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Cisco Prep

Instructions:

Answer 50 questions in 15 minutes.
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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. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
RJ45 UTP crossover cable.
Segments - packets - frames - bits
The Network layer provides logical addressing - typically IP addressing and routing.
The Network layer provides routing through an internetwork and logical addressing.

2. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
To create more collision domains and to add more bandwidth for users.
The Network layer provides routing through an internetwork and logical addressing.
The Network layer creates packets out of segments handed down from the Transport layer.
183/B7

3. Which two fields are contained within an IEEE Ethernet frame header?
Router
RJ45 UTP crossover cable.
Source and destination MAC address and FCS field
204.51.170.85

4. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
198.211.57.209
To create more collision domains and to add more bandwidth for users.
204.51.170.85
CA:F5:83:EB

5. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
RJ45 UTP rolled cable.
Fiber-opticcable
48 bits (6 bytes)
Switch to switch - host to host - switch to host

6. What are two purposes for segmentation with a bridge?
To create more collision domains and to add more bandwidth for users.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Data Link
Network

7. Which layer is represented by packets?
The Presentation layer makes sure that data is in a readable format for the Application layer.
The Network layer creates packets out of segments handed down from the Transport layer.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
The Network layer provides logical addressing - typically IP addressing and routing.

8. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
The Network layer provides routing through an internetwork and logical addressing.
Data Link (LLC sublayer)
Data Link & Physical
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

9. Convert 172.16.20.55 to binary format.
Transport
The Network layer provides logical addressing - typically IP addressing and routing.
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.
10101100.00010000.00010100.00110111

10. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
198.211.57.209
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
84:D2:43:B3
RJ45 UTP rolled cable.

11. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
CA:F5:83:EB
Router
D8:1B:3D:76
Packet switching - Packet filtering - Internetwork communication - Path selection

12. Name three types of connections that can use full duplex.
Bridge or switch
Switch to switch - host to host - switch to host
198.211.57.209
The Network layer provides routing through an internetwork and logical addressing.

13. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
RJ45 UTP crossover cable.
Network
Layer 4
84:D2:43:B3

14. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
Network
Layer 4
132.210.184.166
The Network layer provides routing through an internetwork and logical addressing.

15. This layer supports flow control and sequencing.
The Presentation layer makes sure that data is in a readable format for the Application layer.
Layer 4
183/B7
Transport

16. At which layer is routing implemented - enabling connections and path selection between two end systems?
Segments - packets - frames - bits
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
The Network layer provides routing through an internetwork and logical addressing.

17. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
The Data Link layer is responsible for the framing of data packets.
To create more collision domains and to add more bandwidth for users.
198.211.57.209
D8:1B:3D:76

18. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
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.
198.211.57.209
Switch to switch - host to host - switch to host
Segments - packets - frames - bits

19. This layer creates a virtual circuit before transmitting between two end stations.
D8:1B:3D:76
Transport
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).
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

20. This layer uses service access points.
The Network layer provides logical addressing - typically IP addressing and routing.
The Network layer creates packets out of segments handed down from the Transport layer.
Data Link (LLC sublayer)
Layer 4

21. Which layer is represented by segments?
Layer 4
The Transport layer segments user data.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
204.51.170.85

22. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
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
Bridge or switch
The Data Link layer frames packets received from the Network layer.

23. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
198.211.57.209
The Physical layer is responsible for the electrical and mechanical connections between devices.
Layer 4
To provide a means for the receiver to govern the amount of data sent by the sender.

24. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
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 Session layer creates sessions between different hosts' applications.
3 - 2 - 1 - none
The Transport layer segments user data.

25. Convert 192.168.10.15 to binary format.
11000000.10101000.00001010.00001111
Network
00001010.00001011.00001100.01100011
Bridge or switch

26. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
Transport
CA:F5:83:EB
Hub and repeater
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

27. This device can never run full duplex.
Decrease the window size.
Segments - packets - frames - bits
The Network layer provides logical addressing - typically IP addressing and routing.
Hub

28. 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
D8:1B:3D:76
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
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

29. This device sends and receives information about the Network layer.
The Session layer sets up - maintains - and terminates sessions between applications.
The Data Link layer is responsible for the framing of data packets.
RJ45 UTP crossover cable.
Router

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

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31. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Bridge or switch
Fiber-opticcable
Transport
3 - 2 - 1 - none

32. Ethernet is defined at these layers.
The Presentation layer makes sure that data is in a readable format for the Application layer.
Source and destination MAC address and FCS field
The Data Link layer frames packets received from the Network layer.
Data Link & Physical

33. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
Buffering - windowing - congestion avoidance
To create more collision domains and to add more bandwidth for users.
Network
The Presentation layer makes sure that data is in a readable format for the Application layer.

34. Which layer is represented by frames?
The Session layer sets up - maintains - and terminates sessions between applications.
The Data Link layer frames packets received from the Network layer.
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.

35. What is the bit length and expression form of a MAC address?
Source and destination MAC address and FCS field
Buffering - windowing - congestion avoidance
48 bits (6 bytes)
Switch or bridge

36. Which layer is responsible for creating - managing - and terminating sessions between applications?
The Network layer provides logical addressing - typically IP addressing and routing.
Router
48 bits (6 bytes)
The Session layer sets up - maintains - and terminates sessions between applications.

37. This device creates one big collision domain and one large broadcast domain.
Hub
Data Link & Physical
Router
Transport

38. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Switch or bridge
To provide a means for the receiver to govern the amount of data sent by the sender.
Data Link (LLC sublayer)
48 bits (6 bytes)

39. What type of RJ45 UTP cable is used between switches?
Switch to switch - host to host - switch to host
84:D2:43:B3
RJ45 UTP crossover cable.
The Physical layer is responsible for the electrical and mechanical connections between devices.

40. Which layer is represented by bits?
Router
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Network
To create more collision domains and to add more bandwidth for users.

41. This device uses hardware addresses to filter a network.
Bridge or switch
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.
Segments - packets - frames - bits
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).

42. Convert 10.11.12.99 to binary format.
00001010.00001011.00001100.01100011
Hub
198.211.57.209
Buffering - windowing - congestion avoidance

43. Which of the following are 3 common types of flow control?
84:D2:43:B3
The Network layer creates packets out of segments handed down from the Transport layer.
The Physical layer is responsible for the electrical and mechanical connections between devices.
Buffering - windowing - congestion avoidance

44. 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 Network layer provides logical addressing - typically IP addressing and routing.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Transport
D8:1B:3D:76

45. Why does the data communication industry use the layered OSI reference model? (Name two)
The Physical layer is responsible for the electrical and mechanical connections between devices.
Switch to switch - host to host - switch to host
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.
Router

46. Segmentation of a data stream happens at which layer of the OSI model?
Transport
Router
To create more collision domains and to add more bandwidth for users.
The Network layer provides logical addressing - typically IP addressing and routing.

47. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
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).
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Buffering - windowing - congestion avoidance
Data Link

48. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Source and destination MAC address and FCS field
Layer 4
The Network layer provides routing through an internetwork and logical addressing.
The Presentation layer makes sure that data is in a readable format for the Application layer.

49. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
The Network layer creates packets out of segments handed down from the Transport layer.
The Transport layer segments user data.
Source and destination MAC address and FCS field
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

50. 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?
Buffering - windowing - congestion avoidance
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Network
Decrease the window size.

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