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 creates one big collision domain and one large broadcast domain.
198.211.57.209
The Presentation layer makes sure that data is in a readable format for the Application layer.
Hub
183/B7

2. Which layer is responsible for creating - managing - and terminating sessions between applications?
Buffering - windowing - congestion avoidance
183/B7
Packet switching - Packet filtering - Internetwork communication - Path selection
The Session layer sets up - maintains - and terminates sessions between applications.

3. Segmentation of a data stream happens at which layer of the OSI model?
Hub
Segments - packets - frames - bits
Bridge or switch
Transport

4. Which layer is represented by frames?
183/B7
The Data Link layer frames packets received from the Network layer.
00001010.00001011.00001100.01100011
To provide a means for the receiver to govern the amount of data sent by the sender.

5. This device breaks up collision domains and broadcast domains.
Switch or bridge
The Network layer creates packets out of segments handed down from the Transport layer.
Router
The Presentation layer makes sure that data is in a readable format for the Application layer.

6. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
204.51.170.85
198.211.57.209
The Data Link layer is responsible for the framing of data packets.
48 bits (6 bytes)

7. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
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).
Segments - packets - frames - bits
Router
183/B7

8. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Router
48 bits (6 bytes)
D8:1B:3D:76

9. Convert 192.168.10.15 to binary format.
The Network layer provides routing through an internetwork and logical addressing.
Segments - packets - frames - bits
11000000.10101000.00001010.00001111
The Physical layer is responsible for the electrical and mechanical connections between devices.

10. Which layer segments and reassembles data into a data stream?
11000000.10101000.00001010.00001111
To provide a means for the receiver to govern the amount of data sent by the sender.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Transport

11. What is the bit length and expression form of a MAC address?
48 bits (6 bytes)
Hub
11000000.10101000.00001010.00001111
Source and destination MAC address and FCS field

12. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
204.51.170.85
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
00001010.00001011.00001100.01100011
The Presentation layer makes sure that data is in a readable format for the Application layer.

13. Logical addressing is used at this layer.
The Network layer provides routing through an internetwork and logical addressing.
Packet switching - Packet filtering - Internetwork communication - Path selection
RJ45 UTP crossover cable.
Network

14. 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.
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.
The Network layer provides routing through an internetwork and logical addressing.

15. This device sends and receives information about the Network layer.
Router
The Session layer creates sessions between different hosts' applications.
Buffering - windowing - congestion avoidance
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).

16. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Switch or bridge
48 bits (6 bytes)
Router
Data Link (LLC sublayer)

17. 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?
Decrease the window size.
Network
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.
Data Link & Physical

18. What type of RJ45 UTP cable is used between switches?
RJ45 UTP crossover cable.
48 bits (6 bytes)
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
Router

19. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Decrease the window size.
Fiber-opticcable
Layer 4
Switch to switch - host to host - switch to host

20. Which layer is represented by segments?
The Transport layer segments user data.
Source and destination MAC address and FCS field
The Data Link layer is responsible for the framing of data packets.
Data - segment - packet - frame - bit

21. This device can never run full duplex.
Fiber-opticcable
183/B7
Hub
Router

22. 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?
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 creates sessions between different hosts' applications.
The Network layer creates packets out of segments handed down from the Transport layer.
The Transport layer user virtual circuits to create a reliable connection between two hosts.

23. Convert 10.11.12.99 to binary format.
Router
To create more collision domains and to add more bandwidth for users.
RJ45 UTP rolled cable.
00001010.00001011.00001100.01100011

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

25. At which layer is routing implemented - enabling connections and path selection between two end systems?
The Network layer provides routing through an internetwork and logical addressing.
Layer 4
Switch or bridge
Packet switching - Packet filtering - Internetwork communication - Path selection

26. 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
The Data Link layer is responsible for the framing of data packets.
The Network layer provides routing through an internetwork and logical addressing.

27. Which layer is represented by bits?
The Data Link layer is responsible for the framing of data packets.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
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.

28. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
The Network layer provides logical addressing - typically IP addressing and routing.
Hub and repeater
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.

29. What are two purposes for segmentation with a bridge?
To create more collision domains and to add more bandwidth for users.
Source and destination MAC address and FCS field
The Network layer provides logical addressing - typically IP addressing and routing.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

30. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
3 - 2 - 1 - none
Decrease the window size.
Fiber-opticcable
Transport

31. Name three types of connections that can use full duplex.
Router
Switch to switch - host to host - switch to host
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.

32. Name four router functions.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Packet switching - Packet filtering - Internetwork communication - Path selection
Source and destination MAC address and FCS field
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

33. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
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
Hub
Hub and repeater

34. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
Transport
183/B7
Router
The Session layer creates sessions between different hosts' applications.

35. What is the purpose of flow control?
Source and destination MAC address and FCS field
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
To provide a means for the receiver to govern the amount of data sent by the sender.

36. Convert 172.16.20.55 to binary format.
11000000.10101000.00001010.00001111
The Data Link layer is responsible for the framing of data packets.
The Session layer sets up - maintains - and terminates sessions between applications.
10101100.00010000.00010100.00110111

37. This layer uses service access points.
Bridge or switch
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Buffering - windowing - congestion avoidance
Data Link (LLC sublayer)

38. This layer supports flow control and sequencing.
Network
Transport
The Session layer sets up - maintains - and terminates sessions between applications.
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).

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

40. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
Switch to switch - host to host - switch to host
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Data Link
Network

41. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
Data Link (LLC sublayer)
Router
Data Link
Decrease the window size.

42. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
CA:F5:83:EB
Router
198.211.57.209
48 bits (6 bytes)

43. 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
Router
198.211.57.209
CA:F5:83:EB
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).

44. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
Switch to switch - host to host - switch to host
The Session layer sets up - maintains - and terminates sessions between applications.
84:D2:43:B3
132.210.184.166

45. 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 creates packets out of segments handed down from the Transport layer.
Fiber-opticcable
3 - 2 - 1 - none
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

46. 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.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
3 - 2 - 1 - none
To create more collision domains and to add more bandwidth for users.

47. This layer creates a virtual circuit before transmitting between two end stations.
Decrease the window size.
Data Link
Buffering - windowing - congestion avoidance
Transport

48. Which layer is represented by packets?
The Network layer creates packets out of segments handed down from the Transport layer.
Network
Hub
The Data Link layer is responsible for the framing of data packets.

49. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
10101100.00010000.00010100.00110111
CA:F5:83:EB
Layer 4
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. Why does the data communication industry use the layered OSI reference model? (Name two)
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 Session layer sets up - maintains - and terminates sessions between applications.
Transport
D8:1B:3D:76