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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 layer 5 of the OSI model?
The hardware that implements the MAC.
Session layer.
Wide Area Network
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.

2. What does the acronym 'WAN' stand for?
Wide Area Network
High-Level Data Link Control
MAC SubLayer - LLC SubLayer
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

3. What does the acronym 'LLC' stand for?
Seven
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Physical Layer
Logicial Link Control

4. What are considered the 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
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 - Data Link. Network - Transport
Hardware address - Ethernet address - BIA - Burned in Address

5. How bits are in a MAC address?
MAC SubLayer - LLC SubLayer
48 Bits
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

6. Frame Relay
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Physical Layer
Seven
Layer 1 Protocol having to do with serial communication

7. Which OSI model layer is concerned with MAC addresses?
Layer 2 - The Data Link layer.
48 bit address used to identify networking cards and appliances
ISDN - Integrated Services Digital Network
High-Level Data Link Control

8. What are the advantages of the OSI model?
Media Access Control
MAC SubLayer - LLC SubLayer
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

9. What does the acronym 'ATM' 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
ISDN - Integrated Services Digital Network
Asynchronous Transfer Mode
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

10. What is ATM?
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
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
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
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.

11. What does the acronym 'PPPoA' stand for?
IEA RS232 - V.35. Cat 5 - RJ45
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
Media Access Control

12. What is layer 4 of the OSI model?
Layer 1 Protocol having to do with serial communication
The hardware that implements the MAC.
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.

13. Where does troublingshooting alway start?
Physical - Data Link. Network - Transport
Media Access Control
High-Level Data Link Control
Physical Layer

14. 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
Presentation layer.
Physical Layer
Point-to-Point Protocol over ATM

15. What is the purpose of the OSI Model?
Theoretical
Provide a model to discribe how data moves from source device to destination device.
Presentation layer.
When require to communicate between different vendors across the same serial link.

16. What is the 'medium access controller'?
Application layer.
Data Flow layers.
Cables - Pins - Electrical Signals
The hardware that implements the MAC.

17. What is layer 3 of the OSI model?
Wide Area Network
Session layer.
Hardware address - Ethernet address - BIA - Burned in Address
Network layer.

18. 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
Seven
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Application layer.

19. What does the acronym 'OSI' stand for?
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
Open Source Interconnect
48 Bits

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

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

22. What does the acronym default 'HDLC' protocol stand for?
Transport layer.
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Point-to-Point Protocol over ATM
High Level Data Link Control

23. What are some Physical Layer Protocols and Standards?
Physical layer.
Hardware address - Ethernet address - BIA - Burned in Address
IEA RS232 - V.35. Cat 5 - RJ45
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.

24. What is the Physical Layer responsible for?

25. What are some examples of 'LAN' side Datalink Layer Protocols and Standards?
Physical - Data Link. Network - Transport
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
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

26. What is layer 7 of the OSI model?
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
Cables - Pins - Electrical Signals
Application layer.
When require to communicate between different vendors across the same serial link.

27. What does the acronym 'ISO' stand for?
Wide Area Network
International Standards Organization
48 Bits
Hardware address - Ethernet address - BIA - Burned in Address

28. What is layer 6 of the OSI model?
Presentation layer.
Provide a model to discribe how data moves from source device to destination device.
IEA RS232 - V.35. Cat 5 - RJ45
Hardware address - Ethernet address - BIA - Burned in Address

29. 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
When require to communicate between different vendors across the same serial link.
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
48 bit address used to identify networking cards and appliances

30. 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
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.
Cables - Pins - Electrical Signals
Transport layer.

31. What is layer 1 of the OSI model?
Physical layer.
Hardware address - Ethernet address - BIA - Burned in Address
Logicial Link Control
Open Source Interconnect

32. What does the acronym 'LAN' stand for?
Application layer.
Theoretical
48 bit address used to identify networking cards and appliances
Local Area Network

33. What is the Mnemonic phrase for remembering OSI layers ordered 1 to 7?
Media Access Control
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Session layer.
Point-to-Point Protocol over ATM

34. What are the first 4 layers of the OSI model called?
Layer 1 Protocol having to do with serial communication
Application layer.
MAC SubLayer - LLC SubLayer
Data Flow layers.

35. What does the acronym 'MAC' stand for?
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
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Media Access Control

36. What is the difference between the TCP and UDP protocols?
48 bit address used to identify networking cards and appliances
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
High-Level Data Link Control
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

37. What is HDLC?
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - 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
Data Flow layers.
MAC SubLayer - LLC SubLayer

38. What does the acronym 'HDLC' stand for?
When require to communicate between different vendors across the same serial link.
Physical Layer
High-Level Data Link Control
Wide Area Network

39. What is the Mnemonic phrase for remembering OSI layers ordered 7 to 1?
48 bit address used to identify networking cards and appliances
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Physical layer.
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)

40. What are other names for MAC address?
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Hardware address - Ethernet address - BIA - Burned in Address
Point-to-Point Protocol over ATM
Physical layer.

41. 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
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 Layer
The hardware that implements the MAC.

42. What protocols correspond to the Presentation and Session layers?
Physical - Data Link. Network - Transport
Presentation 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
Layer 2 - The Data Link layer.

43. What is layer 2 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.
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
Data Link layer.
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination

44. OSI layers are...
48 bit address used to identify networking cards and appliances
Logicial Link Control
Theoretical
High Level Data Link Control

45. What does the acronym 'PPP' stand for?
Transport layer.
Point to Point
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
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.

46. What does the acronym 'ISDN' stand for?
ISDN - Integrated Services Digital Network
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
IEA RS232 - V.35. Cat 5 - RJ45
48 Bits

47. In an OSI context What is considered 'media'?
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.
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Wide Area Network
Cables - Pins - Electrical Signals

48. When would the PPP be used?
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
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
When require to communicate between different vendors across the same serial link.
ISDN - Integrated Services Digital Network

49. What is the EIA/TIA 232 protocol concerned with?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Layer 1 Protocol having to do with serial communication
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

50. What are some examples of 'WAN' side 'Encapsulation' type 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.
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
The hardware that implements the MAC.