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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 does the acronym default 'HDLC' protocol stand for?
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
ISDN - Integrated Services Digital Network
When require to communicate between different vendors across the same serial link.

2. What protocols correspond to the Presentation and Session layers?
The hardware that implements the MAC.
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
Point-to-Point Protocol over ATM

3. What is HDLC?
Media Access 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
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Physical - Data Link. Network - Transport

4. What is the EIA/TIA 232 protocol concerned with?
Layer 1 Protocol having to do with serial communication
Media Access Control
Open Source Interconnect
Cables - Pins - Electrical Signals

5. 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.
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
48 bit address used to identify networking cards and appliances
Transport layer.

6. Which OSI model layer is concerned with MAC addresses?
Theoretical
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Layer 2 - The Data Link layer.
Hardware address - Ethernet address - BIA - Burned in Address

7. What are considered the Data Flow layers?
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Physical layer.
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

8. How bits are in a MAC address?
Presentation layer.
Data Link layer.
48 Bits
Hardware address - Ethernet address - BIA - Burned in Address

9. What is the purpose of the OSI Model?
Provide a model to discribe how data moves from source device to destination device.
Logicial Link Control
High Level Data Link Control
Session layer.

10. 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.
ISDN - Integrated Services Digital Network
IEA RS232 - V.35. Cat 5 - RJ45
Theoretical

11. How many Layers in the OSI Model?
Cables - Pins - Electrical Signals
Seven
ISDN - Integrated Services Digital Network
Physical layer.

12. What is layer 3 of the OSI model?
Media Access Control
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Asynchronous Transfer Mode
Network layer.

13. 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
International Standards Organization
Transport layer.
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

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
Network 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

15. What is layer 5 of the OSI model?
Point-to-Point Protocol over ATM
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.
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Session layer.

16. What does the acronym 'PPPoA' 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.
Point-to-Point Protocol over ATM
Physical Layer
Theoretical

17. What is layer 1 of the OSI model?
Layer 2 - The Data Link layer.
Physical 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
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

18. What does the acronym 'ISDN' stand for?
ISDN - Integrated Services Digital Network
48 Bits
Data Link layer.
Logicial Link Control

19. Where does troublingshooting alway start?
International Standards Organization
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 Layer
Transport layer.

20. What are the advantages of the OSI model?
High-Level Data Link Control
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
IEA RS232 - V.35. Cat 5 - RJ45

21. What are some examples of 'LAN' side Datalink Layer Protocols and Standards?
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Seven
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Physical - Data Link. Network - Transport

22. What does the acronym 'HDLC' stand for?
IEA RS232 - V.35. Cat 5 - RJ45
Session 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.
High-Level Data Link Control

23. OSI layers are...
Presentation layer.
Layer 1 Protocol having to do with serial communication
Theoretical
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

24. What is layer 6 of the OSI model?
Presentation layer.
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Data Flow layers.
Physical - Data Link. Network - Transport

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

26. What are some Physical Layer Protocols and Standards?
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
48 Bits
IEA RS232 - V.35. Cat 5 - RJ45
Session layer.

27. What are some examples of 'WAN' side 'Encapsulation' type Datalink Layer Protocols and Standards?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
When require to communicate between different vendors across the same serial link.
48 Bits

28. What is the difference between the TCP and UDP protocols?
Application layer.
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Physical Layer
Physical - Data Link. Network - Transport

29. What does the acronym 'OSI' stand for?
High-Level Data Link Control
48 Bits
Open Source Interconnect
Presentation layer.

30. What does the acronym 'ISO' stand for?
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
International Standards Organization
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 Bits

31. Frame Relay
Logicial Link Control
Media Access 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
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology

32. When would the PPP be used?
When require to communicate between different vendors across the same serial link.
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Seven
High Level Data Link Control

33. What does the acronym 'PPP' stand for?
Hardware address - Ethernet address - BIA - Burned in Address
Session layer.
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Point to Point

34. 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
When require to communicate between different vendors across the same serial link.
Wide Area Network
Transport layer.

35. What are the first 4 layers of the OSI model called?
Data Flow layers.
Session layer.
Layer 1 Protocol having to do with serial communication
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM

36. In an OSI context What is considered 'media'?
Application layer.
Cables - Pins - Electrical Signals
Layer 2 - The Data Link layer.
Asynchronous Transfer Mode

37. What is the MAC address?
Open Source Interconnect
Transport layer.
Point to Point
48 bit address used to identify networking cards and appliances

38. What is layer 7 of the OSI model?
IEA RS232 - V.35. Cat 5 - RJ45
Application layer.
Cables - Pins - Electrical Signals
48 bit address used to identify networking cards and appliances

39. What are other names for 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.
Transport layer.
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Hardware address - Ethernet address - BIA - Burned in Address

40. What is the OSI model and why is it important in understanding networking?
Session layer.
Provide a model to discribe how data moves from source device to destination device.
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
Asynchronous Transfer Mode

41. What is the Mnemonic phrase for remembering OSI layers ordered 1 to 7?
Transport 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.
Session layer.
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)

42. 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)
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
Data Flow layers.

43. What is layer 2 of the OSI model?
Point to Point
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
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

44. What does the acronym 'ATM' stand for?
Network layer.
Asynchronous Transfer Mode
Layer 2 - The Data Link layer.
Provide a model to discribe how data moves from source device to destination device.

45. What does the acronym 'LLC' stand for?
48 bit address used to identify networking cards and appliances
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Logicial Link Control
The hardware that implements the MAC.

46. What is the Physical Layer responsible for?

47. What does the acronym 'LAN' stand for?
Point-to-Point Protocol over ATM
Local Area Network
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.
MAC SubLayer - LLC SubLayer

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

49. What does the acronym 'MAC' stand for?
Media Access Control
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.
High-Level Data Link Control
MAC SubLayer - LLC SubLayer

50. What are are the 'Sub Layers' of the 'Data Link' Layer?
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
MAC SubLayer - LLC SubLayer
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
High-Level Data Link Control