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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 'HDLC' stand for?
48 bit address used to identify networking cards and appliances
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
Session layer.
High-Level Data Link Control

2. How many Layers in the OSI Model?
Seven
Application layer.
Theoretical
International Standards Organization

3. When would the PPP be used?
Media Access Control
When require to communicate between different vendors across the same serial link.
Network layer.
Seven

4. What is HDLC?
Session 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
Point to Point
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

5. What does the acronym 'ISO' stand for?
IEA RS232 - V.35. Cat 5 - RJ45
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
International Standards Organization
Wide Area Network

6. What is the MAC address?
Data Flow layers.
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
48 bit address used to identify networking cards and appliances
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

7. What is the Physical Layer responsible for?

8. What does the acronym 'ISDN' stand for?
Physical Layer
Media Access Control
ISDN - Integrated Services Digital Network
Theoretical

9. What are considered the Data Flow layers?
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Theoretical
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
Physical - Data Link. Network - Transport

10. What are other names for MAC address?
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
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Hardware address - Ethernet address - BIA - Burned in Address

11. What does the acronym 'MAC' stand for?
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Asynchronous Transfer Mode
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
Media Access Control

12. What are are the 'Sub Layers' of the 'Data Link' Layer?
High-Level Data Link Control
IEA RS232 - V.35. Cat 5 - RJ45
MAC SubLayer - LLC SubLayer
Physical layer.

13. What is the OSI model and why is it important in understanding networking?
Physical layer.
Point to Point
All People Seem To Need Data Processing (Application - Presentation - Session - Transport - Network - Data Link - Physical)
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

14. What does the acronym 'PPP' stand for?
International Standards Organization
Point to Point
Wide Area Network
High Level Data Link Control

15. What is ATM?
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.
Transport layer.
Cables - Pins - Electrical Signals

16. What is the EIA/TIA 232 protocol concerned with?
Local Area Network
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
Layer 1 Protocol having to do with serial communication
Point-to-Point Protocol over ATM

17. What are the advantages of the OSI model?
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.
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Seven

18. What are the first 4 layers of the OSI model called?
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.
Data Flow layers.
Physical layer.

19. What is layer 4 of the OSI model?
Physical 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.
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
Transport layer.

20. What is layer 1 of the OSI model?
Physical layer.
Local Area Network
Session layer.
MAC SubLayer - LLC SubLayer

21. What is layer 3 of the OSI model?
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
Network layer.
48 Bits
High Level Data Link Control

22. Where does troublingshooting alway start?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Physical Layer
Logicial Link Control
High-Level Data Link Control

23. What does the acronym 'ATM' stand for?
Point to Point
Asynchronous Transfer Mode
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

24. In an OSI context What is considered 'media'?
Theoretical
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Cables - Pins - Electrical Signals
Wide Area Network

25. Which OSI model layer is concerned with MAC addresses?
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Wide area network technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology
Point-to-Point Protocol over ATM
Layer 2 - The Data Link layer.

26. What is the 'medium access controller'?
The hardware that implements the MAC.
48 bit address used to identify networking cards and appliances
Cables - Pins - Electrical Signals
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. How does the third OSI model layer relate to administering routers?
Presentation layer.
Session layer.
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination
Media Access Control

28. What are some examples of 'LAN' side Datalink Layer Protocols and Standards?
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless
Presentation layer.
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

29. What is layer 2 of the OSI model?
Provides a standard for hardware development - Allows modular SW development - Facilitates rapid development of new technology
Physical layer.
Seven
Data Link layer.

30. What does the acronym 'LLC' stand for?
Logicial Link Control
Seven
ISDN - Integrated Services Digital Network
Media Access Control

31. What is the difference between the TCP and UDP protocols?
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
Layer 1 Protocol having to do with serial communication
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

32. What does the acronym 'LAN' 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
Application layer.
High Level Data Link Control
Local Area Network

33. What is the Mnemonic phrase for remembering OSI layers ordered 1 to 7?
Network layer.
Please Do Not Throw Sausage Pizza Away (Physical - Data Link - Network - Transport - Session - Presentation - Application)
Layer 2 - The Data Link layer.
48 Bits

34. What does the acronym 'PPPoA' stand for?
Cables - Pins - Electrical Signals
Point-to-Point Protocol over ATM
International Standards Organization
Hardware address - Ethernet address - BIA - Burned in Address

35. How bits are in a MAC address?
Asynchronous Transfer Mode
Theoretical
48 Bits
802.2 - Logical Link Control - 802.3 - Ethernet - 802.5 - Token Ring - 802.11 - Wireless

36. What is layer 5 of the OSI model?
Open Source Interconnect
High Level Data Link Control
Session layer.
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM

37. What are some examples of 'WAN' side 'Encapsulation' type Datalink Layer Protocols and Standards?
HDLC - High Level Data Link Control - PPP - Point to Point - Frame Relay - ISDN - ATM
Asynchronous Transfer Mode
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

38. Frame Relay
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
Application layer.

39. OSI layers are...
Physical - Data Link. Network - Transport
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
Wide Area Network
Theoretical

40. What does the acronym 'OSI' stand for?
Open Source Interconnect
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.
When require to communicate between different vendors across the same serial link.
Data Flow layers.

41. What are some Physical Layer Protocols and Standards?
48 bit address used to identify networking cards and appliances
IEA RS232 - V.35. Cat 5 - RJ45
Transport layer.
Session layer.

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

43. What protocols correspond to the Presentation and Session layers?
48 bit address used to identify networking cards and appliances
TCP: Connection oriented - High reliability - High overhead - UDP: Conectionless - Low reliability - Low overhead
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
Presentation layer.

44. What does the acronym default 'HDLC' protocol stand for?
Logicial Link Control
Layer 2 - The Data Link layer.
Data Flow layers.
High Level Data Link Control

45. 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)
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
Cables - Pins - Electrical Signals

46. What is the 'LLC Layer' responsible for?
Seven
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
Open Source Interconnect
High-Level Data Link Control

47. What is the purpose of the OSI Model?
Physical layer.
Provide a model to discribe how data moves from source device to destination device.
Media Access Control
The third layer is the networking layer which is responsible for routing packets across the network to ther=ir destination

48. What does the acronym 'WAN' stand for?
Theoretical
ISDN - Integrated Services Digital Network
Wide Area 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

49. What is layer 7 of the OSI model?
Application layer.
Transport layer.
Open Source Interconnect
Moving 'Bits' from 'Source' device to 'Destination' device across 'Media'.

50. What is layer 6 of the OSI model?
Local Area Network
MAC SubLayer - LLC SubLayer
Point-to-Point Protocol over ATM
Presentation layer.