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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 type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
Router
Router
Fiber-opticcable
RJ45 UTP rolled cable.

2. This layer supports flow control and sequencing.
Router
Hub
Transport
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

3. Which of the following are 3 common types of flow control?
Router
48 bits (6 bytes)
Hub and repeater
Buffering - windowing - congestion avoidance

4. Segmentation of a data stream happens at which layer of the OSI model?
11000000.10101000.00001010.00001111
Transport
Data - segment - packet - frame - bit
Hub

5. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (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.
3 - 2 - 1 - none
Hub
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

6. 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
183/B7
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).
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.
Hub

7. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
132.210.184.166
Bridge or switch
D8:1B:3D:76
183/B7

8. This layer creates a virtual circuit before transmitting between two end stations.
The Network layer provides logical addressing - typically IP addressing and routing.
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
3 - 2 - 1 - none
Transport

9. Which layer is represented by packets?
RJ45 UTP crossover cable.
The Data Link layer is responsible for the framing of data packets.
The Network layer creates packets out of segments handed down from the Transport layer.
CA:F5:83:EB

10. Which layer is represented by segments?
The Session layer creates sessions between different hosts' applications.
The Transport layer segments user data.
Router
The Presentation layer makes sure that data is in a readable format for the Application layer.

11. What are two purposes for segmentation with a bridge?
To create more collision domains and to add more bandwidth for users.
Data Link (LLC sublayer)
Network
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

12. This layer uses service access points.
Switch to switch - host to host - switch to host
Data Link (LLC sublayer)
Transport
3 - 2 - 1 - none

13. Name three types of connections that can use full duplex.
Transport
Switch to switch - host to host - switch to host
Source and destination MAC address and FCS field
48 bits (6 bytes)

14. Ethernet is defined at these layers.
To create more collision domains and to add more bandwidth for users.
198.211.57.209
Data Link & Physical
Hub

15. When data is encapsulated - which is the correct order?
3 - 2 - 1 - none
198.211.57.209
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Data - segment - packet - frame - bit

16. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
Hub
Network
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.

17. This device can measure the distance to a remote network.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Hub
Router
RJ45 UTP rolled cable.

18. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Switch to switch - host to host - switch to host
3 - 2 - 1 - none
Data Link
Layer 4

19. What is the purpose of flow control?
To provide a means for the receiver to govern the amount of data sent by the sender.
Data Link (LLC sublayer)
To create more collision domains and to add more bandwidth for users.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

20. Which layer is represented by frames?
Bridge or switch
The Data Link layer frames packets received from the Network layer.
Data Link & Physical
00001010.00001011.00001100.01100011

21. This device can never run full duplex.
00001010.00001011.00001100.01100011
Data Link
Hub
The Network layer provides routing through an internetwork and logical addressing.

22. Which layer is responsible for creating - managing - and terminating sessions between applications?
Network
The Session layer sets up - maintains - and terminates sessions between applications.
84:D2:43:B3
Hub

23. Which two fields are contained within an IEEE Ethernet frame header?
Source and destination MAC address and FCS field
Data - segment - packet - frame - bit
The Session layer creates sessions between different hosts' applications.
D8:1B:3D:76

24. This device breaks up collision domains and broadcast domains.
Router
Network
Buffering - windowing - congestion avoidance
RJ45 UTP crossover cable.

25. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
Network
CA:F5:83:EB
Data Link
Transport

26. Which layer defines how data is formatted - presented - encoded - and converted for use on the 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.
The Presentation layer makes sure that data is in a readable format for the Application layer.
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.

27. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
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.
Hub
204.51.170.85

28. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
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.
Segments - packets - frames - bits
Router
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

29. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
Buffering - windowing - congestion avoidance
Network
Hub and repeater
To create more collision domains and to add more bandwidth for users.

30. Which layer is represented by bits?
Segments - packets - frames - bits
Network
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
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.

31. Convert 172.16.20.55 to binary format.
The Physical layer is responsible for the electrical and mechanical connections between devices.
Switch to switch - host to host - switch to host
10101100.00010000.00010100.00110111
Hub and repeater

32. Logical addressing is used at this layer.
Hub
Network
Bridge or switch
Hub and repeater

33. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
84:D2:43:B3
D8:1B:3D:76
Fiber-opticcable
Packet switching - Packet filtering - Internetwork communication - Path selection

34. This device sends and receives information about the Network layer.
The Network layer provides routing through an internetwork and logical addressing.
204.51.170.85
The Presentation layer makes sure that data is in a readable format for the Application layer.
Router

35. 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).
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.
Data Link (LLC sublayer)

36. 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?
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Hub
Transport
00001010.00001011.00001100.01100011

37. Why does the data communication industry use the layered OSI reference model? (Name two)
Data - segment - packet - frame - bit
The Session layer sets up - maintains - and terminates sessions between applications.
Bridge or switch
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.

38. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
3 - 2 - 1 - none
Segments - packets - frames - bits
The Data Link layer frames packets received from the Network layer.
RJ45 UTP rolled cable.

39. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
10101100.00010000.00010100.00110111
132.210.184.166
Layer 4
Switch or bridge

40. 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.
Network
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).

41. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Segments - packets - frames - bits
The Presentation layer makes sure that data is in a readable format for the Application layer.
Transport

42. This device creates one big collision domain and one large broadcast domain.
Switch to switch - host to host - switch to host
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.
Hub

43. Convert 10.11.12.99 to binary format.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
RJ45 UTP crossover cable.
00001010.00001011.00001100.01100011
Fiber-opticcable

44. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
198.211.57.209
Bridge or switch
Data Link & Physical
To provide a means for the receiver to govern the amount of data sent by the sender.

45. Which layer provides logical addressing that routers will use for path determination?
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.
48 bits (6 bytes)
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

46. 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?
Switch to switch - host to host - switch to host
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.
84:D2:43:B3

47. What type of RJ45 UTP cable is used between switches?
Transport
The Data Link layer frames packets received from the Network layer.
RJ45 UTP crossover cable.
Data Link

48. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
84:D2:43:B3
3 - 2 - 1 - none
The Session layer creates sessions between different hosts' applications.
The Network layer provides routing through an internetwork and logical addressing.

49. This device uses hardware addresses to filter a network.
CA:F5:83:EB
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Bridge or switch
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. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
Data Link (LLC sublayer)
The Network layer provides logical addressing - typically IP addressing and routing.
The Transport layer segments user data.
CA:F5:83:EB