Test your basic knowledge |

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. This device can never run full duplex.
CA:F5:83:EB
To create more collision domains and to add more bandwidth for users.
Hub
The Transport layer user virtual circuits to create a reliable connection between two hosts.

2. Which layer segments and reassembles data into a data stream?
Router
Segments - packets - frames - bits
Transport
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

3. Why does the data communication industry use the layered OSI reference model? (Name two)
The Transport layer segments user data.
3 - 2 - 1 - none
Decrease the window size.
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.

4. This device sends and receives information about the Network layer.
Layer 4
Router
204.51.170.85
The Transport layer user virtual circuits to create a reliable connection between two hosts.

5. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
Network
Data Link (LLC sublayer)
48 bits (6 bytes)
The Physical layer is responsible for the electrical and mechanical connections between devices.

6. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
Router
Hub
Layer 4
CA:F5:83:EB

7. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
RJ45 UTP crossover cable.
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
132.210.184.166

8. Convert 172.16.20.55 to binary format.
3 - 2 - 1 - none
Router
10101100.00010000.00010100.00110111
183/B7

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

10. 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.
Decrease the window size.
RJ45 UTP crossover cable.
3 - 2 - 1 - none

11. 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?
Packet switching - Packet filtering - Internetwork communication - Path selection
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.
Hub

12. Name three types of connections that can use full duplex.
Source and destination MAC address and FCS field
Router
Switch to switch - host to host - switch to host
To create more collision domains and to add more bandwidth for users.

13. Which two fields are contained within an IEEE Ethernet frame header?
The Data Link layer frames packets received from the Network layer.
Data - segment - packet - frame - bit
Source and destination MAC address and FCS field
Router

14. 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
CA:F5:83:EB
Router
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).
Data Link & Physical

15. At which layer is routing implemented - enabling connections and path selection between two end systems?
D8:1B:3D:76
To provide a means for the receiver to govern the amount of data sent by the sender.
198.211.57.209
The Network layer provides routing through an internetwork and logical addressing.

16. What is the purpose of flow control?
The Data Link layer frames packets received from the Network layer.
Transport
Data - segment - packet - frame - bit
To provide a means for the receiver to govern the amount of data sent by the sender.

17. When data is encapsulated - which is the correct order?
The Network layer provides logical addressing - typically IP addressing and routing.
Data Link
Hub
Data - segment - packet - frame - bit

18. Which layer is represented by segments?
Layer 4
The Transport layer segments user data.
The Data Link layer frames packets received from the Network layer.
Router

19. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
198.211.57.209
48 bits (6 bytes)
Router
RJ45 UTP rolled cable.

20. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
D8:1B:3D:76
Bridge or switch
The Transport layer user virtual circuits to create a reliable connection between two hosts.
84:D2:43:B3

21. Which layer is represented by packets?
Bridge or switch
The Network layer creates packets out of segments handed down from the Transport layer.
Router
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

22. Segmentation of a data stream happens at which layer of the OSI model?
The Transport layer segments user data.
The Data Link layer is responsible for the framing of data packets.
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

23. Name four router functions.
Packet switching - Packet filtering - Internetwork communication - Path selection
Transport
The Data Link layer frames packets received from the Network layer.
183/B7

24. 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?
204.51.170.85
Hub
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
00001010.00001011.00001100.01100011

25. This device breaks up collision domains and broadcast domains.
To provide a means for the receiver to govern the amount of data sent by the sender.
The Network layer provides logical addressing - typically IP addressing and routing.
Segments - packets - frames - bits
Router

26. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
3 - 2 - 1 - none
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).
Data - segment - packet - frame - bit
D8:1B:3D:76

27. 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.
Layer 4
CA:F5:83:EB
Source and destination MAC address and FCS field

28. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
The Physical layer is responsible for the electrical and mechanical connections between devices.
Layer 4
00001010.00001011.00001100.01100011
Bridge or switch

29. What is the bit length and expression form of a MAC address?
Data Link (LLC sublayer)
10101100.00010000.00010100.00110111
Router
48 bits (6 bytes)

30. Logical addressing is used at this layer.
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.
Network
132.210.184.166
Decrease the window size.

31. Which of the following are 3 common types of flow control?
The Transport layer segments user data.
Buffering - windowing - congestion avoidance
D8:1B:3D:76
RJ45 UTP crossover cable.

32. Which layer is responsible for creating - managing - and terminating sessions between applications?
The Session layer creates sessions between different hosts' applications.
The Session layer sets up - maintains - and terminates sessions between applications.
Data Link & Physical
Switch to switch - host to host - switch to host

33. What type of RJ45 UTP cable is used between switches?
The Session layer sets up - maintains - and terminates sessions between applications.
RJ45 UTP rolled cable.
Router
RJ45 UTP crossover cable.

34. This device uses hardware addresses to filter a network.
Switch to switch - host to host - switch to host
Decrease the window size.
The Session layer creates sessions between different hosts' applications.
Bridge or switch

35. This layer supports flow control and sequencing.
D8:1B:3D:76
Bridge or switch
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Transport

36. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
132.210.184.166
The Network layer provides routing through an internetwork and logical addressing.
Segments - packets - frames - bits
Decrease the window size.

37. Which layer provides logical addressing that routers will use for path determination?
Buffering - windowing - congestion avoidance
48 bits (6 bytes)
The Data Link layer is responsible for the framing of data packets.
The Network layer provides logical addressing - typically IP addressing and routing.

38. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
3 - 2 - 1 - none
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.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
198.211.57.209

39. Convert 10.11.12.99 to binary format.
11000000.10101000.00001010.00001111
00001010.00001011.00001100.01100011
Router
Packet switching - Packet filtering - Internetwork communication - Path selection

40. Convert 192.168.10.15 to binary format.
Decrease the window size.
11000000.10101000.00001010.00001111
Transport
To create more collision domains and to add more bandwidth for users.

41. 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.
The Data Link layer frames packets received from the Network layer.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
204.51.170.85

42. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
Data Link
Data - segment - packet - frame - bit
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.
00001010.00001011.00001100.01100011

43. Ethernet is defined at these layers.
Network
Data Link & Physical
Transport
The Transport layer segments user data.

44. This layer uses service access points.
00001010.00001011.00001100.01100011
3 - 2 - 1 - none
Data Link (LLC sublayer)
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.

45. Which layer is represented by bits?
D8:1B:3D:76
The Physical layer is responsible for the electrical and mechanical connections between devices.
Data Link (LLC sublayer)
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

46. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
Hub
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Hub and repeater
Router

47. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
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.
The Physical layer is responsible for the electrical and mechanical connections between devices.
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).
Hub

48. What are two purposes for segmentation with a bridge?
Network
The Session layer sets up - maintains - and terminates sessions between applications.
The Physical layer is responsible for the electrical and mechanical connections between devices.
To create more collision domains and to add more bandwidth for users.

49. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
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
Hub and repeater

50. This device can measure the distance to a remote network.
The Session layer sets up - maintains - and terminates sessions between applications.
The Data Link layer frames packets received from the Network layer.
To provide a means for the receiver to govern the amount of data sent by the sender.
Router