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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. Name three types of connections that can use full duplex.
00001010.00001011.00001100.01100011
Layer 4
Switch to switch - host to host - switch to host
The Network layer provides logical addressing - typically IP addressing and routing.

2. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
Router
Data Link
11000000.10101000.00001010.00001111
The Network layer provides logical addressing - typically IP addressing and routing.

3. 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?
11000000.10101000.00001010.00001111
Hub and repeater
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.
Decrease the window size.

4. Convert 10000100.11010010.10111000.10100110 to decimal IP 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.
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
132.210.184.166

5. Logical addressing is used at this layer.
Data Link & Physical
Network
48 bits (6 bytes)
Fiber-opticcable

6. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
198.211.57.209
The Transport layer user virtual circuits to create a reliable connection between two hosts.
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 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.

7. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
183/B7
Router
Network
11000000.10101000.00001010.00001111

8. At which layer is routing implemented - enabling connections and path selection between two end systems?
11000000.10101000.00001010.00001111
Source and destination MAC address and FCS field
The Network layer provides routing through an internetwork and logical addressing.
84:D2:43:B3

9. Which of the following are 3 common types of flow control?
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Buffering - windowing - congestion avoidance
RJ45 UTP crossover cable.
D8:1B:3D:76

10. Which layer is represented by packets?
D8:1B:3D:76
The Network layer creates packets out of segments handed down from the Transport layer.
Source and destination MAC address and FCS field
132.210.184.166

11. Convert 10.11.12.99 to binary format.
3 - 2 - 1 - none
00001010.00001011.00001100.01100011
RJ45 UTP rolled 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.

12. This device can measure the distance to a remote network.
183/B7
Network
Router
D8:1B:3D:76

13. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
RJ45 UTP crossover cable.
204.51.170.85
The Transport layer segments user data.
The Network layer creates packets out of segments handed down from the Transport layer.

14. Convert 192.168.10.15 to binary format.
11000000.10101000.00001010.00001111
3 - 2 - 1 - none
CA:F5:83:EB
Packet switching - Packet filtering - Internetwork communication - Path selection

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

16. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Bridge or switch
Transport
CA:F5:83:EB
Layer 4

17. Which layer is represented by frames?
Switch or bridge
The Data Link layer frames packets received from the Network layer.
Router
84:D2:43:B3

18. This device can never run full duplex.
84:D2:43:B3
Hub
Buffering - windowing - congestion avoidance
To create more collision domains and to add more bandwidth for users.

19. Ethernet is defined at these layers.
The Network layer provides routing through an internetwork and logical addressing.
CA:F5:83:EB
Data Link & Physical
48 bits (6 bytes)

20. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Network
11000000.10101000.00001010.00001111
3 - 2 - 1 - none
Fiber-opticcable

21. What are two purposes for segmentation with a bridge?
To create more collision domains and to add more bandwidth for users.
Data Link
Segments - packets - frames - bits
Data Link & Physical

22. 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.
Router
The Transport layer segments user data.
84:D2:43:B3

23. This layer uses service access points.
Data Link (LLC sublayer)
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 Data Link layer frames packets received from the Network layer.
Switch to switch - host to host - switch to host

24. Which layer is represented by bits?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Router
The Session layer creates sessions between different hosts' applications.
Router

25. This layer creates a virtual circuit before transmitting between two end stations.
Buffering - windowing - congestion avoidance
Transport
Bridge or switch
The Data Link layer frames packets received from the Network layer.

26. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
Transport
CA:F5:83:EB
RJ45 UTP rolled cable.
Source and destination MAC address and FCS field

27. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
Router
Layer 4
Source and destination MAC address and FCS field
Hub and repeater

28. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
Transport
198.211.57.209
Bridge or switch
The Session layer sets up - maintains - and terminates sessions between applications.

29. Convert 172.16.20.55 to binary format.
10101100.00010000.00010100.00110111
Data Link (LLC sublayer)
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

30. What is the purpose of flow control?
CA:F5:83:EB
The Transport layer segments user data.
The Network layer provides routing through an internetwork and logical addressing.
To provide a means for the receiver to govern the amount of data sent by the sender.

31. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
D8:1B:3D:76
CA:F5:83:EB
Data Link
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

32. What is the bit length and expression form of a MAC address?
48 bits (6 bytes)
To provide a means for the receiver to govern the amount of data sent by the sender.
Switch or bridge
Hub and repeater

33. 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 crossover cable.
Data Link (LLC sublayer)
Packet switching - Packet filtering - Internetwork communication - Path selection

34. This layer supports flow control and sequencing.
Switch to switch - host to host - switch to host
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Transport
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

35. This device sends and receives information about the Network layer.
Router
Network
RJ45 UTP crossover cable.
Bridge or switch

36. Which layer segments and reassembles data into a data stream?
The Network layer creates packets out of segments handed down from the Transport layer.
Transport
3 - 2 - 1 - none
CA:F5:83:EB

37. Name four router functions.
The Network layer provides logical addressing - typically IP addressing and routing.
Packet switching - Packet filtering - Internetwork communication - Path selection
Hub
Segments - packets - frames - bits

38. 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 Session layer sets up - maintains - and terminates sessions between applications.
Layer 4
The Transport layer user virtual circuits to create a reliable connection between two hosts.
D8:1B:3D:76

39. Why does the data communication industry use the layered OSI reference model? (Name two)
Hub
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.
84:D2:43:B3

40. When data is encapsulated - which is the correct order?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Transport
Layer 4
Data - segment - packet - frame - bit

41. This device uses hardware addresses to filter a network.
CA:F5:83:EB
Source and destination MAC address and FCS field
Bridge or switch
The Session layer creates sessions between different hosts' applications.

42. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
Network
Hub
D8:1B:3D:76
The Session layer sets up - maintains - and terminates sessions between applications.

43. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Transport
84:D2:43:B3
The Transport layer user virtual circuits to create a reliable connection between two hosts.

44. Which layer provides logical addressing that routers will use for path determination?
Layer 4
198.211.57.209
The Network layer provides logical addressing - typically IP addressing and routing.
3 - 2 - 1 - none

45. Which layer is represented by segments?
The Physical layer is responsible for the electrical and mechanical connections between devices.
The Transport layer segments user data.
48 bits (6 bytes)
Router

46. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
00001010.00001011.00001100.01100011
Network
Segments - packets - frames - bits
10101100.00010000.00010100.00110111

47. 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
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 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).
RJ45 UTP crossover cable.
The Presentation layer makes sure that data is in a readable format for the Application layer.

48. This device creates one big collision domain and one large broadcast domain.
The Session layer sets up - maintains - and terminates sessions between applications.
Source and destination MAC address and FCS field
Hub
Switch to switch - host to host - switch to host

49. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
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
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.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Fiber-opticcable

50. Segmentation of a data stream happens at which layer of the OSI model?
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
The Transport layer user virtual circuits to create a reliable connection between two hosts.
204.51.170.85