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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 'Data Link Layer' responsible for?

2. What does the acronym 'PPPoA' stand for?
International Standards Organization
Point-to-Point Protocol over ATM
Open Source Interconnect
Data Flow layers.

3. What are some Physical Layer Protocols and Standards?
IEA RS232 - V.35. Cat 5 - RJ45
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
Application layer.

4. What is the 'medium access controller'?
Hardware address - Ethernet address - BIA - Burned in Address
Layer 1 Protocol having to do with serial communication
The hardware that implements the MAC.
Point-to-Point Protocol over ATM

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

6. What is the Mnemonic phrase for remembering OSI layers ordered 1 to 7?
Hardware address - Ethernet address - BIA - Burned in Address
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
High Level Data Link Control
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

7. What does the acronym 'LAN' 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
Local Area Network
Point-to-Point Protocol over ATM
Physical - Data Link. Network - Transport

8. 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
IEA RS232 - V.35. Cat 5 - RJ45
Local Area Network
Data Link layer.

9. What is layer 7 of the OSI model?
Local Area Network
Application layer.
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.

10. What does the acronym 'ISDN' stand for?
High-Level Data Link Control
ISDN - Integrated Services Digital Network
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Session layer.

11. What are other names for MAC address?
Physical layer.
Session layer.
Open Source Interconnect
Hardware address - Ethernet address - BIA - Burned in Address

12. Where does troublingshooting alway start?
48 bit address used to identify networking cards and appliances
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Physical Layer
Cables - Pins - Electrical Signals

13. What are the first 4 layers of the OSI model called?
Media Access Control
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Data Flow layers.
Local Area Network

14. What are considered the Data Flow layers?
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
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination

15. What does the acronym 'HDLC' stand for?
High-Level Data Link Control
Transport layer.
International Standards Organization
Presentation layer.

16. What does the acronym 'ISO' stand for?
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
International Standards Organization
Open Source Interconnect
Local Area Network

17. Frame Relay
Presentation layer.
Point-to-Point Protocol over ATM
Application layer.
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology

18. In an OSI context What is considered 'media'?
When require to communicate between different vendors across the same serial link.
IEA RS232 - V.35. Cat 5 - RJ45
Cables - Pins - Electrical Signals
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

19. How bits are in a MAC address?
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
48 Bits
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
Logicial Link Control

20. What is the OSI model and why is it important in understanding networking?
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Asynchronous Transfer Mode
Provide a model to discribe how data moves from source device to destination device.
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

21. What is the Physical Layer responsible for?

22. What is layer 6 of the OSI model?
Presentation layer.
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
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.

23. How does the third OSI model layer relate to administering routers?
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Hardware address - Ethernet address - BIA - Burned in Address

24. What are the advantages of the OSI model?
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
Cables - Pins - Electrical Signals
Media Access Control
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

25. What does the acronym 'MAC' 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
Media Access Control
Local Area Network
IEA RS232 - V.35. Cat 5 - RJ45

26. What is the EIA/TIA 232 protocol concerned with?
Seven
Network layer.
Point-to-Point Protocol over ATM
Layer 1 Protocol having to do with serial communication

27. What is layer 2 of the OSI model?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
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.
Network layer.

28. What is the MAC address?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
MAC SubLayer - LLC SubLayer
48 bit address used to identify networking cards and appliances
When require to communicate between different vendors across the same serial link.

29. OSI layers are...
International Standards Organization
Layer 2 - The Data Link layer.
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Theoretical

30. What is the 'MAC Layer' responsible for?
IEA RS232 - V.35. Cat 5 - RJ45
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

31. What is layer 5 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.
48 bit address used to identify networking cards and appliances
Session 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

32. What does the acronym 'WAN' stand for?
Physical layer.
Layer 2 - The Data Link layer.
Wide Area Network
Media Access Control

33. What does the acronym 'PPP' stand for?
Physical Layer
Open Source Interconnect
ISDN - Integrated Services Digital Network
Point to Point

34. 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
Application layer.
High Level Data Link Control
Point-to-Point Protocol over ATM

35. What does the acronym default 'HDLC' protocol stand for?
Asynchronous Transfer Mode
Physical layer.
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
High Level Data Link Control

36. What are are the 'Sub Layers' of the 'Data Link' Layer?
Physical - Data Link. Network - Transport
48 Bits
MAC SubLayer - LLC SubLayer
Presentation layer.

37. What is HDLC?
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
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
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

38. What is layer 1 of the OSI model?
Session layer.
Physical layer.
Logicial Link Control
Network layer.

39. What is ATM?
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - 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.
Layer 1 Protocol having to do with serial communication
Data Link layer.

40. How many Layers in 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.
ISDN - Integrated Services Digital Network
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Seven

41. What is layer 4 of the OSI model?
High-Level Data Link Control
Transport layer.
Theoretical
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

42. What is layer 3 of the OSI model?
Network layer.
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
MAC SubLayer - LLC SubLayer
Hardware address - Ethernet address - BIA - Burned in Address

43. What does the acronym 'ATM' stand for?
Asynchronous Transfer Mode
48 bit address used to identify networking cards and appliances
Data Flow layers.
Physical Layer

44. What does the acronym 'LLC' stand for?
Hardware address - Ethernet address - BIA - Burned in Address
48 bit address used to identify networking cards and appliances
ISDN - Integrated Services Digital Network
Logicial Link Control

45. Which OSI model layer is concerned with MAC addresses?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Asynchronous Transfer Mode
Layer 2 - The Data Link layer.
Local Area Network

46. What is the Mnemonic phrase for remembering OSI layers ordered 7 to 1?
High Level Data Link Control
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
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Data Link layer.

47. What are some examples of 'LAN' side Datalink Layer Protocols and Standards?
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
48 bit address used to identify networking cards and appliances
Transport layer.
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

48. What is the difference between the TCP and UDP protocols?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Point-to-Point Protocol over ATM
Open Source Interconnect

49. What are some examples of 'WAN' side 'Encapsulation' type Datalink Layer Protocols and Standards?
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Wide Area Network
Cables - Pins - Electrical Signals
Point-to-Point Protocol over ATM

50. What does the acronym 'OSI' stand for?
Point to Point
Open Source Interconnect
Theoretical
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM