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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?
Physical Layer
Asynchronous Transfer Mode
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
48 Bits

2. How bits are in a MAC address?
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
48 Bits
Cables - Pins - Electrical Signals

3. What is layer 3 of the OSI model?
Media Access Control
The hardware that implements the MAC.
Network layer.
Layer 2 - The Data Link layer.

4. What are are the 'Sub Layers' of the 'Data Link' Layer?
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
MAC SubLayer - LLC SubLayer
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
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

5. What is the MAC address?
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
48 bit address used to identify networking cards and appliances
MAC SubLayer - LLC SubLayer
Asynchronous Transfer Mode

6. What does the acronym 'ISDN' stand for?
ISDN - Integrated Services Digital Network
Wide Area Network
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
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.

7. What is layer 1 of the OSI model?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Local Area Network
Physical layer.
Layer 1 Protocol having to do with serial communication

8. 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)
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Physical Layer
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

9. What is layer 7 of the OSI model?
Session layer.
Application layer.
Theoretical
48 Bits

10. What does the acronym 'LAN' stand for?
When require to communicate between different vendors across the same serial link.
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'.
Local Area Network

11. What is layer 4 of the OSI model?
The hardware that implements the MAC.
Cables - Pins - Electrical Signals
Wide Area Network
Transport layer.

12. What is the purpose of the OSI Model?
Logicial Link Control
International Standards Organization
Provide a model to discribe how data moves from source device to destination device.
Network layer.

13. What does the acronym 'ISO' stand for?
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
International Standards Organization
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
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology

14. In an OSI context What is considered 'media'?
Data Flow layers.
Asynchronous Transfer Mode
Cables - Pins - Electrical Signals
48 Bits

15. What does the acronym 'HDLC' stand for?
International Standards Organization
High-Level Data Link Control
Application layer.
Data Flow layers.

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

17. What is the 'medium access controller'?
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
High Level Data Link Control
High-Level Data Link Control
The hardware that implements the MAC.

18. OSI layers are...
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
IEA RS232 - V.35. Cat 5 - RJ45
Theoretical
Physical layer.

19. What does the acronym 'PPPoA' 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
Point-to-Point Protocol over ATM
Provide a model to discribe how data moves from source device to destination device.
48 bit address used to identify networking cards and appliances

20. What does the acronym 'OSI' stand for?
Point to Point
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 - Data Link. Network - Transport
Open Source Interconnect

21. What is the 'MAC Layer' responsible for?
Session layer.
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
Wide Area Network

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

23. What are some examples of 'LAN' side Datalink Layer Protocols and Standards?
Data Link layer.
Session layer.
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Cables - Pins - Electrical Signals

24. 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
The hardware that implements the MAC.
Cables - Pins - Electrical Signals
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

25. What are some examples of 'WAN' side 'Encapsulation' type Datalink Layer Protocols and Standards?
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Theoretical
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 layer 6 of the OSI model?
Presentation layer.
Network layer.
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Point to Point

27. What does the acronym 'PPP' stand for?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Point to Point
Seven
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM

28. What are some Physical Layer Protocols and Standards?
IEA RS232 - V.35. Cat 5 - RJ45
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
High-Level Data Link Control
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.

29. What are the first 4 layers of the OSI model called?
Wide Area Network
High Level Data Link Control
Point-to-Point Protocol over ATM
Data Flow layers.

30. 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.
Physical Layer
Media Access Control
High Level Data Link Control

31. What is ATM?
48 Bits
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
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.

32. What does the acronym 'LLC' stand for?
High Level Data Link Control
Transport layer.
Presentation layer.
Logicial Link Control

33. What is layer 2 of the OSI model?
Presentation 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
Data Link layer.
Data Flow layers.

34. What protocols correspond to the Presentation and Session layers?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
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
Local Area Network

35. What does the acronym 'MAC' 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
Media Access Control
When require to communicate between different vendors across the same serial link.
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

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

37. What is layer 5 of the OSI model?
Session layer.
Data Link layer.
48 Bits
Theoretical

38. What is the Physical Layer responsible for?

39. Frame Relay
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
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
Network 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.

40. What is HDLC?
Wide Area Network
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
Application layer.

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

42. Where does troublingshooting alway start?
International Standards Organization
Physical layer.
Physical Layer
The hardware that implements the MAC.

43. What is the EIA/TIA 232 protocol concerned with?
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
Layer 1 Protocol having to do with serial communication
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

44. What are other names for MAC address?
Hardware address - Ethernet address - BIA - Burned in Address
Seven
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)

45. Which OSI model layer is concerned with MAC addresses?
Physical - Data Link. Network - Transport
IEA RS232 - V.35. Cat 5 - RJ45
Cables - Pins - Electrical Signals
Layer 2 - The Data Link layer.

46. What are the advantages of the OSI model?
Local Area Network
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
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
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead

47. 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
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
High Level Data Link Control
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

48. How does the third OSI model layer relate to administering routers?
Local Area Network
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
Physical Layer

49. What does the acronym 'ATM' stand for?
Media Access Control
Application layer.
Physical Layer
Asynchronous Transfer Mode

50. How many Layers in the OSI Model?
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
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Seven
High Level Data Link Control