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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 layer 7 of the OSI model?
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Application layer.
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
48 bit address used to identify networking cards and appliances

2. What are some examples of 'WAN' side 'Encapsulation' type Datalink Layer Protocols and Standards?
Logicial Link Control
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Open Source Interconnect

3. What does the acronym 'LAN' stand for?
Logicial Link Control
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
Local Area Network

4. What is layer 5 of the OSI model?
When require to communicate between different vendors across the same serial link.
Application layer.
48 Bits
Session layer.

5. What is the EIA/TIA 232 protocol concerned with?
Theoretical
Physical layer.
Layer 1 Protocol having to do with serial communication
Transport layer.

6. What is the Physical Layer responsible for?

7. OSI layers are...
Transport layer.
International Standards Organization
High Level Data Link Control
Theoretical

8. What is the Mnemonic phrase for remembering OSI layers ordered 7 to 1?
Point to Point
Application layer.
Open Source Interconnect
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)

9. What are the first 4 layers of the OSI model called?
Asynchronous Transfer Mode
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
Data Flow layers.

10. What is the purpose of the OSI Model?
When require to communicate between different vendors across the same serial link.
The hardware that implements the MAC.
Transport layer.
Provide a model to discribe how data moves from source device to destination device.

11. What is layer 1 of the OSI model?
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Physical layer.
Application layer.
Theoretical

12. How does the third OSI model layer relate to administering routers?
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
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
Point-to-Point Protocol over ATM

13. What does the acronym 'WAN' 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
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.
Wide Area Network
Layer 1 Protocol having to do with serial communication

14. Which OSI model layer is concerned with MAC addresses?
Network layer.
Physical - Data Link. Network - Transport
Layer 2 - The Data Link 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

15. What are considered the Data Flow layers?
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Media Access Control
Physical - Data Link. Network - Transport
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

16. What does the acronym 'ISO' stand for?
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
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
International Standards Organization

17. What are are the 'Sub Layers' of the 'Data Link' Layer?
MAC SubLayer - LLC SubLayer
Cables - Pins - Electrical Signals
International Standards Organization
When require to communicate between different vendors across the same serial link.

18. What does the acronym 'PPPoA' stand for?
Point-to-Point Protocol over ATM
International Standards Organization
High Level Data Link Control
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM

19. What does the acronym 'ISDN' stand for?
ISDN - Integrated Services Digital Network
Asynchronous Transfer Mode
48 Bits
Seven

20. What does the acronym 'PPP' stand for?
High Level Data Link Control
Presentation layer.
Point to Point
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

21. What are the advantages of the OSI model?
When require to communicate between different vendors across the same serial link.
International Standards Organization
ISDN - Integrated Services Digital Network
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology

22. Frame Relay
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
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
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. What is the Mnemonic phrase for remembering OSI layers ordered 1 to 7?
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
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
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
The hardware that implements the MAC.

24. What does the acronym 'MAC' stand for?
The hardware that implements the MAC.
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
Media Access Control
When require to communicate between different vendors across the same serial link.

25. What are other names for MAC address?
Hardware address - Ethernet address - BIA - Burned in Address
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Network layer.
Data Link layer.

26. What is the OSI model and why is it important in understanding networking?
ISDN - Integrated Services Digital Network
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
High-Level Data Link Control
Seven

27. What is layer 4 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.
High-Level Data Link Control
MAC SubLayer - LLC SubLayer
Transport layer.

28. In an OSI context What is considered 'media'?
Data Link layer.
IEA RS232 - V.35. Cat 5 - RJ45
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
Cables - Pins - Electrical Signals

29. What does the acronym 'HDLC' stand for?
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
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
48 bit address used to identify networking cards and appliances
High-Level Data Link Control

30. 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
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Point to Point
Cables - Pins - Electrical Signals

31. What is layer 3 of the OSI model?
Hardware address - Ethernet address - BIA - Burned in Address
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
Network layer.

32. What is the difference between the TCP and UDP protocols?
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
IEA RS232 - V.35. Cat 5 - RJ45

33. What does the acronym 'ATM' stand for?
Presentation layer.
Data Flow layers.
Asynchronous Transfer Mode
International Standards Organization

34. What is layer 6 of the OSI model?
When require to communicate between different vendors across the same serial link.
Presentation layer.
Session layer.
48 Bits

35. 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.
Layer 2 - The Data Link layer.
Logicial Link Control
48 Bits

36. 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
48 Bits
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.

37. What are some Physical Layer Protocols and Standards?
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
48 bit address used to identify networking cards and appliances
Local Area Network

38. Where does troublingshooting alway start?
Physical Layer
Network layer.
Media Access Control
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

39. How many Layers in the OSI Model?
Seven
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
ISDN - Integrated Services Digital Network
Point-to-Point Protocol over ATM

40. What are some examples of 'LAN' side Datalink Layer Protocols and Standards?
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
Physical layer.
Physical Layer

41. When would the PPP be used?
Layer 1 Protocol having to do with serial communication
When require to communicate between different vendors across the same serial link.
Seven
International Standards Organization

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

43. 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
Transport 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
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)

44. What is the MAC address?
The hardware that implements the MAC.
48 bit address used to identify networking cards and appliances
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Open Source Interconnect

45. What is the 'MAC Layer' responsible for?
High Level Data Link Control
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Wide Area Network
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. What does the acronym default 'HDLC' protocol stand for?
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
Local Area Network
Network layer.

47. What does the acronym 'OSI' stand for?
High Level Data Link Control
Provide a model to discribe how data moves from source device to destination device.
Wide Area Network
Open Source Interconnect

48. What is layer 2 of the OSI model?
Data Link layer.
Logicial Link Control
Open Source Interconnect
MAC SubLayer - LLC SubLayer

49. What is ATM?
Seven
Asynchronous Transfer Mode
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
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.

50. What is the 'medium access controller'?
Session layer.
Presentation layer.
The hardware that implements the MAC.
When require to communicate between different vendors across the same serial link.