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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 10.11.12.99 to binary format.
204.51.170.85
CA:F5:83:EB
00001010.00001011.00001100.01100011
Router

2. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Switch or bridge
To provide a means for the receiver to govern the amount of data sent by the sender.
To create more collision domains and to add more bandwidth for users.
Fiber-opticcable

3. Which layer is represented by packets?
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Switch or bridge
RJ45 UTP rolled cable.
The Network layer creates packets out of segments handed down from the Transport layer.

4. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
The Session layer creates sessions between different hosts' applications.
Router
Data Link
D8:1B:3D:76

5. 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.
Data Link (LLC sublayer)
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
RJ45 UTP rolled cable.

6. This device can measure the distance to a remote network.
Router
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.
To create more collision domains and to add more bandwidth for users.
Data - segment - packet - frame - bit

7. 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.
Segments - packets - frames - bits
The Session layer creates sessions between different hosts' applications.
Data Link & Physical

8. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
3 - 2 - 1 - none
The Network layer provides routing through an internetwork and logical addressing.
The Data Link layer is responsible for the framing of data packets.
Switch to switch - host to host - switch to host

9. Which layer provides logical addressing that routers will use for path determination?
Router
RJ45 UTP crossover cable.
Hub and repeater
The Network layer provides logical addressing - typically IP addressing and routing.

10. 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.
Hub
Data - segment - packet - frame - bit
Transport

11. Convert 192.168.10.15 to binary format.
The Session layer creates sessions between different hosts' applications.
RJ45 UTP rolled cable.
Source and destination MAC address and FCS field
11000000.10101000.00001010.00001111

12. 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
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).
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Switch to switch - host to host - switch to host

13. This layer creates a virtual circuit before transmitting between two end stations.
Transport
The Presentation layer makes sure that data is in a readable format for the Application layer.
D8:1B:3D:76
Router

14. 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 creates sessions between different hosts' applications.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Data Link
D8:1B:3D:76

15. 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.
The Physical layer is responsible for the electrical and mechanical connections between devices.
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.

16. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
Data - segment - packet - frame - bit
RJ45 UTP rolled cable.
The Network layer provides logical addressing - typically IP addressing and routing.
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).

17. Which of the following are 3 common types of flow control?
Buffering - windowing - congestion avoidance
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
Switch or bridge
183/B7

18. This device sends and receives information about the Network layer.
Router
Layer 4
The Transport layer user virtual circuits to create a reliable connection between two hosts.
The Data Link layer is responsible for the framing of data packets.

19. Why does the data communication industry use the layered OSI reference model? (Name two)
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.
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 Data Link layer frames packets received from the Network layer.

20. What is the purpose of flow control?
To provide a means for the receiver to govern the amount of data sent by the sender.
The Network layer creates packets out of segments handed down from the Transport layer.
Network
Source and destination MAC address and FCS field

21. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
3 - 2 - 1 - none
84:D2:43:B3
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
The Session layer sets up - maintains - and terminates sessions between applications.

22. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
Buffering - windowing - congestion avoidance
132.210.184.166
Segments - packets - frames - bits
Decrease the window size.

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

24. What is the bit length and expression form of a MAC address?
Data Link (LLC sublayer)
48 bits (6 bytes)
Switch or bridge
The Presentation layer makes sure that data is in a readable format for the Application layer.

25. This device uses hardware addresses to filter a network.
The Physical layer is responsible for the electrical and mechanical connections between devices.
Bridge or switch
Data Link & Physical
Hub

26. Which layer is represented by frames?
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 Data Link layer frames packets received from the Network layer.
The Session layer creates sessions between different hosts' applications.
CA:F5:83:EB

27. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
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
204.51.170.85
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.

28. This device can never run full duplex.
CA:F5:83:EB
Router
To create more collision domains and to add more bandwidth for users.
Hub

29. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
Network
Layer 4
3 - 2 - 1 - none
Data - segment - packet - frame - bit

30. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Data Link (LLC sublayer)
To create more collision domains and to add more bandwidth for users.
Switch or bridge
198.211.57.209

31. Name four router functions.
Packet switching - Packet filtering - Internetwork communication - Path selection
Router
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.

32. What type of RJ45 UTP cable is used between switches?
132.210.184.166
RJ45 UTP crossover cable.
The Presentation layer makes sure that data is in a readable format for the Application layer.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

33. Which layer is responsible for creating - managing - and terminating sessions between applications?
The Transport layer user virtual circuits to create a reliable connection between two hosts.
The Session layer sets up - maintains - and terminates sessions between applications.
RJ45 UTP rolled cable.
Network

34. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
Hub
Data Link
84:D2:43:B3
D8:1B:3D:76

35. 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.
Router
The Presentation layer makes sure that data is in a readable format for the Application layer.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

36. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
Layer 4
84:D2:43:B3
Hub and repeater
Transport

37. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
The Network layer provides logical addressing - typically IP addressing and routing.
Router
CA:F5:83:EB
Buffering - windowing - congestion avoidance

38. What are two purposes for segmentation with a bridge?
Switch to switch - host to host - switch to host
204.51.170.85
Layer 4
To create more collision domains and to add more bandwidth for users.

39. Which layer segments and reassembles data into a data stream?
The Physical layer is responsible for the electrical and mechanical connections between devices.
Hub
Transport
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

40. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Decrease the window size.
CA:F5:83:EB
Layer 4
The Session layer sets up - maintains - and terminates sessions between applications.

41. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
Router
183/B7
D8:1B:3D:76
The Data Link layer is responsible for the framing of data packets.

42. Which layer is represented by bits?
Data Link (LLC sublayer)
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
The Session layer creates sessions between different hosts' applications.
183/B7

43. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
The Session layer creates sessions between different hosts' applications.
Router
132.210.184.166
D8:1B:3D:76

44. This device creates one big collision domain and one large broadcast domain.
To create more collision domains and to add more bandwidth for users.
Hub
Network
Transport

45. 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.
3 - 2 - 1 - none
132.210.184.166
Data Link (LLC sublayer)

46. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
The Session layer sets up - maintains - and terminates sessions between applications.
Layer 4
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

47. 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?
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Data Link & Physical
To create more collision domains and to add more bandwidth for users.
Decrease the window size.

48. This layer supports flow control and sequencing.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Transport
10101100.00010000.00010100.00110111
48 bits (6 bytes)

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

50. Segmentation of a data stream happens at which layer of the OSI model?
The Network layer provides routing through an internetwork and logical addressing.
The Data Link layer frames packets received from the Network layer.
Transport
84:D2:43:B3