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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 Mnemonic phrase for remembering OSI layers ordered 7 to 1?
When require to communicate between different vendors across the same serial link.
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
Data Flow layers.

2. What is layer 2 of the OSI model?
Provide a model to discribe how data moves from source device to destination device.
IEA RS232 - V.35. Cat 5 - RJ45
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Data Link layer.

3. What are the advantages of the OSI model?
48 Bits
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Asynchronous Transfer Mode
Media Access Control

4. When would the PPP be used?
IEA RS232 - V.35. Cat 5 - RJ45
When require to communicate between different vendors across the same serial link.
Logicial Link Control
Transport layer.

5. What does the acronym 'PPPoA' stand for?
Point-to-Point Protocol over ATM
Network layer.
International Standards Organization
MAC SubLayer - LLC SubLayer

6. What is layer 1 of the OSI model?
Session layer.
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.
Provide a model to discribe how data moves from source device to destination device.

7. What is layer 6 of the OSI model?
Presentation layer.
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
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
High Level Data Link Control

8. Frame Relay
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Asynchronous Transfer Mode
Session layer.
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

9. What are are the 'Sub Layers' of the 'Data Link' Layer?
Local Area Network
Physical - Data Link. Network - Transport
Data Flow layers.
MAC SubLayer - LLC SubLayer

10. 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
Provide a model to discribe how data moves from source device to destination device.
Data Link layer.

11. What are the first 4 layers of the OSI model called?
International Standards Organization
Session layer.
Data Flow layers.
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology

12. How bits are in a MAC address?
Physical - Data Link. Network - Transport
Presentation layer.
48 Bits
High Level Data Link Control

13. 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
Theoretical
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 Link layer.

14. What does the acronym 'ATM' 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
Physical layer.
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Asynchronous Transfer Mode

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

16. What is ATM?
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
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.
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.

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

18. What does the acronym 'ISDN' stand for?
Network layer.
ISDN - Integrated Services Digital Network
Provide a model to discribe how data moves from source device to destination device.
IEA RS232 - V.35. Cat 5 - RJ45

19. What does the acronym 'LLC' stand for?
Wide Area Network
Logicial Link Control
Cables - Pins - Electrical Signals
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

20. Which OSI model layer is concerned with MAC addresses?
Physical Layer
Layer 2 - The Data Link layer.
Point to Point
Wide Area Network

21. What is layer 4 of the OSI model?
Cables - Pins - Electrical Signals
Theoretical
Transport layer.
Physical Layer

22. What does the acronym 'PPP' stand for?
Media Access Control
Network layer.
Point to Point
Data Flow layers.

23. What does the acronym 'ISO' stand for?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
The hardware that implements the MAC.
International Standards Organization
High Level Data Link Control

24. What is the 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
48 bit address used to identify networking cards and appliances
Data Link layer.
Physical layer.

25. Where does troublingshooting alway start?
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Hardware address - Ethernet address - BIA - Burned in Address
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.

26. What is the Physical Layer responsible for?

27. How many Layers in the OSI Model?
Presentation layer.
High-Level Data Link Control
IEA RS232 - V.35. Cat 5 - RJ45
Seven

28. What does the acronym 'WAN' 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
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Wide Area Network
Transport layer.

29. What is the EIA/TIA 232 protocol concerned with?
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
ISDN - Integrated Services Digital Network
Seven
Layer 1 Protocol having to do with serial communication

30. What are some examples of 'LAN' side Datalink Layer Protocols and Standards?
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
High-Level Data Link Control
Physical layer.
48 bit address used to identify networking cards and appliances

31. What is the difference between the TCP and UDP protocols?
Cables - Pins - Electrical Signals
Open Source Interconnect
Physical - Data Link. Network - Transport
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

32. What are other names for MAC address?
Presentation layer.
Media Access Control
Hardware address - Ethernet address - BIA - Burned in Address
Data Link layer.

33. What is layer 7 of the OSI model?
ISDN - Integrated Services Digital Network
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.
Asynchronous Transfer Mode

34. What is the 'LLC Layer' responsible for?
Seven
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
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

35. What is HDLC?
IEA RS232 - V.35. Cat 5 - RJ45
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
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

36. How does the third OSI model layer relate to administering routers?
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
When require to communicate between different vendors across the same serial link.
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination

37. What is the OSI model and why is it important in understanding networking?
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
Logicial Link Control
Asynchronous Transfer Mode

38. What protocols correspond to the Presentation and Session layers?
48 Bits
Asynchronous Transfer Mode
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
Network layer.

39. What are some examples of 'WAN' side 'Encapsulation' type Datalink Layer Protocols and Standards?
48 Bits
Physical layer.
Point to Point
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM

40. In an OSI context What is considered 'media'?
48 bit address used to identify networking cards and appliances
Cables - Pins - Electrical Signals
Asynchronous Transfer Mode
IEA RS232 - V.35. Cat 5 - RJ45

41. What are considered the Data Flow layers?
Transport layer.
Physical - Data Link. Network - Transport
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.
Cables - Pins - Electrical Signals

42. What does the acronym 'OSI' stand for?
Open Source Interconnect
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
48 bit address used to identify networking cards and appliances

43. OSI layers are...
ISDN - Integrated Services Digital Network
Media Access Control
Theoretical
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)

44. What does the acronym 'HDLC' stand for?
Hardware address - Ethernet address - BIA - Burned in Address
High-Level Data Link Control
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

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

46. What are some Physical Layer Protocols and Standards?
48 bit address used to identify networking cards and appliances
Provide a model to discribe how data moves from source device to destination device.
IEA RS232 - V.35. Cat 5 - RJ45
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)

47. What is layer 3 of the OSI model?
Media Access 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
Network layer.
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

48. What is the purpose 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
Provide a model to discribe how data moves from source device to destination device.

49. What does the acronym 'MAC' stand for?
Media Access Control
Physical - Data Link. Network - Transport
Theoretical
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology

50. What is the 'medium access controller'?
Session layer.
Point-to-Point Protocol over ATM
The hardware that implements the MAC.
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