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 breaks up collision domains and broadcast domains.
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 Transport layer user virtual circuits to create a reliable connection between two hosts.
Router
RJ45 UTP rolled cable.

2. This device can measure the distance to a remote 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 Network layer provides routing through an internetwork and logical addressing.
Decrease the window size.
Router

3. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Switch to switch - host to host - switch to host
RJ45 UTP rolled cable.
204.51.170.85
Fiber-opticcable

4. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
RJ45 UTP crossover cable.
D8:1B:3D:76
Network
The Network layer provides routing through an internetwork and logical addressing.

5. Which layer is responsible for creating - managing - and terminating sessions between applications?
Fiber-opticcable
Packet switching - Packet filtering - Internetwork communication - Path selection
The Transport layer segments user data.
The Session layer sets up - maintains - and terminates sessions between applications.

6. This device uses hardware addresses to filter a network.
The Physical layer is responsible for the electrical and mechanical connections between devices.
Fiber-opticcable
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).
Bridge or switch

7. Which layer provides logical addressing that routers will use for path determination?
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.
48 bits (6 bytes)
Buffering - windowing - congestion avoidance
The Network layer provides logical addressing - typically IP addressing and routing.

8. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
To create more collision domains and to add more bandwidth for users.
Switch or bridge
Data Link
D8:1B:3D:76

9. Segmentation of a data stream happens at which layer of the OSI 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.
Fiber-opticcable
The Network layer creates packets out of segments handed down from the Transport layer.
Transport

10. 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.
Hub
To provide a means for the receiver to govern the amount of data sent by the sender.
The Transport layer user virtual circuits to create a reliable connection between two hosts.

11. Which layer is represented by bits?
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.
Transport
Router

12. This device can never run full duplex.
Transport
The Network layer provides routing through an internetwork and logical addressing.
Hub
To create more collision domains and to add more bandwidth for users.

13. Which layer is represented by frames?
11000000.10101000.00001010.00001111
Data Link & Physical
The Data Link layer frames packets received from the Network layer.
The Network layer provides routing through an internetwork and logical addressing.

14. Which of the following are 3 common types of flow control?
Buffering - windowing - congestion avoidance
The Presentation layer makes sure that data is in a readable format for the Application layer.
Data - segment - packet - frame - bit
Source and destination MAC address and FCS field

15. 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
To provide a means for the receiver to govern the amount of data sent by the sender.
Hub
D8:1B:3D:76

16. This device creates one big collision domain and one large broadcast domain.
D8:1B:3D:76
Hub
The Network layer provides routing through an internetwork and logical addressing.
10101100.00010000.00010100.00110111

17. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
198.211.57.209
Router
Network
To provide a means for the receiver to govern the amount of data sent by the sender.

18. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
183/B7
198.211.57.209
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Data Link (LLC sublayer)

19. 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
Decrease the window size.
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).
The Transport layer segments user data.

20. This device sends and receives information about the Network layer.
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
Data Link (LLC sublayer)
Network

21. This layer creates a virtual circuit before transmitting between two end stations.
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.
Switch or bridge
Data Link & Physical
Transport

22. Name three types of connections that can use full duplex.
10101100.00010000.00010100.00110111
Transport
Hub and repeater
Switch to switch - host to host - switch to host

23. This layer supports flow control and sequencing.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
RJ45 UTP crossover cable.
Transport
Switch or bridge

24. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
To provide a means for the receiver to govern the amount of data sent by the sender.
Segments - packets - frames - bits
Data - segment - packet - frame - bit

25. Why does the data communication industry use the layered OSI reference model? (Name two)
CA:F5:83:EB
Buffering - windowing - congestion avoidance
Data Link (LLC sublayer)
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.

26. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Router
Layer 4
Data - segment - packet - frame - bit
Segments - packets - frames - bits

27. When data is encapsulated - which is the correct order?
Layer 4
48 bits (6 bytes)
Router
Data - segment - packet - frame - bit

28. 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?
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).
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Source and destination MAC address and FCS field
Decrease the window size.

29. What is the bit length and expression form of a MAC address?
Hub and repeater
Packet switching - Packet filtering - Internetwork communication - Path selection
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
48 bits (6 bytes)

30. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
Transport
132.210.184.166
Buffering - windowing - congestion avoidance
Fiber-opticcable

31. 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.
84:D2:43:B3
132.210.184.166
Hub and repeater

32. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Transport
To provide a means for the receiver to govern the amount of data sent by the sender.
Switch or bridge
Data Link

33. Name four router functions.
Hub and repeater
Packet switching - Packet filtering - Internetwork communication - Path selection
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).
Router

34. 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.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Transport
Data Link (LLC sublayer)

35. Convert 172.16.20.55 to binary format.
Network
10101100.00010000.00010100.00110111
Data Link
RJ45 UTP rolled cable.

36. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
To create more collision domains and to add more bandwidth for users.
Segments - packets - frames - bits
The Network layer creates packets out of segments handed down from the Transport layer.
CA:F5:83:EB

37. What is the purpose of flow control?
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
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.
Fiber-opticcable

38. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
3 - 2 - 1 - none
Data - segment - packet - frame - bit
Data Link & Physical
To provide a means for the receiver to govern the amount of data sent by the sender.

39. Ethernet is defined at these layers.
Transport
Data Link & Physical
Transport
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

40. Which layer is represented by packets?
48 bits (6 bytes)
The Network layer creates packets out of segments handed down from the Transport layer.
132.210.184.166
The Transport layer user virtual circuits to create a reliable connection between two hosts.

41. Convert 10.11.12.99 to binary format.
132.210.184.166
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.
Source and destination MAC address and FCS field
00001010.00001011.00001100.01100011

42. Convert 192.168.10.15 to binary format.
Switch or bridge
11000000.10101000.00001010.00001111
Fiber-opticcable
Data Link

43. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
Network
Layer 4
Bridge or switch
Router

44. At which layer is routing implemented - enabling connections and path selection between two end systems?
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 Network layer provides routing through an internetwork and logical addressing.
204.51.170.85
Data Link (LLC sublayer)

45. What type of RJ45 UTP cable is used between switches?
RJ45 UTP crossover cable.
Decrease the window size.
The Data Link layer is responsible for the framing of data packets.
CA:F5:83:EB

46. 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?
Source and destination MAC address and FCS field
The Network layer provides logical addressing - typically IP addressing and routing.
The Data Link layer frames packets received from the Network layer.
The Transport layer user virtual circuits to create a reliable connection between two hosts.

47. Which layer is represented by segments?
The Transport layer segments user data.
183/B7
Packet switching - Packet filtering - Internetwork communication - Path selection
11000000.10101000.00001010.00001111

48. What are two purposes for segmentation with a bridge?
To create more collision domains and to add more bandwidth for users.
Bridge or switch
The Session layer sets up - maintains - and terminates sessions between applications.
00001010.00001011.00001100.01100011

49. This layer uses service access points.
Data Link (LLC sublayer)
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Bridge or switch
Transport

50. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
Decrease the window size.
The Network layer provides routing through an internetwork and logical addressing.
84:D2:43:B3
183/B7