provide a model to discribe how data moves from source device to destination device.
High Level Data Link Control
Cables - Pins - Electrical Signals

3. What is the 'MAC Layer' responsible for?
Open Source Interconnect
When require to communicate between different vendors across the same serial link.
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
Hardware address - Ethernet address - BIA - Burned in Address

4. 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
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
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.

5. What does the acronym 'HDLC' stand for?
High-Level Data Link Control
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
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Point to Point

6. What does the acronym 'ISO' stand for?
Point-to-Point Protocol over ATM
Hardware address - Ethernet address - BIA - Burned in Address
International Standards Organization
When require to communicate between different vendors across the same serial link.

7. What is the difference between the TCP and UDP protocols?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
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
Presentation layer.

8. What does the acronym 'PPP' stand for?
Network layer.
Wide Area Network
Point to Point
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.

9. What does the acronym 'LLC' stand for?
Logicial Link Control
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
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.
The hardware that implements the MAC.

10. Frame Relay
48 bit address used to identify networking cards and appliances
Logicial Link Control
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology

11. What are the advantages of the OSI model?
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
Cables - Pins - Electrical Signals
Provide a model to discribe how data moves from source device to destination device.
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

12. When would the PPP be used?
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
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
When require to communicate between different vendors across the same serial link.
The hardware that implements the MAC.

13. What does the acronym 'ATM' stand for?
IEA RS232 - V.35. Cat 5 - RJ45
Asynchronous Transfer Mode
High-Level Data Link Control
Physical Layer

14. What is the 'LLC Layer' responsible for?
Media Access Control
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
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
Asynchronous Transfer Mode

15. What is the MAC address?
Provide a model to discribe how data moves from source device to destination device.
48 bit address used to identify networking cards and appliances
48 Bits
Presentation layer.

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

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17. 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
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
High-Level Data 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.

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

19. 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)
Logicial Link Control
Data Flow layers.
Provide a model to discribe how data moves from source device to destination device.

20. What is layer 4 of the OSI model?
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Wide Area Network
Transport layer.
Seven

21. What is the Mnemonic phrase for remembering OSI layers ordered 1 to 7?
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Layer 2 - The Data Link layer.
High Level Data Link Control
Hardware address - Ethernet address - BIA - Burned in Address

22. What are are the 'Sub Layers' of the 'Data Link' Layer?
Wide Area Network
MAC SubLayer - LLC SubLayer
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Data Link layer.

23. What is layer 7 of the OSI model?
Application layer.
Session layer.
Open Source Interconnect
Data Flow layers.

24. What is the 'medium access controller'?
Hardware address - Ethernet address - BIA - Burned in Address
The hardware that implements the MAC.
Session layer.
High-Level Data Link Control

25. What is layer 1 of the OSI model?
Data Link layer.
Physical layer.
Point-to-Point Protocol over ATM
Theoretical

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

27. What is the EIA/TIA 232 protocol concerned with?
Layer 1 Protocol having to do with serial communication
Seven
When require to communicate between different vendors across the same serial link.
48 bit address used to identify networking cards and appliances

28. What are some Physical Layer Protocols and Standards?
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
48 Bits
IEA RS232 - V.35. Cat 5 - RJ45
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 Physical Layer responsible for?

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30. What is layer 6 of the OSI model?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Presentation layer.
Asynchronous Transfer Mode
Network layer.

31. OSI layers are...
Theoretical
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.
Point-to-Point Protocol over ATM
Seven

32. What are the first 4 layers of the OSI model called?
Application 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.
Data Flow layers.
Cables - Pins - Electrical Signals

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

34. What is ATM?
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.
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination

35. How bits are in a MAC address?
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.
Hardware address - Ethernet address - BIA - Burned in Address
48 Bits
Point-to-Point Protocol over ATM

36. What are some examples of 'WAN' side 'Encapsulation' type Datalink Layer Protocols and Standards?
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
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Point to Point
Provide a model to discribe how data moves from source device to destination device.

37. 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
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Application layer.
Media Access Control

38. What are considered the Data Flow layers?
Transport layer.
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Physical - Data Link. Network - Transport
Session layer.

39. In an OSI context What is considered 'media'?
IEA RS232 - V.35. Cat 5 - RJ45
High Level Data Link Control
Open Source Interconnect
Cables - Pins - Electrical Signals

40. What does the acronym 'OSI' stand for?
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Layer 1 Protocol having to do with serial communication
Open Source Interconnect
Data Flow layers.

41. Where does troublingshooting alway start?
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Physical Layer
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
ISDN - Integrated Services Digital Network

42. What is layer 5 of the OSI model?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Session layer.
Theoretical
The hardware that implements the MAC.

43. What does the acronym 'PPPoA' stand for?
Point-to-Point Protocol over ATM
High-Level Data Link Control
Hardware address - Ethernet address - BIA - Burned in Address
Transport layer.

44. What does the acronym default 'HDLC' protocol stand for?
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.
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
High Level Data Link Control
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM

45. How many Layers in the OSI Model?
Application layer.
Seven
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Layer 1 Protocol having to do with serial communication

46. Which OSI model layer is concerned with MAC addresses?
48 Bits
Layer 2 - The Data Link layer.
International Standards Organization
Physical - Data Link. Network - Transport

47. What is layer 2 of the OSI model?
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Data Link layer.
Session layer.
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)

48. What does the acronym 'WAN' stand for?
Physical - Data Link. Network - Transport
Wide Area Network
High-Level Data Link Control
Hardware address - Ethernet address - BIA - Burned in Address

49. What is HDLC?
Wide Area 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
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.
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 'LAN' stand for?
Local Area Network
Logicial Link Control
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 Link layer.