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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. What is the bit length and expression form of a MAC address?
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Bridge or switch
Router
48 bits (6 bytes)

2. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
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).
00001010.00001011.00001100.01100011
The Network layer creates packets out of segments handed down from the Transport layer.
Network

3. This device sends and receives information about the Network layer.
Router
48 bits (6 bytes)
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

4. This layer creates a virtual circuit before transmitting between two end stations.
To create more collision domains and to add more bandwidth for users.
Transport
The Presentation layer makes sure that data is in a readable format for the Application layer.
Layer 4

5. This layer uses service access points.
Network
Transport
Data Link (LLC sublayer)
183/B7

6. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
Layer 4
Network
132.210.184.166
The Session layer sets up - maintains - and terminates sessions between applications.

7. Logical addressing is used at this layer.
132.210.184.166
Network
48 bits (6 bytes)
The Transport layer user virtual circuits to create a reliable connection between two hosts.

8. Name four router functions.
Layer 4
Packet switching - Packet filtering - Internetwork communication - Path selection
11000000.10101000.00001010.00001111
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.

9. Convert 10.11.12.99 to binary format.
00001010.00001011.00001100.01100011
Hub
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.

10. Why does the data communication industry use the layered OSI reference model? (Name two)
Router
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.
The Session layer creates sessions between different hosts' applications.

11. This layer supports flow control and sequencing.
Transport
RJ45 UTP rolled cable.
Data Link
84:D2:43:B3

12. 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.
3 - 2 - 1 - none
Network
Hub and repeater

13. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
Transport
The Presentation layer makes sure that data is in a readable format for the Application layer.
The Network layer creates packets out of segments handed down from the Transport layer.
Switch to switch - host to host - switch to host

14. 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.
204.51.170.85
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

15. What type of RJ45 UTP cable is used between switches?
RJ45 UTP crossover cable.
The Network layer provides routing through an internetwork and logical addressing.
Transport
To provide a means for the receiver to govern the amount of data sent by the sender.

16. 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.
Data Link (LLC sublayer)
The Session layer sets up - maintains - and terminates sessions between applications.
Router

17. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
00001010.00001011.00001100.01100011
183/B7
The Presentation layer makes sure that data is in a readable format for the Application layer.
Transport

18. This device breaks up collision domains and broadcast domains.
Router
183/B7
To provide a means for the receiver to govern the amount of data sent by the sender.
132.210.184.166

19. This device uses hardware addresses to filter a network.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Bridge or switch
The Network layer provides routing through an internetwork and logical addressing.
3 - 2 - 1 - none

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

21. This device creates one big collision domain and one large broadcast domain.
Data Link
Router
Hub
204.51.170.85

22. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Fiber-opticcable
The Transport layer segments user data.
Switch to switch - host to host - switch to host
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

23. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
Data Link
CA:F5:83:EB
Router
The Session layer creates sessions between different hosts' applications.

24. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
D8:1B:3D:76
Data Link (LLC sublayer)
84:D2:43:B3
RJ45 UTP crossover cable.

25. Segmentation of a data stream happens at which layer of the OSI model?
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
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Bridge or switch

26. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Switch or bridge
11000000.10101000.00001010.00001111
Transport
Network

27. Which layer is responsible for creating - managing - and terminating sessions between applications?
Network
Data - segment - packet - frame - bit
The Session layer sets up - maintains - and terminates sessions between applications.
Router

28. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
CA:F5:83:EB
Router
Segments - packets - frames - bits
Data Link

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

30. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
The Session layer sets up - maintains - and terminates sessions between applications.
Source and destination MAC address and FCS field
204.51.170.85
The Session layer creates sessions between different hosts' applications.

31. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
The Network layer provides routing through an internetwork and logical addressing.
The Network layer provides logical addressing - typically IP addressing and routing.
Hub and repeater

32. Which layer provides logical addressing that routers will use for path determination?
The Session layer sets up - maintains - and terminates sessions between applications.
The Data Link layer is responsible for the framing of data packets.
D8:1B:3D:76
The Network layer provides logical addressing - typically IP addressing and routing.

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

34. 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?
Router
48 bits (6 bytes)
Bridge or switch
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

35. Which of the following are 3 common types of flow control?
204.51.170.85
Network
To provide a means for the receiver to govern the amount of data sent by the sender.
Buffering - windowing - congestion avoidance

36. Convert 192.168.10.15 to binary format.
To create more collision domains and to add more bandwidth for users.
11000000.10101000.00001010.00001111
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
132.210.184.166

37. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Router
Layer 4
48 bits (6 bytes)
Transport

38. 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
D8:1B:3D:76
Data Link & Physical
Router

39. What are two purposes for segmentation with a bridge?
The Data Link layer is responsible for the framing of data packets.
To create more collision domains and to add more bandwidth for users.
Router
Transport

40. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
The Session layer sets up - maintains - and terminates sessions between applications.
Data Link & Physical
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
CA:F5:83:EB

41. Which layer is represented by frames?
The Data Link layer is responsible for the framing of data packets.
Transport
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.

42. Name three types of connections that can use full duplex.
The Presentation layer makes sure that data is in a readable format for the Application layer.
Switch to switch - host to host - switch to host
The Network layer creates packets out of segments handed down from the Transport layer.
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.

43. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
Transport
198.211.57.209
48 bits (6 bytes)
Router

44. When data is encapsulated - which is the correct order?
RJ45 UTP crossover cable.
Router
Switch or bridge
Data - segment - packet - frame - bit

45. Which layer is represented by bits?
CA:F5:83:EB
Router
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
48 bits (6 bytes)

46. This device can measure the distance to a remote network.
183/B7
Router
The Transport layer segments user data.
Transport

47. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
84:D2:43:B3
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).
Network
Switch to switch - host to host - switch to host

48. Convert 172.16.20.55 to binary format.
The Session layer sets up - maintains - and terminates sessions between applications.
00001010.00001011.00001100.01100011
10101100.00010000.00010100.00110111
Network

49. Which layer is represented by segments?
Network
3 - 2 - 1 - none
The Transport layer segments user data.
Source and destination MAC address and FCS field

50. 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 Network layer provides logical addressing - typically IP addressing and routing.
204.51.170.85
Router
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