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. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
Data Link (LLC sublayer)
84:D2:43:B3
3 - 2 - 1 - none
183/B7

2. What is the purpose of flow control?
To provide a means for the receiver to govern the amount of data sent by the sender.
Buffering - windowing - congestion avoidance
Transport
Transport

3. Which of the following are 3 common types of flow control?
132.210.184.166
Segments - packets - frames - bits
Buffering - windowing - congestion avoidance
The Data Link layer is responsible for the framing of data packets.

4. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
CA:F5:83:EB
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 - segment - packet - frame - bit
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?
198.211.57.209
Network
The Session layer sets up - maintains - and terminates sessions between applications.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

6. This device creates one big collision domain and one large broadcast domain.
Transport
00001010.00001011.00001100.01100011
Hub
183/B7

7. What is the bit length and expression form of a MAC address?
84:D2:43:B3
Switch or bridge
Fiber-opticcable
48 bits (6 bytes)

8. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Fiber-opticcable
D8:1B:3D:76
Data - segment - packet - frame - bit
The Network layer creates packets out of segments handed down from the Transport layer.

9. This device breaks up collision domains and broadcast domains.
Network
RJ45 UTP crossover cable.
Transport
Router

10. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
198.211.57.209
The Transport layer segments user data.
Buffering - windowing - congestion avoidance
204.51.170.85

11. Which layer is represented by segments?
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Data - segment - packet - frame - bit
The Transport layer segments user data.
Hub

12. 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 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 logical addressing - typically IP addressing and routing.
Switch to switch - host to host - switch to host

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

14. This device sends and receives information about the Network layer.
Hub
Fiber-opticcable
Router
Transport

15. This device can measure the distance to a remote network.
Router
132.210.184.166
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Switch to switch - host to host - switch to host

16. Convert 192.168.10.15 to binary format.
The Network layer creates packets out of segments handed down from the Transport layer.
10101100.00010000.00010100.00110111
Hub
11000000.10101000.00001010.00001111

17. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
Router
Transport
The Data Link layer is responsible for the framing of data packets.
183/B7

18. Name four router functions.
The Network layer provides logical addressing - typically IP addressing and routing.
00001010.00001011.00001100.01100011
Packet switching - Packet filtering - Internetwork communication - Path selection
Hub and repeater

19. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
Hub and repeater
Source and destination MAC address and FCS field
Fiber-opticcable
The Transport layer user virtual circuits to create a reliable connection between two hosts.

20. When data is encapsulated - which is the correct order?
Bridge or switch
Data - segment - packet - frame - bit
RJ45 UTP rolled cable.
Buffering - windowing - congestion avoidance

21. Convert 11001100.00110011.10101010.01010101 to decimal IP 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.
Router
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
204.51.170.85

22. This device uses hardware addresses to filter a network.
Bridge or switch
84:D2:43:B3
Decrease the window size.
Buffering - windowing - congestion avoidance

23. This device creates many smaller collision domains - but the network is still one large broadcast domain.
The Session layer creates sessions between different hosts' applications.
Switch or bridge
00001010.00001011.00001100.01100011
The Physical layer is responsible for the electrical and mechanical connections between devices.

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?
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
The Presentation layer makes sure that data is in a readable format for the Application layer.
Network
RJ45 UTP crossover cable.

25. Logical addressing is used at this layer.
Hub
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Network
The Data Link layer frames packets received from the Network layer.

26. What are two purposes for segmentation with a bridge?
Switch or bridge
Bridge or switch
Layer 4
To create more collision domains and to add more bandwidth for users.

27. Segmentation of a data stream happens at which layer of the OSI model?
The Session layer sets up - maintains - and terminates sessions between applications.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Transport
The Physical layer is responsible for the electrical and mechanical connections between devices.

28. 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.
The Network layer provides routing through an internetwork and logical addressing.
Data Link
Data Link & Physical

29. This device can never run full duplex.
Router
Network
Hub
RJ45 UTP rolled cable.

30. Why does the data communication industry use the layered OSI reference model? (Name two)
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.
Transport
Fiber-opticcable

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

32. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Data - segment - packet - frame - bit
Data Link & Physical
D8:1B:3D:76
Layer 4

33. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
198.211.57.209
D8:1B:3D:76
Transport

34. Which layer is represented by frames?
The Data Link layer frames packets received from the Network layer.
10101100.00010000.00010100.00110111
Hub
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

35. Which layer is responsible for creating - managing - and terminating sessions between applications?
Hub
RJ45 UTP crossover cable.
The Session layer sets up - maintains - and terminates sessions between applications.
Hub and repeater

36. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
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
Segments - packets - frames - bits
Network
The Network layer creates packets out of segments handed down from the Transport layer.

37. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
Data Link
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.
RJ45 UTP rolled cable.

38. This layer uses service access points.
Packet switching - Packet filtering - Internetwork communication - Path selection
Data Link (LLC sublayer)
84:D2:43:B3
The Data Link layer is responsible for the framing of data packets.

39. What type of RJ45 UTP cable is used between switches?
RJ45 UTP crossover cable.
Router
The Session layer sets up - maintains - and terminates sessions between applications.
48 bits (6 bytes)

40. This layer supports flow control and sequencing.
The Session layer creates sessions between different hosts' applications.
Transport
Router
Source and destination MAC address and FCS field

41. 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.
11000000.10101000.00001010.00001111
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.

42. Which layer is represented by bits?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Network
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 Transport layer user virtual circuits to create a reliable connection between two hosts.

43. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
The Session layer sets up - maintains - and terminates sessions between applications.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
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.

44. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
CA:F5:83:EB
Data Link
Packet switching - Packet filtering - Internetwork communication - Path selection
Transport

45. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
Network
Router
11000000.10101000.00001010.00001111
132.210.184.166

46. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
The Session layer creates sessions between different hosts' applications.
D8:1B:3D:76
Switch to switch - host to host - switch to host
84:D2:43:B3

47. Convert 10.11.12.99 to binary format.
00001010.00001011.00001100.01100011
The Session layer sets up - maintains - and terminates sessions between applications.
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 is responsible for the electrical and mechanical connections between devices.

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

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

50. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
Bridge or switch
The Physical layer is responsible for the electrical and mechanical connections between devices.
Network
Switch to switch - host to host - switch to host