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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 of the following are 3 common types of flow control?
Network
Bridge or switch
D8:1B:3D:76
Buffering - windowing - congestion avoidance

2. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
The Physical layer is responsible for the electrical and mechanical connections between devices.
11000000.10101000.00001010.00001111
RJ45 UTP rolled cable.
Data Link & Physical

3. This layer creates a virtual circuit before transmitting between two end stations.
Transport
Decrease the window size.
48 bits (6 bytes)
Network

4. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
10101100.00010000.00010100.00110111
The Transport layer segments user data.
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.

5. 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?
Transport
The Transport layer segments user data.
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

6. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
Hub
198.211.57.209
To create more collision domains and to add more bandwidth for users.
Data Link

7. What type of RJ45 UTP cable is used between switches?
Transport
RJ45 UTP crossover cable.
The Data Link layer is responsible for the framing of data packets.
Bridge or switch

8. 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.
The Network layer provides routing through an internetwork and logical addressing.
Network
The Network layer provides logical addressing - typically IP addressing and routing.

9. Convert 192.168.10.15 to binary format.
Transport
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
11000000.10101000.00001010.00001111

10. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
Router
Data - segment - packet - frame - bit
Hub
Hub and repeater

11. This device can measure the distance to a remote network.
Router
The Network layer provides logical addressing - typically IP addressing and routing.
Data - segment - packet - frame - bit
Source and destination MAC address and FCS field

12. Logical addressing is used at this layer.
Network
10101100.00010000.00010100.00110111
The Transport layer segments user data.
Transport

13. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
Data Link & Physical
132.210.184.166
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.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

14. Which layer is represented by frames?
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 Data Link layer frames packets received from the Network layer.
Transport
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

15. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
The Data Link layer frames packets received from the Network layer.
Switch or bridge
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Layer 4

16. This device creates one big collision domain and one large broadcast domain.
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
RJ45 UTP crossover cable.
Hub

17. At which layer is routing implemented - enabling connections and path selection between two end systems?
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 Network layer provides routing through an internetwork and logical addressing.
Router
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

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).
To provide a means for the receiver to govern the amount of data sent by the sender.
Bridge or switch
The Session layer sets up - maintains - and terminates sessions between applications.

19. 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.
Fiber-opticcable
198.211.57.209
183/B7

20. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
Transport
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
The Data Link layer is responsible for the framing of data packets.
Source and destination MAC address and FCS field

21. Which layer is represented by packets?
The Network layer creates packets out of segments handed down from the Transport layer.
198.211.57.209
Source and destination MAC address and FCS field
Router

22. Ethernet is defined at these layers.
D8:1B:3D:76
The Data Link layer frames packets received from the Network layer.
The Network layer provides logical addressing - typically IP addressing and routing.
Data Link & Physical

23. Convert 172.16.20.55 to binary format.
10101100.00010000.00010100.00110111
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.
Transport
Router

24. Which layer is represented by segments?
The Network layer creates packets out of segments handed down from the Transport layer.
84:D2:43:B3
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
The Transport layer segments user data.

25. Which layer is represented by bits?
CA:F5:83:EB
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
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).

26. Convert 10.11.12.99 to binary format.
Switch to switch - host to host - switch to host
183/B7
CA:F5:83:EB
00001010.00001011.00001100.01100011

27. This device breaks up collision domains and broadcast domains.
Data Link & Physical
The Network layer creates packets out of segments handed down from the Transport layer.
Router
RJ45 UTP rolled cable.

28. Which layer is responsible for creating - managing - and terminating sessions between applications?
The Session layer sets up - maintains - and terminates sessions between applications.
RJ45 UTP crossover cable.
84:D2:43:B3
The Transport layer user virtual circuits to create a reliable connection between two hosts.

29. 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
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Network
11000000.10101000.00001010.00001111

30. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
Network
Data Link (LLC sublayer)
3 - 2 - 1 - none
84:D2:43:B3

31. Which layer provides logical addressing that routers will use for path determination?
The Network layer provides logical addressing - typically IP addressing and routing.
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).
Switch or bridge

32. What is the bit length and expression form of a MAC address?
48 bits (6 bytes)
Network
183/B7
Fiber-opticcable

33. This device sends and receives information about the Network layer.
Router
The Presentation layer makes sure that data is in a readable format for the Application layer.
Hub
84:D2:43:B3

34. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
Bridge or switch
The Network layer provides routing through an internetwork and logical addressing.
Data Link
Hub and repeater

35. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
Fiber-opticcable
Decrease the window size.
00001010.00001011.00001100.01100011
The Physical layer is responsible for the electrical and mechanical connections between devices.

36. Which two fields are contained within an IEEE Ethernet frame header?
132.210.184.166
Source and destination MAC address and FCS field
Transport
10101100.00010000.00010100.00110111

37. What are two purposes for segmentation with a bridge?
The Network layer provides routing through an internetwork and logical addressing.
To create more collision domains and to add more bandwidth for users.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
132.210.184.166

38. This device can never run full duplex.
84:D2:43:B3
Transport
Bridge or switch
Hub

39. Name three types of connections that can use full duplex.
The Physical layer is responsible for the electrical and mechanical connections between devices.
10101100.00010000.00010100.00110111
Switch to switch - host to host - switch to host
Hub

40. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
Source and destination MAC address and FCS field
Switch or bridge
Transport
Network

41. This layer uses service access points.
Layer 4
Switch or bridge
Switch to switch - host to host - switch to host
Data Link (LLC sublayer)

42. Which layer segments and reassembles data into a data stream?
The Data Link layer frames packets received from the Network layer.
The Network layer provides routing through an internetwork and logical addressing.
Hub and repeater
Transport

43. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
Transport
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).
CA:F5:83:EB
00001010.00001011.00001100.01100011

44. 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 Data Link layer is responsible for the framing of data packets.
Router
Bridge or switch
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).

45. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
Switch or bridge
Layer 4
183/B7
Buffering - windowing - congestion avoidance

46. Name four router functions.
The Data Link layer is responsible for the framing of data packets.
Packet switching - Packet filtering - Internetwork communication - Path selection
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
D8:1B:3D:76

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

48. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
132.210.184.166
48 bits (6 bytes)
The Presentation layer makes sure that data is in a readable format for the Application layer.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

49. This layer supports flow control and sequencing.
Transport
Data Link & Physical
Decrease the window size.
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 11011000.00011011.00111101.01110110 to hexadecimal format.
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.
48 bits (6 bytes)
D8:1B:3D:76