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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. Which layer is responsible for creating - managing - and terminating sessions between applications?
The Session layer sets up - maintains - and terminates sessions between applications.
RJ45 UTP rolled cable.
The Physical layer is responsible for the electrical and mechanical connections between devices.
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

2. Name three types of connections that can use full duplex.
D8:1B:3D:76
132.210.184.166
Switch to switch - host to host - switch to host
The Session layer sets up - maintains - and terminates sessions between applications.

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

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4. Ethernet is defined at these layers.
Data Link & Physical
To create more collision domains and to add more bandwidth for users.
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 Transport layer user virtual circuits to create a reliable connection between two hosts.

5. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
The Data Link layer is responsible for the framing of data packets.
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.
Hub and repeater
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

6. Convert 192.168.10.15 to binary format.
48 bits (6 bytes)
3 - 2 - 1 - none
The Transport layer segments user data.
11000000.10101000.00001010.00001111

7. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
The Presentation layer makes sure that data is in a readable format for the Application layer.
Data Link & Physical
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
The Data Link layer is responsible for the framing of data packets.

8. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
The Network layer creates packets out of segments handed down from the Transport layer.
84:D2:43:B3
Router
00001010.00001011.00001100.01100011

9. Which two fields are contained within an IEEE Ethernet frame header?
D8:1B:3D:76
10101100.00010000.00010100.00110111
Source and destination MAC address and FCS field
Decrease the window size.

10. What is the bit length and expression form of a MAC address?
48 bits (6 bytes)
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
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Fiber-opticcable

11. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Switch or bridge
Router
The Data Link layer is responsible for the framing of data packets.
Fiber-opticcable

12. This device can never run full duplex.
Router
Hub
Data Link (LLC sublayer)
Layer 4

13. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
Hub
Switch to switch - host to host - switch to host
183/B7
Router

14. This layer uses service access points.
Router
Switch or bridge
Transport
Data Link (LLC sublayer)

15. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Layer 4
The Transport layer user virtual circuits to create a reliable connection between two hosts.
The Network layer provides logical addressing - typically IP addressing and routing.

16. This device creates one big collision domain and one large broadcast domain.
The Session layer sets up - maintains - and terminates sessions between applications.
Hub
Router
3 - 2 - 1 - none

17. Which layer is represented by bits?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
The Data Link layer frames packets received from the Network layer.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
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.

18. Why does the data communication industry use the layered OSI reference model? (Name two)
Network
The Transport layer segments user data.
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.
Bridge or switch

19. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
To provide a means for the receiver to govern the amount of data sent by the sender.
The Session layer creates sessions between different hosts' applications.
Router
132.210.184.166

20. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
3 - 2 - 1 - none
The Data Link layer frames packets received from the Network layer.
The Network layer provides routing through an internetwork and logical addressing.

21. 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
To provide a means for the receiver to govern the amount of data sent by the sender.
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).
Source and destination MAC address and FCS field
D8:1B:3D:76

22. This layer supports flow control and sequencing.
RJ45 UTP crossover cable.
Transport
Bridge or switch
183/B7

23. At which layer is routing implemented - enabling connections and path selection between two end systems?
D8:1B:3D:76
The Network layer provides routing through an internetwork and logical addressing.
3 - 2 - 1 - none
Network

24. Which layer segments and reassembles data into a data stream?
Router
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.
Data - segment - packet - frame - bit
Transport

25. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
84:D2:43:B3
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Segments - packets - frames - bits
204.51.170.85

26. Which layer is used for reliable communication between end nodes over the network and provides mechanisms for establishing - maintaining - and terminating virtual circuits; transport-fault detection recovery; and controlling the flow of information?
Router
The Data Link layer is responsible for the framing of data packets.
The Session layer sets up - maintains - and terminates sessions between applications.
The Transport layer user virtual circuits to create a reliable connection between two hosts.

27. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
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
Buffering - windowing - congestion avoidance
The Data Link layer is responsible for the framing of data packets.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

28. 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?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Data Link (LLC sublayer)
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
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

29. What are two purposes for segmentation with a bridge?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
D8:1B:3D:76
Data Link (LLC sublayer)
To create more collision domains and to add more bandwidth for users.

30. This device breaks up collision domains and broadcast domains.
Segments - packets - frames - bits
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Router

31. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
Transport
198.211.57.209
Transport
The Transport layer user virtual circuits to create a reliable connection between two hosts.

32. Segmentation of a data stream happens at which layer of the OSI model?
204.51.170.85
Bridge or switch
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
Transport

33. Name four router functions.
3 - 2 - 1 - none
Packet switching - Packet filtering - Internetwork communication - Path selection
84:D2:43:B3
Data Link

34. When data is encapsulated - which is the correct order?
The Session layer creates sessions between different hosts' applications.
Network
Data - segment - packet - frame - bit
00001010.00001011.00001100.01100011

35. Convert 10.11.12.99 to binary format.
The Network layer provides logical addressing - typically IP addressing and routing.
00001010.00001011.00001100.01100011
The Network layer creates packets out of segments handed down from the Transport layer.
Router

36. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
Router
CA:F5:83:EB
The Transport layer segments user data.
10101100.00010000.00010100.00110111

37. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
To create more collision domains and to add more bandwidth for users.
Hub
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
The Transport layer segments user data.

38. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
To provide a means for the receiver to govern the amount of data sent by the sender.
Network
Decrease the window size.
D8:1B:3D:76

39. Logical addressing is used at this layer.
D8:1B:3D:76
Network
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
204.51.170.85

40. 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?
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
The Transport layer segments user data.
Decrease the window size.
Transport

41. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
Switch or bridge
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Network
3 - 2 - 1 - none

42. Which of the following are 3 common types of flow control?
The Physical layer is responsible for the electrical and mechanical connections between devices.
Buffering - windowing - congestion avoidance
Bridge or switch
Router

43. This device can measure the distance to a remote network.
Transport
Router
Hub
The Physical layer is responsible for the electrical and mechanical connections between devices.

44. This layer creates a virtual circuit before transmitting between two end stations.
Transport
Switch or bridge
11000000.10101000.00001010.00001111
The Physical layer is responsible for the electrical and mechanical connections between devices.

45. Convert 172.16.20.55 to binary format.
Switch or bridge
3 - 2 - 1 - none
10101100.00010000.00010100.00110111
Router

46. What is the purpose of flow control?
RJ45 UTP crossover cable.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
To provide a means for the receiver to govern the amount of data sent by the sender.
48 bits (6 bytes)

47. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
The Physical layer is responsible for the electrical and mechanical connections between devices.
The Session layer sets up - maintains - and terminates sessions between applications.
Hub
3 - 2 - 1 - none

48. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
Hub and repeater
Transport
Data Link
Data Link (LLC sublayer)

49. Which layer is represented by frames?
Data Link & Physical
The Data Link layer frames packets received from the Network layer.
Router
132.210.184.166

50. Which layer provides logical addressing that routers will use for path determination?
RJ45 UTP crossover cable.
The Network layer provides logical addressing - typically IP addressing and routing.
Transport
Switch or bridge