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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. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Switch or bridge
RJ45 UTP crossover cable.
00001010.00001011.00001100.01100011
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.

2. This device can measure the distance to a remote network.
10101100.00010000.00010100.00110111
The Network layer provides logical addressing - typically IP addressing and routing.
Router
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

3. Name three types of connections that can use full duplex.
Segments - packets - frames - bits
Switch to switch - host to host - switch to host
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

4. Which layer is represented by segments?
Bridge or switch
The Transport layer segments user data.
D8:1B:3D:76
198.211.57.209

5. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
198.211.57.209
Layer 4
The Data Link layer frames packets received from the Network layer.
The Transport layer user virtual circuits to create a reliable connection between two hosts.

6. Logical addressing is used at this layer.
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
Hub
183/B7

7. Which layer is responsible for creating - managing - and terminating sessions between applications?
00001010.00001011.00001100.01100011
84:D2:43:B3
The Session layer sets up - maintains - and terminates sessions between applications.
Transport

8. Why does the data communication industry use the layered OSI reference model? (Name two)
Source and destination MAC address and FCS field
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.
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

9. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
The Presentation layer makes sure that data is in a readable format for the Application layer.
Data Link (LLC sublayer)
The Data Link layer frames packets received from the Network layer.
Segments - packets - frames - bits

10. Which layer provides logical addressing that routers will use for path determination?
To provide a means for the receiver to govern the amount of data sent by the sender.
The Network layer provides logical addressing - typically IP addressing and routing.
3 - 2 - 1 - none
Decrease the window size.

11. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
00001010.00001011.00001100.01100011
The Session layer creates sessions between different hosts' applications.
RJ45 UTP rolled cable.
CA:F5:83:EB

12. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
The Transport layer user virtual circuits to create a reliable connection between two hosts.
The Physical layer is responsible for the electrical and mechanical connections between devices.
Data Link (LLC sublayer)
00001010.00001011.00001100.01100011

13. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
Bridge or switch
132.210.184.166
D8:1B:3D:76
198.211.57.209

14. Which of the following are 3 common types of flow control?
Bridge or switch
Source and destination MAC address and FCS field
84:D2:43:B3
Buffering - windowing - congestion avoidance

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

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16. When data is encapsulated - which is the correct order?
Network
Data - segment - packet - frame - bit
To provide a means for the receiver to govern the amount of data sent by the sender.
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).

17. 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
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 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).
Router

18. This device uses hardware addresses to filter a network.
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).
Bridge or switch
Transport
RJ45 UTP rolled cable.

19. This layer creates a virtual circuit before transmitting between two end stations.
Network
Decrease the window size.
Transport
The Data Link layer frames packets received from the Network layer.

20. This device breaks up collision domains and broadcast domains.
D8:1B:3D:76
Transport
Transport
Router

21. Which layer is represented by bits?
Fiber-opticcable
Hub
Buffering - windowing - congestion avoidance
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

22. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
Packet switching - Packet filtering - Internetwork communication - Path selection
183/B7
Hub and repeater
Buffering - windowing - congestion avoidance

23. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
The Data Link layer frames packets received from the Network layer.
CA:F5:83:EB
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 Presentation layer makes sure that data is in a readable format for the Application layer.

24. What is the purpose of flow control?
Hub and repeater
To provide a means for the receiver to govern the amount of data sent by the sender.
Fiber-opticcable
Data Link (LLC sublayer)

25. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
Router
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
To provide a means for the receiver to govern the amount of data sent by the sender.

26. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
3 - 2 - 1 - none
The Session layer creates sessions between different hosts' applications.
10101100.00010000.00010100.00110111
183/B7

27. 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?
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
10101100.00010000.00010100.00110111
Data Link
Network

28. This device creates one big collision domain and one large broadcast domain.
Data - segment - packet - frame - bit
10101100.00010000.00010100.00110111
Hub
The Session layer sets up - maintains - and terminates sessions between applications.

29. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
D8:1B:3D:76
The Session layer creates sessions between different hosts' applications.
To create more collision domains and to add more bandwidth for users.
Data Link

30. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
Bridge or switch
Packet switching - Packet filtering - Internetwork communication - Path selection
Switch to switch - host to host - switch to host
198.211.57.209

31. Which layer is represented by packets?
The Network layer creates packets out of segments handed down from the Transport layer.
Transport
The Network layer provides routing through an internetwork and logical addressing.
3 - 2 - 1 - none

32. 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.
198.211.57.209
Data Link (LLC sublayer)

33. What is the bit length and expression form of a MAC address?
The Data Link layer is responsible for the framing of data packets.
198.211.57.209
48 bits (6 bytes)
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

34. Segmentation of a data stream happens at which layer of the OSI model?
Transport
Network
Router
Buffering - windowing - congestion avoidance

35. This device sends and receives information about the Network layer.
The Network layer creates packets out of segments handed down from the Transport layer.
Transport
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

36. At which layer is routing implemented - enabling connections and path selection between two end systems?
The Session layer creates sessions between different hosts' applications.
48 bits (6 bytes)
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.

37. Which layer is represented by frames?
The Data Link layer frames packets received from the Network layer.
The Network layer provides logical addressing - typically IP addressing and routing.
CA:F5:83:EB
The Transport layer segments user data.

38. Convert 192.168.10.15 to binary format.
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).
204.51.170.85
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
11000000.10101000.00001010.00001111

39. Name four router functions.
Fiber-opticcable
Router
Packet switching - Packet filtering - Internetwork communication - Path selection
Network

40. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
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 Data Link layer is responsible for the framing of data packets.
Hub and repeater
Buffering - windowing - congestion avoidance

41. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
11000000.10101000.00001010.00001111
RJ45 UTP rolled cable.
183/B7
48 bits (6 bytes)

42. This device can never run full duplex.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
The Presentation layer makes sure that data is in a readable format for the Application layer.
Hub
Router

43. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
Transport
84:D2:43:B3
Data Link (LLC sublayer)
Hub and repeater

44. Which two fields are contained within an IEEE Ethernet frame header?
The Session layer creates sessions between different hosts' applications.
Transport
RJ45 UTP rolled cable.
Source and destination MAC address and FCS field

45. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Transport
Fiber-opticcable
The Network layer creates packets out of segments handed down from the Transport layer.

46. 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 Data Link layer is responsible for the framing of data packets.
Decrease the window size.
84:D2:43:B3
3 - 2 - 1 - none

47. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
183/B7
132.210.184.166
The Network layer creates packets out of segments handed down from the Transport layer.
The Network layer provides routing through an internetwork and logical addressing.

48. Which layer segments and reassembles data into a data stream?
48 bits (6 bytes)
10101100.00010000.00010100.00110111
The Transport layer segments user data.
Transport

49. What type of RJ45 UTP cable is used between switches?
RJ45 UTP crossover cable.
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.
RJ45 UTP rolled cable.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

50. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
48 bits (6 bytes)
The Session layer sets up - maintains - and terminates sessions between applications.
RJ45 UTP rolled cable.
D8:1B:3D:76