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Cisco Prep

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. This layer supports flow control and sequencing.
Network
D8:1B:3D:76
Transport
Bridge or switch

2. Which layer segments and reassembles data into a data stream?
Transport
Fiber-opticcable
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Hub

3. Why does the data communication industry use the layered OSI reference model? (Name two)
198.211.57.209
Transport
Data Link (LLC sublayer)
It divides the network communication process into smaller and simpler components - thus aiding component development - design - and troubleshooting. It encourages industry standardization by defining what functions occur at each layer of the model.

4. Which layer is represented by bits?
Buffering - windowing - congestion avoidance
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
The Physical layer takes frames from the Data Link layer and encodes the 1s and 0s into a digital signal for transmission on the network medium.
Transport

5. What is the purpose of flow control?
Segments - packets - frames - bits
Data Link & Physical
To provide a means for the receiver to govern the amount of data sent by the sender.
Packet switching - Packet filtering - Internetwork communication - Path selection

6. This device breaks up collision domains and broadcast domains.
00001010.00001011.00001100.01100011
Data Link (LLC sublayer)
Router
Source and destination MAC address and FCS field

7. Convert 192.168.10.15 to binary format.
11000000.10101000.00001010.00001111
The Transport layer user virtual circuits to create a reliable connection between two hosts.
In a CSMA/CD collision domain - stations must wait until the media is not in use before transmitting. After a collision - all stations run a random backoff algorithm. When the backoff delay period has expired - all stations have equal priority to tra
Hub and repeater

8. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
CA:F5:83:EB
11000000.10101000.00001010.00001111
Fiber-opticcable
132.210.184.166

9. This layer uses service access points.
It divides the network communication process into smaller and simpler components - thus aiding component development - design - and troubleshooting. It encourages industry standardization by defining what functions occur at each layer of the model.
The Network layer provides logical addressing - typically IP addressing and routing.
Data Link (LLC sublayer)
The Physical layer takes frames from the Data Link layer and encodes the 1s and 0s into a digital signal for transmission on the network medium.

10. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
198.211.57.209
RJ45 UTP rolled cable.
11000000.10101000.00001010.00001111
The Application layer is responsible for finding the network resources broadcast from a server and adding flow control and error control (if the application developer chooses).

11. Which layer is responsible for keeping the data from different applications separate on the network?

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12. This device creates one big collision domain and one large broadcast domain.
Bridge or switch
The Session layer creates sessions between different hosts' applications.
Hub
Network

13. Convert 172.16.20.55 to binary format.
Buffering - windowing - congestion avoidance
The Network layer provides routing through an internetwork and logical addressing.
The Application layer is responsible for finding the network resources broadcast from a server and adding flow control and error control (if the application developer chooses).
10101100.00010000.00010100.00110111

14. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
RJ45 UTP rolled cable.
To create more collision domains and to add more bandwidth for users.
3 - 2 - 1 - none
The Physical layer is responsible for the electrical and mechanical connections between devices.

15. Which layer is responsible for creating - managing - and terminating sessions between applications?
Packet switching - Packet filtering - Internetwork communication - Path selection
The Session layer creates sessions between different hosts' applications.
Bridge or switch
The Session layer sets up - maintains - and terminates sessions between applications.

16. What are two purposes for segmentation with a bridge?
The Network layer creates packets out of segments handed down from the Transport layer.
To create more collision domains and to add more bandwidth for users.
Source and destination MAC address and FCS field
The Network layer provides logical addressing - typically IP addressing and routing.

17. Ethernet is defined at these layers.
Transport
Switch or bridge
The Physical layer is responsible for the electrical and mechanical connections between devices.
Data Link & Physical

18. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
It divides the network communication process into smaller and simpler components - thus aiding component development - design - and troubleshooting. It encourages industry standardization by defining what functions occur at each layer of the model.
183/B7
Segments - packets - frames - bits
Switch or bridge

19. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
Hub
D8:1B:3D:76
CA:F5:83:EB
198.211.57.209

20. This device creates many smaller collision domains - but the network is still one large broadcast domain.
The Presentation layer makes sure that data is in a readable format for the Application layer.
The Application layer is responsible for finding the network resources broadcast from a server and adding flow control and error control (if the application developer chooses).
Switch or bridge
RJ45 UTP rolled cable.

21. Which layer is represented by segments?
The Transport layer segments user data.
10101100.00010000.00010100.00110111
The Session layer sets up - maintains - and terminates sessions between applications.
183/B7

22. Segmentation of a data stream happens at which layer of the OSI model?
Switch or bridge
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Buffering - windowing - congestion avoidance
Transport

23. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
RJ45 UTP rolled cable.
The Data Link layer is responsible for the framing of data packets.
D8:1B:3D:76
Packet switching - Packet filtering - Internetwork communication - Path selection

24. This device sends and receives information about the Network layer.
Router
10101100.00010000.00010100.00110111
Data Link (LLC sublayer)
Network

25. Which layer is represented by frames?
The Physical layer is responsible for the electrical and mechanical connections between devices.
CA:F5:83:EB
The Data Link layer frames packets received from the Network layer.
The Application layer is responsible for finding the network resources broadcast from a server and adding flow control and error control (if the application developer chooses).

26. At which layer is routing implemented - enabling connections and path selection between two end systems?
204.51.170.85
132.210.184.166
Transport
The Network layer provides routing through an internetwork and logical addressing.

27. A receiving host has failed to receive all of the segments that it should acknowledge. What can the host do to improve the reliability of this communication session?
The Physical layer is responsible for the electrical and mechanical connections between devices.
The Network layer creates packets out of segments handed down from the Transport layer.
Router
Decrease the window size.

28. Which layer is represented by packets?
183/B7
The Physical layer is responsible for the electrical and mechanical connections between devices.
The Network layer creates packets out of segments handed down from the Transport layer.
Decrease the window size.

29. This device can measure the distance to a remote network.
Data Link
Packet switching - Packet filtering - Internetwork communication - Path selection
Router
In a CSMA/CD collision domain - stations must wait until the media is not in use before transmitting. After a collision - all stations run a random backoff algorithm. When the backoff delay period has expired - all stations have equal priority to tra

30. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
84:D2:43:B3
Data Link
The Presentation layer makes sure that data is in a readable format for the Application layer.
To create more collision domains and to add more bandwidth for users.

31. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
Switch to switch - host to host - switch to host
Data Link (LLC sublayer)
11000000.10101000.00001010.00001111
84:D2:43:B3

32. Which layer ensures the trustworthy transmission of data across a physical link and is primarily concerned with physical addressing - line discipline - network topology - error notification - ordered delivery of frames - and flow control?
Hub
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
It divides the network communication process into smaller and simpler components - thus aiding component development - design - and troubleshooting. It encourages industry standardization by defining what functions occur at each layer of the model.
Data Link & Physical

33. Which layer chooses and determines the availability of communicating partners along with the resources necessary to make the connection - coordinates partnering applications - and forms a consensus on procedures for controlling data integrity and err
The Application layer is responsible for finding the network resources broadcast from a server and adding flow control and error control (if the application developer chooses).
10101100.00010000.00010100.00110111
The Network layer creates packets out of segments handed down from the Transport layer.
Hub

34. Which two fields are contained within an IEEE Ethernet frame header?
132.210.184.166
Network
Source and destination MAC address and FCS field
The Network layer provides routing through an internetwork and logical addressing.

35. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
Decrease the window size.
The Presentation layer makes sure that data is in a readable format for the Application layer.
Transport
The Physical layer takes frames from the Data Link layer and encodes the 1s and 0s into a digital signal for transmission on the network medium.

36. This layer creates a virtual circuit before transmitting between two end stations.
198.211.57.209
Router
Transport
Fiber-opticcable

37. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
204.51.170.85
RJ45 UTP rolled cable.
Hub
The Session layer creates sessions between different hosts' applications.

38. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
132.210.184.166
Router
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Layer 4

39. Convert 10.11.12.99 to binary format.
00001010.00001011.00001100.01100011
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Router
The Session layer creates sessions between different hosts' applications.

40. This device uses hardware addresses to filter a network.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
The Physical layer takes frames from the Data Link layer and encodes the 1s and 0s into a digital signal for transmission on the network medium.
Packet switching - Packet filtering - Internetwork communication - Path selection
Bridge or switch

41. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
Router
The Application layer is responsible for finding the network resources broadcast from a server and adding flow control and error control (if the application developer chooses).
132.210.184.166
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

42. Which of the following are 3 common types of flow control?
Hub and repeater
RJ45 UTP crossover cable.
Data - segment - packet - frame - bit
Buffering - windowing - congestion avoidance

43. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
The Data Link layer is responsible for the framing of data packets.
Transport
198.211.57.209
183/B7

44. Which layer provides logical addressing that routers will use for path determination?
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Data - segment - packet - frame - bit
11000000.10101000.00001010.00001111
The Network layer provides logical addressing - typically IP addressing and routing.

45. This device can never run full duplex.
Switch or bridge
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
RJ45 UTP rolled cable.
Hub

46. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
Hub and repeater
Source and destination MAC address and FCS field
The Network layer provides logical addressing - typically IP addressing and routing.
RJ45 UTP rolled cable.

47. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
Packet switching - Packet filtering - Internetwork communication - Path selection
Data Link & Physical
Network
11000000.10101000.00001010.00001111

48. What type of RJ45 UTP cable is used between switches?
Switch to switch - host to host - switch to host
Network
RJ45 UTP crossover cable.
Router

49. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
Decrease the window size.
The Data Link layer is responsible for the framing of data packets.
RJ45 UTP crossover cable.
183/B7

50. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
Buffering - windowing - congestion avoidance
Layer 4
Transport
The Presentation layer makes sure that data is in a readable format for the Application layer.