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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. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
Bridge or switch
204.51.170.85
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.
Network

2. Which layer is represented by bits?
RJ45 UTP crossover cable.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Network
Fiber-opticcable

3. Which layer is represented by segments?
10101100.00010000.00010100.00110111
The Transport layer segments user data.
RJ45 UTP crossover cable.
Router

4. 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?
11000000.10101000.00001010.00001111
Router
Network
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

5. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
10101100.00010000.00010100.00110111
00001010.00001011.00001100.01100011
RJ45 UTP rolled cable.
11000000.10101000.00001010.00001111

6. Which layer segments and reassembles data into a data stream?
D8:1B:3D:76
Transport
RJ45 UTP crossover cable.
The Data Link layer is responsible for the framing of data packets.

7. Which layer is represented by frames?
132.210.184.166
Segments - packets - frames - bits
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.
The Data Link layer frames packets received from the Network layer.

8. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
84:D2:43:B3
To create more collision domains and to add more bandwidth for users.

9. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
The Session layer sets up - maintains - and terminates sessions between applications.
Hub
Decrease the window size.
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

10. Which two fields are contained within an IEEE Ethernet frame header?
Router
The Data Link layer frames packets received from the Network layer.
Source and destination MAC address and FCS field
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

11. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move 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.
Data Link & Physical
Network
Switch or bridge

12. Logical addressing is used at this layer.
The Data Link layer frames packets received from the Network layer.
Data - segment - packet - frame - bit
Network
Bridge or switch

13. Segmentation of a data stream happens at which layer of the OSI model?
Transport
Data Link
204.51.170.85
The Session layer creates sessions between different hosts' applications.

14. Name four router functions.
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).
The Network layer provides routing through an internetwork and logical addressing.
Decrease the window size.

15. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Transport
Layer 4
Data - segment - packet - frame - bit
183/B7

16. This device breaks up collision domains and broadcast domains.
Hub
10101100.00010000.00010100.00110111
Data Link (LLC sublayer)
Router

17. At which layer is routing implemented - enabling connections and path selection between two end systems?
11000000.10101000.00001010.00001111
The Network layer provides routing through an internetwork and logical addressing.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
3 - 2 - 1 - none

18. 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?
Hub
10101100.00010000.00010100.00110111
Decrease the window size.
The Transport layer segments user data.

19. This layer creates a virtual circuit before transmitting between two end stations.
Data - segment - packet - frame - bit
Transport
D8:1B:3D:76
RJ45 UTP crossover cable.

20. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
D8:1B:3D:76
10101100.00010000.00010100.00110111
Network
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

21. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
The Session layer creates sessions between different hosts' applications.
Fiber-opticcable
RJ45 UTP crossover cable.
Router

22. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
To create more collision domains and to add more bandwidth for users.
Router
Decrease the window size.
3 - 2 - 1 - none

23. 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 Transport layer user virtual circuits to create a reliable connection between two hosts.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
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

24. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
Network
CA:F5:83:EB
Hub
Hub

25. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
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.
D8:1B:3D:76
10101100.00010000.00010100.00110111
Data Link

26. Convert 10.11.12.99 to binary format.
00001010.00001011.00001100.01100011
183/B7
Router
Segments - packets - frames - bits

27. What is the bit length and expression form of a MAC address?
To provide a means for the receiver to govern the amount of data sent by the sender.
Fiber-opticcable
The Session layer sets up - maintains - and terminates sessions between applications.
48 bits (6 bytes)

28. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
00001010.00001011.00001100.01100011
The Transport layer segments user data.
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.
Decrease the window size.

29. Convert 192.168.10.15 to binary format.
11000000.10101000.00001010.00001111
The Transport layer user virtual circuits to create a reliable connection between two hosts.
10101100.00010000.00010100.00110111
Data Link & Physical

30. This layer supports flow control and sequencing.
132.210.184.166
Segments - packets - frames - bits
Transport
The Presentation layer makes sure that data is in a readable format for the Application layer.

31. Which layer is responsible for creating - managing - and terminating sessions between applications?
The Transport layer segments user data.
The Session layer sets up - maintains - and terminates sessions between applications.
Hub
132.210.184.166

32. This device uses hardware addresses to filter a network.
Data Link (LLC sublayer)
Bridge or switch
3 - 2 - 1 - none
The Session layer creates sessions between different hosts' applications.

33. What type of RJ45 UTP cable is used between switches?
Hub
The Data Link layer frames packets received from the Network layer.
RJ45 UTP crossover cable.
The Network layer provides routing through an internetwork and logical addressing.

34. When data is encapsulated - which is the correct order?
00001010.00001011.00001100.01100011
Segments - packets - frames - bits
Data - segment - packet - frame - bit
The Network layer provides routing through an internetwork and logical addressing.

35. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
183/B7
198.211.57.209
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.

36. What are two purposes for segmentation with a bridge?
Transport
The Network layer provides routing through an internetwork and logical addressing.
Network
To create more collision domains and to add more bandwidth for users.

37. 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?
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
D8:1B:3D:76
Decrease the window size.
The Transport layer user virtual circuits to create a reliable connection between two hosts.

38. This device can never run full duplex.
Layer 4
Hub
The Data Link layer is responsible for the framing of data packets.
Data - segment - packet - frame - bit

39. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
Segments - packets - frames - bits
Hub and repeater
Network
Bridge or switch

40. Ethernet is defined at these layers.
Data Link & Physical
Hub
Fiber-opticcable
RJ45 UTP crossover cable.

41. 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.
To provide a means for the receiver to govern the amount of data sent by the sender.
204.51.170.85
The Presentation layer makes sure that data is in a readable format for the Application layer.

42. This layer uses service access points.
Packet switching - Packet filtering - Internetwork communication - Path selection
Layer 4
Hub
Data Link (LLC sublayer)

43. This device creates one big collision domain and one large broadcast domain.
Hub
Data Link
84:D2:43:B3
Data Link (LLC sublayer)

44. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
The Physical layer is responsible for the electrical and mechanical connections between devices.
Data Link
RJ45 UTP crossover cable.
The Data Link layer is responsible for the framing of data packets.

45. This device can measure the distance to a remote network.
Router
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Transport
CA:F5:83:EB

46. 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
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).
Data Link (LLC sublayer)
Layer 4
Switch to switch - host to host - switch to host

47. Convert 10000100.11010010.10111000.10100110 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.
198.211.57.209
132.210.184.166
Network

48. Convert 172.16.20.55 to binary format.
11000000.10101000.00001010.00001111
10101100.00010000.00010100.00110111
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Hub and repeater

49. Which layer is represented by packets?
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.
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.

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