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

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2. What type of RJ45 UTP cable is used between switches?
RJ45 UTP crossover cable.
204.51.170.85
Transport
3 - 2 - 1 - none

3. This device sends and receives information about the Network layer.
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.
Segments - packets - frames - bits
Router

4. This device creates one big collision domain and one large broadcast domain.
Hub
The Data Link layer is responsible for the framing of data packets.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Packet switching - Packet filtering - Internetwork communication - Path selection

5. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Switch to switch - host to host - switch to host
Network
The Data Link layer is responsible for the framing of data packets.

6. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
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).
Fiber-opticcable
Hub and repeater
Transport

7. 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.
Data - segment - packet - frame - bit
Bridge or switch
The Physical layer is responsible for the electrical and mechanical connections between devices.

8. Which two fields are contained within an IEEE Ethernet frame header?
198.211.57.209
Source and destination MAC address and FCS field
The Network layer provides routing through an internetwork and logical addressing.
The Data Link layer frames packets received from the Network layer.

9. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
10101100.00010000.00010100.00110111
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
204.51.170.85

10. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
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).
Hub
Segments - packets - frames - bits
The Data Link layer is responsible for the framing of data packets.

11. 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?
Hub
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Router
00001010.00001011.00001100.01100011

12. Segmentation of a data stream happens at which layer of the OSI model?
The Data Link layer frames packets received from the Network layer.
The Presentation layer makes sure that data is in a readable format for the Application layer.
Transport
The Transport layer user virtual circuits to create a reliable connection between two hosts.

13. Which layer is represented by bits?
CA:F5:83:EB
RJ45 UTP crossover cable.
Router
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

14. This device can never run full duplex.
Data Link (LLC sublayer)
The Session layer sets up - maintains - and terminates sessions between applications.
Hub
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

15. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
Hub
Decrease the window size.
Packet switching - Packet filtering - Internetwork communication - Path selection
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

16. Name three types of connections that can use full duplex.
Switch to switch - host to host - switch to host
The Data Link layer frames packets received from the Network layer.
Router
Hub

17. What is the bit length and expression form of a MAC address?
The Data Link layer frames packets received from the Network layer.
CA:F5:83:EB
48 bits (6 bytes)
The Network layer provides routing through an internetwork and logical addressing.

18. 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.
Data Link
Fiber-opticcable
Source and destination MAC address and FCS field

19. Which of the following are 3 common types of flow control?
Segments - packets - frames - bits
Buffering - windowing - congestion avoidance
RJ45 UTP rolled cable.
The Physical layer is responsible for the electrical and mechanical connections between devices.

20. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
Router
Transport
198.211.57.209
3 - 2 - 1 - none

21. Which layer segments and reassembles data into a data stream?
Bridge or switch
Transport
The Session layer sets up - maintains - and terminates sessions between applications.
The Session layer creates sessions between different hosts' applications.

22. Which layer is represented by segments?
Network
The Transport layer segments user data.
The Network layer provides logical addressing - typically IP addressing and routing.
Layer 4

23. This layer supports flow control and sequencing.
Packet switching - Packet filtering - Internetwork communication - Path selection
198.211.57.209
Transport
Segments - packets - frames - bits

24. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
The Session layer sets up - maintains - and terminates sessions between applications.
198.211.57.209
Network
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

25. Ethernet is defined at these layers.
CA:F5:83:EB
11000000.10101000.00001010.00001111
Data Link & Physical
48 bits (6 bytes)

26. This device breaks up collision domains and broadcast domains.
The Physical layer is responsible for the electrical and mechanical connections between devices.
Hub
Network
Router

27. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Data Link
Data Link & Physical
Layer 4
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).

28. What is the purpose of flow control?
RJ45 UTP crossover cable.
The Presentation layer makes sure that data is in a readable format for the Application layer.
To provide a means for the receiver to govern the amount of data sent by the sender.
Bridge or switch

29. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
Source and destination MAC address and FCS field
The Transport layer user virtual circuits to create a reliable connection between two hosts.
D8:1B:3D:76
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

30. 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
204.51.170.85
198.211.57.209
RJ45 UTP rolled cable.
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).

31. This layer uses service access points.
132.210.184.166
204.51.170.85
11000000.10101000.00001010.00001111
Data Link (LLC sublayer)

32. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Buffering - windowing - congestion avoidance
The Data Link layer is responsible for the framing of data packets.
Fiber-opticcable
The Transport layer segments user data.

33. Convert 172.16.20.55 to binary format.
Hub and repeater
10101100.00010000.00010100.00110111
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

34. This device can measure the distance to a remote network.
11000000.10101000.00001010.00001111
Network
Router
00001010.00001011.00001100.01100011

35. When data is encapsulated - which is the correct order?
Packet switching - Packet filtering - Internetwork communication - Path selection
Router
Data - segment - packet - frame - bit
Transport

36. Convert 11001100.00110011.10101010.01010101 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.
00001010.00001011.00001100.01100011
3 - 2 - 1 - none
204.51.170.85

37. Logical addressing is used at this 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.
Switch or bridge
Hub
Network

38. Convert 10.11.12.99 to binary format.
Segments - packets - frames - bits
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 is responsible for the electrical and mechanical connections between devices.
00001010.00001011.00001100.01100011

39. Name four router functions.
The Data Link layer is responsible for the framing of data packets.
132.210.184.166
Fiber-opticcable
Packet switching - Packet filtering - Internetwork communication - Path selection

40. Which layer is represented by packets?
The Network layer creates packets out of segments handed down from the Transport layer.
132.210.184.166
Network
11000000.10101000.00001010.00001111

41. Why does the data communication industry use the layered OSI reference model? (Name two)
CA:F5:83:EB
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
The Network layer creates packets out of segments handed down from the Transport layer.

42. What are two purposes for segmentation with a bridge?
To create more collision domains and to add more bandwidth for users.
The Network layer creates packets out of segments handed down from the Transport layer.
To provide a means for the receiver to govern the amount of data sent by the sender.
Network

43. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
CA:F5:83:EB
Network
The Session layer sets up - maintains - and terminates sessions between applications.
The Transport layer segments user data.

44. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
84:D2:43:B3
The Network layer provides logical addressing - typically IP addressing and routing.
Transport
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

45. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
3 - 2 - 1 - none
Data Link
198.211.57.209

46. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
The Data Link layer is responsible for the framing of data packets.
00001010.00001011.00001100.01100011
Data Link
10101100.00010000.00010100.00110111

47. This device uses hardware addresses to filter a network.
Transport
00001010.00001011.00001100.01100011
Fiber-opticcable
Bridge or switch

48. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
183/B7
The Data Link layer is responsible for the framing of data packets.
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

49. 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?
10101100.00010000.00010100.00110111
The Transport layer user virtual circuits to create a reliable connection between two hosts.
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.
183/B7

50. Which layer is responsible for creating - managing - and terminating sessions between applications?
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 Session layer sets up - maintains - and terminates sessions between applications.
The Data Link layer is responsible for the framing of data packets.
The Network layer provides routing through an internetwork and logical addressing.