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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. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
Hub
Router
132.210.184.166
Segments - packets - frames - bits

2. This device can measure the distance to a remote network.
Switch or bridge
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Router
Transport

3. Which layer provides logical addressing that routers will use for path determination?
Hub and repeater
Switch to switch - host to host - switch to host
The Network layer provides logical addressing - typically IP addressing and routing.
The Physical layer is responsible for the electrical and mechanical connections between devices.

4. This layer uses service access points.
Data Link (LLC sublayer)
The Session layer creates sessions between different hosts' applications.
Network
10101100.00010000.00010100.00110111

5. Why does the data communication industry use the layered OSI reference model? (Name two)
132.210.184.166
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.
Buffering - windowing - congestion avoidance
Transport

6. 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.
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.
CA:F5:83:EB
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.

7. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
The Presentation layer makes sure that data is in a readable format for the Application layer.
To provide a means for the receiver to govern the amount of data sent by the sender.
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.
Bridge or switch

8. What type of RJ45 UTP cable is used between switches?
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).
Transport
RJ45 UTP crossover cable.
132.210.184.166

9. Ethernet is defined at these layers.
Bridge or switch
Network
CA:F5:83:EB
Data Link & Physical

10. Convert 192.168.10.15 to binary format.
RJ45 UTP crossover cable.
132.210.184.166
The Network layer provides logical addressing - typically IP addressing and routing.
11000000.10101000.00001010.00001111

11. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Decrease the window size.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Switch or bridge
The Presentation layer makes sure that data is in a readable format for the Application layer.

12. Which layer segments and reassembles data into a data stream?
Fiber-opticcable
The Network layer provides routing through an internetwork and logical addressing.
CA:F5:83:EB
Transport

13. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
132.210.184.166
The Session layer sets up - maintains - and terminates sessions between applications.
3 - 2 - 1 - none
Switch to switch - host to host - switch to host

14. What is the purpose of flow control?
10101100.00010000.00010100.00110111
204.51.170.85
To provide a means for the receiver to govern the amount of data sent by the sender.
The Presentation layer makes sure that data is in a readable format for the Application layer.

15. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
Transport
Transport
Data Link
To create more collision domains and to add more bandwidth for users.

16. Logical addressing is used at this layer.
Buffering - windowing - congestion avoidance
The Data Link layer is responsible for the framing of data packets.
Layer 4
Network

17. Name three types of connections that can use full duplex.
Hub and repeater
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).
Bridge or switch
Switch to switch - host to host - switch to host

18. Convert 10.11.12.99 to binary format.
Data Link & Physical
Transport
00001010.00001011.00001100.01100011
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.

19. 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
Hub and repeater
Decrease the window size.
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).
Fiber-opticcable

20. This device uses hardware addresses to filter a network.
Transport
Router
Bridge or switch
D8:1B:3D:76

21. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
204.51.170.85
183/B7
RJ45 UTP crossover cable.
10101100.00010000.00010100.00110111

22. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
The Network layer creates packets out of segments handed down from the Transport layer.
Fiber-opticcable
Decrease the window size.
3 - 2 - 1 - none

23. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
204.51.170.85
Layer 4
132.210.184.166
Transport

24. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
The Session layer sets up - maintains - and terminates sessions between applications.
10101100.00010000.00010100.00110111
Network
The Physical layer is responsible for the electrical and mechanical connections between devices.

25. What is the bit length and expression form of a MAC address?
48 bits (6 bytes)
Switch or bridge
Data Link (LLC sublayer)
The Network layer provides routing through an internetwork and logical addressing.

26. Which layer is responsible for creating - managing - and terminating sessions between applications?
To provide a means for the receiver to govern the amount of data sent by the sender.
The Transport layer segments user data.
The Session layer sets up - maintains - and terminates sessions between applications.
RJ45 UTP rolled cable.

27. Name four router functions.
Source and destination MAC address and FCS field
Transport
Packet switching - Packet filtering - Internetwork communication - Path selection
Hub

28. Which layer is represented by segments?
Transport
RJ45 UTP rolled cable.
Network
The Transport layer segments user data.

29. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
Source and destination MAC address and FCS field
198.211.57.209
Data - segment - packet - frame - bit
183/B7

30. 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?
The Network layer creates packets out of segments handed down from the Transport layer.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Data Link & Physical
Fiber-opticcable

31. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
Hub and repeater
RJ45 UTP rolled cable.
The Network layer provides routing through an internetwork and logical addressing.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

32. This device can never run full duplex.
Hub
The Presentation layer makes sure that data is in a readable format for the Application layer.
Buffering - windowing - congestion avoidance
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.

33. When data is encapsulated - which is the correct order?
RJ45 UTP crossover cable.
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).
Router
Data - segment - packet - frame - bit

34. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
Segments - packets - frames - bits
Fiber-opticcable
Data Link
CA:F5:83:EB

35. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
Data Link (LLC sublayer)
The Physical layer is responsible for the electrical and mechanical connections between devices.
10101100.00010000.00010100.00110111
CA:F5:83:EB

36. 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?
Decrease the window size.
Data - segment - packet - frame - bit
84:D2:43:B3
Hub and repeater

37. Segmentation of a data stream happens at which layer of the OSI model?
Layer 4
Transport
Decrease the window size.
11000000.10101000.00001010.00001111

38. Which of the following are 3 common types of flow control?
Fiber-opticcable
The Session layer sets up - maintains - and terminates sessions between applications.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Buffering - windowing - congestion avoidance

39. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
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.
11000000.10101000.00001010.00001111
84:D2:43:B3
3 - 2 - 1 - none

40. This layer supports flow control and sequencing.
Transport
132.210.184.166
Router
48 bits (6 bytes)

41. This layer creates a virtual circuit before transmitting between two end stations.
Transport
Hub
Router
Switch to switch - host to host - switch to host

42. 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?
RJ45 UTP crossover cable.
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.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Layer 4

43. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
Segments - packets - frames - bits
11000000.10101000.00001010.00001111
D8:1B:3D:76
The Transport layer user virtual circuits to create a reliable connection between two hosts.

44. This device creates one big collision domain and one large broadcast domain.
Transport
3 - 2 - 1 - none
Hub
Packet switching - Packet filtering - Internetwork communication - Path selection

45. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
3 - 2 - 1 - none
Data Link
The Data Link layer is responsible for the framing of data packets.

46. Which layer is represented by frames?
The Physical layer is responsible for the electrical and mechanical connections between devices.
Transport
The Data Link layer frames packets received from the Network layer.
Switch to switch - host to host - switch to host

47. This device sends and receives information about the Network layer.
The Data Link layer is responsible for the framing of data packets.
Router
CA:F5:83:EB
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

48. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
Layer 4
Transport
198.211.57.209
Hub and repeater

49. What are two purposes for segmentation with a bridge?
To create more collision domains and to add more bandwidth for users.
00001010.00001011.00001100.01100011
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).
D8:1B:3D:76

50. Which layer is represented by bits?
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 is responsible for transporting 1s and 0s in a digital signal.
Hub
Layer 4