Test your basic knowledge |

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

2. What does the acronym 'PPP' stand for?
Point to Point
IEA RS232 - V.35. Cat 5 - RJ45
Open Source Interconnect
The hardware that implements the MAC.

3. 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.
Data Link layer.
Application layer.
MAC SubLayer - LLC SubLayer

4. When would the PPP be used?
When require to communicate between different vendors across the same serial link.
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
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination

5. What is the MAC address?
48 bit address used to identify networking cards and appliances
Point-to-Point Protocol over ATM
Data Link layer.
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

6. How many Layers in the OSI Model?
Presentation layer.
High Level Data Link Control
Physical Layer
Seven

7. What are are the 'Sub Layers' of the 'Data Link' Layer?
Transport layer.
MAC SubLayer - LLC SubLayer
IEA RS232 - V.35. Cat 5 - RJ45
Open Source Interconnect

8. Which OSI model layer is concerned with MAC addresses?
Asynchronous Transfer Mode
Presentation layer.
Layer 2 - The Data Link layer.
Media Access Control

9. What does the acronym 'PPPoA' stand for?
High-Level Data Link Control
Session layer.
Point-to-Point Protocol over ATM
Media Access Control

10. What is layer 5 of the OSI model?
Wide Area Network
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Open Source Interconnect
Session layer.

11. What is layer 7 of the OSI model?
48 Bits
Application layer.
Point-to-Point Protocol over ATM
Theoretical

12. What is the 'LLC Layer' responsible for?
Open Source Interconnect
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
Network layer.
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

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

14. OSI layers are...
Theoretical
High-Level Data Link Control
Network layer.
48 bit address used to identify networking cards and appliances

15. 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
When require to communicate between different vendors across the same serial link.
Point-to-Point Protocol over ATM

16. What does the acronym 'LLC' 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.
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
Session layer.

17. What does the acronym 'HDLC' stand for?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Seven
High-Level Data Link Control
Logicial Link Control

18. What does the acronym default 'HDLC' protocol stand for?
Seven
Transport layer.
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

19. 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
Data Flow layers.
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Application layer.

20. 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
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Data Flow layers.
Wide Area Network

21. What are the first 4 layers of the OSI model called?
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 Flow layers.
ISDN - Integrated Services Digital Network
The hardware that implements the MAC.

22. What is the Mnemonic phrase for remembering OSI layers ordered 7 to 1?
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
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.
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
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)

23. What is ATM?
48 Bits
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.
Asynchronous Transfer Mode

24. What is the purpose of the OSI Model?
Layer 2 - The Data Link layer.
Transport layer.
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
Provide a model to discribe how data moves from source device to destination device.

25. What does the acronym 'ISO' stand for?
International Standards Organization
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
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
High-Level Data Link Control

26. What is layer 6 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.
Presentation layer.
Data Link layer.
Provide a model to discribe how data moves from source device to destination device.

27. What are some Physical Layer Protocols and Standards?
MAC SubLayer - LLC SubLayer
Transport layer.
Local Area Network
IEA RS232 - V.35. Cat 5 - RJ45

28. What is layer 3 of the OSI model?
Local Area Network
Point-to-Point Protocol over ATM
Network layer.
Presentation layer.

29. What is the Physical Layer responsible for?

30. How does the third OSI model layer relate to administering routers?
Network layer.
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Physical 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

31. What is the 'MAC Layer' responsible for?
ISDN - Integrated Services Digital Network
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Point to Point
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

32. How bits are in a MAC address?
Logicial Link Control
IEA RS232 - V.35. Cat 5 - RJ45
48 Bits
Layer 2 - The Data Link layer.

33. Frame Relay
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)
High-Level Data Link Control
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

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

35. 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
Theoretical
48 bit address used to identify networking cards and appliances
High Level Data Link Control

36. What are considered the Data Flow layers?
Network layer.
Physical - Data Link. Network - Transport
MAC SubLayer - LLC SubLayer
High-Level Data Link Control

37. What does the acronym 'LAN' stand for?
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Hardware address - Ethernet address - BIA - Burned in Address
Local Area Network
Cables - Pins - Electrical Signals

38. What is HDLC?
Provide a model to discribe how data moves from source device to destination device.
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
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
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination

39. What does the acronym 'OSI' stand for?
Point-to-Point Protocol over ATM
Hardware address - Ethernet address - BIA - Burned in Address
Open Source Interconnect
IEA RS232 - V.35. Cat 5 - RJ45

40. What is layer 4 of the OSI model?
Wide Area Network
Transport layer.
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Provide a model to discribe how data moves from source device to destination device.

41. What is the 'medium access controller'?
Cables - Pins - Electrical Signals
ISDN - Integrated Services Digital Network
The hardware that implements the MAC.
High-Level Data Link Control

42. 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)
Logicial Link Control
Application layer.
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)

43. What is layer 1 of the OSI model?
Asynchronous Transfer Mode
Logicial Link Control
Physical 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.

44. What does the acronym 'ATM' stand for?
Local Area Network
Asynchronous Transfer Mode
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.

45. What are the advantages of the OSI model?
Point to Point
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Data Link 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

46. Where does troublingshooting alway start?
Logicial Link Control
Physical Layer
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
The hardware that implements the MAC.

47. What does the acronym 'MAC' stand for?
Media Access Control
Asynchronous Transfer Mode
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Provide a model to discribe how data moves from source device to destination device.

48. What does the acronym 'WAN' stand for?
IEA RS232 - V.35. Cat 5 - RJ45
Data Link layer.
Wide Area Network
Provide a model to discribe how data moves from source device to destination device.

49. In an OSI context What is considered 'media'?
Cables - Pins - Electrical Signals
High Level Data Link Control
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Open Source Interconnect

50. What are some examples of 'WAN' side 'Encapsulation' type Datalink Layer Protocols and Standards?
48 Bits
Layer 2 - The Data Link layer.
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Local Area Network