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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 difference between the TCP and UDP protocols?
Cables - Pins - Electrical Signals
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
High-Level Data Link Control
Logicial Link Control

2. What does the acronym 'PPPoA' stand for?
International Standards Organization
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Point-to-Point Protocol over ATM
Application layer.

3. What are the advantages of the OSI model?
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
IEA RS232 - V.35. Cat 5 - RJ45
MAC SubLayer - LLC SubLayer

4. What does the acronym 'PPP' stand for?
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Physical - Data Link. Network - Transport
Physical Layer
Point to Point

5. What does the acronym 'ISDN' stand for?
Application layer.
Point-to-Point Protocol over ATM
ISDN - Integrated Services Digital Network
MAC SubLayer - LLC SubLayer

6. 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)
Layer 2 - The Data Link layer.
Asynchronous Transfer Mode
Theoretical

7. What does the acronym 'MAC' stand for?
Media Access Control
International Standards Organization
Physical layer.
Presentation layer.

8. What is layer 4 of the OSI model?
High-Level Data Link Control
Presentation layer.
Point-to-Point Protocol over ATM
Transport layer.

9. Where does troublingshooting alway start?
Presentation layer.
Session layer.
International Standards Organization
Physical Layer

10. What does the acronym default 'HDLC' protocol 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.
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
High Level Data Link Control
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology

11. How does the third OSI model layer relate to administering routers?
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
ISDN - Integrated Services Digital Network
The hardware that implements the MAC.
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination

12. 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.
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
Network layer.

13. Which OSI model layer is concerned with MAC addresses?
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)
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Layer 2 - The Data Link layer.

14. What are other names for MAC address?
IEA RS232 - V.35. Cat 5 - RJ45
Hardware address - Ethernet address - BIA - Burned in 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.
Data Flow layers.

15. What does the acronym 'ISO' stand for?
Layer 2 - The Data Link layer.
Provide a model to discribe how data moves from source device to destination device.
Cables - Pins - Electrical Signals
International Standards Organization

16. What does the acronym 'LAN' stand for?
Local Area Network
Asynchronous Transfer Mode
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

17. In an OSI context What is considered 'media'?
Layer 1 Protocol having to do with serial communication
Cables - Pins - Electrical Signals
Theoretical
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

18. What is the Mnemonic phrase for remembering OSI layers ordered 1 to 7?
Point to Point
Layer 1 Protocol having to do with serial communication
Local Area Network
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

19. What is the 'medium access controller'?
The hardware that implements the MAC.
Layer 1 Protocol having to do with serial communication
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Presentation layer.

20. What are considered the Data Flow layers?
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
Physical - Data Link. Network - Transport
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Wide Area Network

21. What is layer 5 of the OSI model?
Hardware address - Ethernet address - BIA - Burned in Address
Data Link layer.
Physical Layer
Session layer.

22. What does the acronym 'OSI' stand for?
Open Source Interconnect
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
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Physical - Data Link. Network - Transport

23. What is the purpose of the OSI Model?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
When require to communicate between different vendors across the same serial link.
Provide a model to discribe how data moves from source device to destination device.

24. What is ATM?
Provide a model to discribe how data moves from source device to destination device.
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.
Transport layer.
High-Level Data Link Control

25. What is the Physical Layer responsible for?

26. What is HDLC?
When require to communicate between different vendors across the same serial link.
48 Bits
International Standards Organization
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

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

28. What does the acronym 'ATM' stand for?
Provide a model to discribe how data moves from source device to destination device.
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
Asynchronous Transfer Mode
Physical layer.

29. What are the first 4 layers of the OSI model called?
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Data Flow layers.
Point-to-Point Protocol over ATM
High-Level Data Link Control

30. OSI layers are...
Open Source Interconnect
Data Link layer.
Application layer.
Theoretical

31. How bits are in a MAC address?
48 Bits
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
MAC SubLayer - LLC SubLayer
The hardware that implements the MAC.

32. Frame Relay
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
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

33. What is layer 2 of the OSI model?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Wide Area Network
Data Link layer.
Presentation layer.

34. What does the acronym 'WAN' stand for?
Physical - Data Link. Network - Transport
Cables - Pins - Electrical Signals
Layer 2 - The Data Link layer.
Wide Area Network

35. What are some examples of 'WAN' side 'Encapsulation' type Datalink Layer Protocols and Standards?
Provide a model to discribe how data moves from source device to destination device.
IEA RS232 - V.35. Cat 5 - RJ45
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Hardware address - Ethernet address - BIA - Burned in Address

36. What are some examples of 'LAN' side Datalink Layer Protocols and Standards?
Media Access Control
Seven
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
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

37. What is the EIA/TIA 232 protocol concerned with?
Layer 1 Protocol having to do with serial communication
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
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

38. What does the acronym 'HDLC' 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.
When require to communicate between different vendors across the same serial link.
IEA RS232 - V.35. Cat 5 - RJ45
High-Level Data Link Control

39. What protocols correspond to the Presentation and Session layers?
Hardware address - Ethernet address - BIA - Burned in Address
Point-to-Point Protocol over ATM
MAC SubLayer - LLC SubLayer
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

40. How many Layers in the OSI Model?
Point-to-Point Protocol over ATM
Seven
Cables - Pins - Electrical Signals
48 Bits

41. What is layer 1 of the OSI model?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Point to Point
Physical layer.
Data Link layer.

42. What is layer 7 of the OSI model?
Application layer.
Logicial Link Control
Session layer.
Layer 1 Protocol having to do with serial communication

43. What is layer 3 of the OSI model?
Theoretical
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Transport layer.
Network layer.

44. What is the 'MAC Layer' responsible for?
Local Area Network
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
Layer 2 - The Data Link layer.

45. What is layer 6 of the OSI model?
Open Source Interconnect
Presentation layer.
Provide a model to discribe how data moves from source device to destination device.
Physical layer.

46. When would the PPP be used?
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
Layer 2 - The Data Link layer.
Application layer.
When require to communicate between different vendors across the same serial link.

47. What does the acronym 'LLC' stand for?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
IEA RS232 - V.35. Cat 5 - RJ45
Logicial Link Control
Layer 2 - The Data Link layer.

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

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

50. What is the OSI model and why is it important in understanding networking?
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
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
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology