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. When would the PPP be used?
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.
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
When require to communicate between different vendors across the same serial link.

2. How bits are in a MAC address?
48 Bits
Physical - Data Link. Network - Transport
48 bit address used to identify networking cards and appliances
Session layer.

3. What are some examples of 'LAN' side Datalink Layer Protocols and Standards?
High-Level Data Link Control
Seven
Provide a model to discribe how data moves from source device to destination device.
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

4. In an OSI context What is considered 'media'?
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
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
IEA RS232 - V.35. Cat 5 - RJ45
Cables - Pins - Electrical Signals

5. What is the Mnemonic phrase for remembering OSI layers ordered 1 to 7?
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 third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Cables - Pins - Electrical Signals
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

6. What is layer 4 of the OSI model?
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
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Transport layer.

7. What is layer 2 of the OSI model?
48 Bits
Wide Area Network
Data Link layer.
Media Access 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
MAC SubLayer - LLC SubLayer
Transport layer.
Physical layer.

9. What are other names for MAC address?
Network layer.
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
Hardware address - Ethernet address - BIA - Burned in Address

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

11. What does the acronym 'ISDN' stand for?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
ISDN - Integrated Services Digital 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
Presentation layer.

12. What are considered the Data Flow layers?
Media Access Control
Physical - Data Link. Network - Transport
High Level Data Link Control
Local Area Network

13. What does the acronym 'PPPoA' stand for?
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
ISDN - Integrated Services Digital Network
Point-to-Point Protocol over ATM
48 Bits

14. 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
Point to Point
48 Bits
IEA RS232 - V.35. Cat 5 - RJ45

15. What is 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.
Open Source Interconnect
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Logicial Link Control

16. What is the EIA/TIA 232 protocol concerned with?
Transport layer.
Hardware address - Ethernet address - BIA - Burned in Address
Layer 1 Protocol having to do with serial communication
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

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
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
Application layer.
Layer 2 - The Data Link layer.

18. What is layer 7 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.
Application layer.
Transport layer.
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

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)
48 bit address used to identify networking cards and appliances
Transport layer.
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

20. Where does troublingshooting alway start?
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.
Physical Layer
Hardware address - Ethernet address - BIA - Burned in Address

21. What does the acronym 'LAN' stand for?
Theoretical
Local 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

22. OSI layers are...
Seven
Physical Layer
Theoretical
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

23. What is layer 6 of the OSI model?
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Presentation layer.
ISDN - Integrated Services Digital Network
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

24. What are the first 4 layers of the OSI model called?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Data Flow layers.
Local Area Network
Transport layer.

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

26. How does the third OSI model layer relate to administering routers?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Point-to-Point Protocol over ATM
Layer 2 - The Data Link layer.
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination

27. How many Layers in the OSI Model?
Seven
Point to Point
MAC SubLayer - LLC SubLayer
Data Flow layers.

28. Which OSI model layer is concerned with MAC addresses?
Layer 2 - The Data Link 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
Seven
IEA RS232 - V.35. Cat 5 - RJ45

29. What does the acronym 'WAN' stand for?
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Wide Area Network
Point to Point
Session layer.

30. What are some Physical Layer Protocols and Standards?
Point-to-Point Protocol over 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.
IEA RS232 - V.35. Cat 5 - RJ45
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology

31. What does the acronym 'ATM' stand for?
Cables - Pins - Electrical Signals
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Asynchronous Transfer Mode
MAC SubLayer - LLC SubLayer

32. What does the acronym 'PPP' stand for?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
48 Bits
48 bit address used to identify networking cards and appliances
Point to Point

33. What is the 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.
Physical layer.
48 bit address used to identify networking cards and appliances
Cables - Pins - Electrical Signals

34. What does the acronym 'LLC' stand for?
Hardware address - Ethernet address - BIA - Burned in Address
Logicial 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
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM

35. What does the acronym default 'HDLC' protocol stand for?
Point to Point
High Level Data Link Control
ISDN - Integrated Services Digital Network
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

36. 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
Physical Layer
Local Area Network
ISDN - Integrated Services Digital Network

37. What is the 'LLC Layer' responsible for?
Data Flow layers.
Layer 1 Protocol having to do with serial communication
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
Presentation layer.

38. What is the purpose of the OSI Model?
Provide a model to discribe how data moves from source device to destination device.
48 bit address used to identify networking cards and appliances
Layer 2 - The Data Link layer.
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

39. What are are the 'Sub Layers' of the 'Data Link' Layer?
Presentation layer.
MAC SubLayer - LLC SubLayer
Layer 2 - The Data Link layer.
When require to communicate between different vendors across the same serial link.

40. What is the Physical Layer responsible for?

41. What is the difference between the TCP and UDP protocols?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
When require to communicate between different vendors across the same serial link.
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

42. What does the acronym 'OSI' stand for?
Local 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
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Open Source Interconnect

43. What does the acronym 'ISO' stand for?
International Standards Organization
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
Layer 1 Protocol having to do with serial communication

44. What is the 'medium access controller'?
The hardware that implements the MAC.
Seven
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

45. What is layer 3 of the OSI model?
Theoretical
Network 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
Presentation layer.

46. What are the advantages of the OSI model?
Presentation layer.
When require to communicate between different vendors across the same serial link.
Data Flow layers.
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

47. What is HDLC?
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
Asynchronous Transfer Mode
MAC SubLayer - LLC SubLayer
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.

48. What is layer 1 of the OSI model?
High Level Data Link Control
ISDN - Integrated Services Digital Network
Network layer.
Physical layer.

49. What does the acronym 'HDLC' stand for?
Layer 1 Protocol having to do with serial communication
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
High-Level Data Link Control
MAC SubLayer - LLC SubLayer

50. What does the acronym 'MAC' stand for?
Point-to-Point Protocol over ATM
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Media Access Control
Wide Area Network