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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. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Fiber-opticcable
204.51.170.85
Hub
The Data Link layer is responsible for the framing of data packets.

2. What is the purpose of flow control?
Transport
To provide a means for the receiver to govern the amount of data sent by the sender.
10101100.00010000.00010100.00110111
Packet switching - Packet filtering - Internetwork communication - Path selection

3. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
Transport
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
3 - 2 - 1 - none
The Data Link layer frames packets received from the Network layer.

4. Why does the data communication industry use the layered OSI reference model? (Name two)
Decrease the window size.
Hub
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
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.

5. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
Router
204.51.170.85
Fiber-opticcable
The Presentation layer makes sure that data is in a readable format for the Application layer.

6. 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.
Data - segment - packet - frame - bit
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

7. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
Data Link
183/B7
Network
To create more collision domains and to add more bandwidth for users.

8. What type of RJ45 UTP cable is used between switches?
Hub
Transport
RJ45 UTP crossover cable.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

9. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
The Transport layer segments user data.
RJ45 UTP crossover cable.
RJ45 UTP rolled cable.
10101100.00010000.00010100.00110111

10. Convert 10.11.12.99 to binary format.
Router
00001010.00001011.00001100.01100011
Hub and repeater
The Data Link layer frames packets received from the Network layer.

11. Which layer segments and reassembles data into a data stream?
Segments - packets - frames - bits
Transport
RJ45 UTP crossover cable.
00001010.00001011.00001100.01100011

12. This device creates many smaller collision domains - but the network is still one large broadcast domain.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Switch or bridge
Decrease the window size.
The Presentation layer makes sure that data is in a readable format for the Application layer.

13. Name four router functions.
RJ45 UTP crossover cable.
48 bits (6 bytes)
Packet switching - Packet filtering - Internetwork communication - Path selection
The Data Link layer frames packets received from the Network layer.

14. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
Packet switching - Packet filtering - Internetwork communication - Path selection
Data Link
Source and destination MAC address and FCS field
The Data Link layer is responsible for the framing of data packets.

15. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
CA:F5:83:EB
Transport
Data Link & Physical
Packet switching - Packet filtering - Internetwork communication - Path selection

16. Which layer is represented by packets?
Network
The Network layer creates packets out of segments handed down from the Transport layer.
Data Link
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.

17. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
198.211.57.209
The Session layer sets up - maintains - and terminates sessions between applications.
Network
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.

18. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
132.210.184.166
Transport
CA:F5:83:EB
To provide a means for the receiver to govern the amount of data sent by the sender.

19. What is the bit length and expression form of a MAC address?
The Transport layer user virtual circuits to create a reliable connection between two hosts.
204.51.170.85
48 bits (6 bytes)
Transport

20. Which two fields are contained within an IEEE Ethernet frame header?
The Session layer creates sessions between different hosts' applications.
The Network layer provides routing through an internetwork and logical addressing.
Source and destination MAC address and FCS field
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

21. This device can never run full duplex.
To provide a means for the receiver to govern the amount of data sent by the sender.
Transport
Transport
Hub

22. Logical addressing is used at this layer.
Network
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Layer 4
The Data Link layer frames packets received from the Network layer.

23. This layer creates a virtual circuit before transmitting between two end stations.
Switch to switch - host to host - switch to host
Network
Transport
Packet switching - Packet filtering - Internetwork communication - Path selection

24. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
RJ45 UTP crossover cable.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Network
10101100.00010000.00010100.00110111

25. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
11000000.10101000.00001010.00001111
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 provide a means for the receiver to govern the amount of data sent by the sender.
D8:1B:3D:76

26. This device uses hardware addresses to filter a network.
Bridge or switch
Data - segment - packet - frame - bit
10101100.00010000.00010100.00110111
204.51.170.85

27. Which layer is represented by segments?
The Transport layer segments user data.
00001010.00001011.00001100.01100011
RJ45 UTP rolled cable.
3 - 2 - 1 - none

28. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
Decrease the window size.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
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

29. Which layer is responsible for creating - managing - and terminating sessions between applications?
Network
RJ45 UTP crossover cable.
Segments - packets - frames - bits
The Session layer sets up - maintains - and terminates sessions between applications.

30. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
D8:1B:3D:76
Data - segment - packet - frame - bit
The Transport layer user virtual circuits to create a reliable connection between two hosts.
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

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

32. This device can measure the distance to a remote network.
CA:F5:83:EB
Router
Switch or bridge
Data Link & Physical

33. Segmentation of a data stream happens at which layer of the OSI model?
The Physical layer is responsible for the electrical and mechanical connections between devices.
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
Transport

34. Which layer is represented by frames?
The Session layer creates sessions between different hosts' applications.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
The Data Link layer frames packets received from the Network layer.
Hub

35. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
Router
The Presentation layer makes sure that data is in a readable format for the Application layer.
D8:1B:3D:76
10101100.00010000.00010100.00110111

36. Which layer provides logical addressing that routers will use for path determination?
The Network layer provides logical addressing - typically IP addressing and routing.
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 Session layer creates sessions between different hosts' applications.

37. 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?
To provide a means for the receiver to govern the amount of data sent by the sender.
Data Link
Source and destination MAC address and FCS field
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

38. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
The Data Link layer is responsible for the framing of data packets.
The Physical layer is responsible for the electrical and mechanical connections between devices.
Router

39. Which of the following are 3 common types of flow control?
Buffering - windowing - congestion avoidance
Segments - packets - frames - bits
The Network layer provides logical addressing - typically IP addressing and routing.
84:D2:43:B3

40. Which layer is represented by bits?
The Transport layer segments user data.
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.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

41. This layer uses service access points.
204.51.170.85
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.
Router

42. 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?
183/B7
Bridge or switch
Transport
The Transport layer user virtual circuits to create a reliable connection between two hosts.

43. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
00001010.00001011.00001100.01100011
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
84:D2:43:B3
132.210.184.166

44. Convert 192.168.10.15 to binary format.
To provide a means for the receiver to govern the amount of data sent by the sender.
132.210.184.166
11000000.10101000.00001010.00001111
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.

45. What are two purposes for segmentation with a bridge?
RJ45 UTP rolled cable.
The Network layer creates packets out of segments handed down from the Transport layer.
To create more collision domains and to add more bandwidth for users.
D8:1B:3D:76

46. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
48 bits (6 bytes)
Decrease the window size.
Layer 4
CA:F5:83:EB

47. This layer supports flow control and sequencing.
The Network layer creates packets out of segments handed down from the Transport layer.
Transport
3 - 2 - 1 - none
Data Link (LLC sublayer)

48. Ethernet is defined at these layers.
Transport
RJ45 UTP crossover cable.
Data Link & Physical
The Physical layer is responsible for the electrical and mechanical connections between devices.

49. This device creates one big collision domain and one large broadcast domain.
Source and destination MAC address and FCS field
Layer 4
Hub
The Network layer provides routing through an internetwork and logical addressing.

50. At which layer is routing implemented - enabling connections and path selection between two end systems?
The Transport layer user virtual circuits to create a reliable connection between two hosts.
The Network layer provides routing through an internetwork and logical addressing.
To create more collision domains and to add more bandwidth for users.
48 bits (6 bytes)