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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. 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.
84:D2:43:B3
Segments - packets - frames - bits
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 breaks up collision domains and broadcast domains.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Fiber-opticcable
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.
Router

3. Which two fields are contained within an IEEE Ethernet frame header?
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Transport
Source and destination MAC address and FCS field
183/B7

4. Convert 192.168.10.15 to binary format.
RJ45 UTP crossover cable.
11000000.10101000.00001010.00001111
Data - segment - packet - frame - bit
The Data Link layer frames packets received from the Network layer.

5. This device can measure the distance to a remote network.
Buffering - windowing - congestion avoidance
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
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).

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

7. This layer supports flow control and sequencing.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
11000000.10101000.00001010.00001111
Transport
Data - segment - packet - frame - bit

8. What is the bit length and expression form of a MAC address?
Layer 4
Segments - packets - frames - bits
48 bits (6 bytes)
The Session layer sets up - maintains - and terminates sessions between applications.

9. Segmentation of a data stream happens at which layer of the OSI model?
To provide a means for the receiver to govern the amount of data sent by the sender.
Transport
CA:F5:83:EB
Buffering - windowing - congestion avoidance

10. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Layer 4
Switch or bridge
48 bits (6 bytes)
Hub and repeater

11. Ethernet is defined at these layers.
3 - 2 - 1 - none
Data Link & Physical
84:D2:43:B3
Router

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

13. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
The Data Link layer is responsible for the framing of data packets.
198.211.57.209
10101100.00010000.00010100.00110111
Transport

14. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
Layer 4
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Decrease the window size.
204.51.170.85

15. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Switch or bridge
The Network layer provides routing through an internetwork and logical addressing.
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

16. This layer creates a virtual circuit before transmitting between two end stations.
Hub
The Data Link layer is responsible for the framing of data packets.
Transport
Network

17. This device uses hardware addresses to filter a network.
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
11000000.10101000.00001010.00001111

18. This device creates one big collision domain and one large broadcast domain.
To create more collision domains and to add more bandwidth for users.
RJ45 UTP crossover cable.
Hub
The Physical layer is responsible for the electrical and mechanical connections between devices.

19. This device sends and receives information about the Network layer.
Router
Data Link & Physical
To create more collision domains and to add more bandwidth for users.
183/B7

20. This device can never run full duplex.
D8:1B:3D:76
198.211.57.209
Fiber-opticcable
Hub

21. Which layer provides logical addressing that routers will use for path determination?
The Network layer provides logical addressing - typically IP addressing and routing.
198.211.57.209
Hub and repeater
00001010.00001011.00001100.01100011

22. Convert 172.16.20.55 to binary format.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Data Link & Physical
10101100.00010000.00010100.00110111
132.210.184.166

23. Which layer is represented by segments?
Buffering - windowing - congestion avoidance
Transport
The Transport layer segments user data.
183/B7

24. Name four router functions.
Source and destination MAC address and FCS field
Packet switching - Packet filtering - Internetwork communication - Path selection
Network
The Presentation layer makes sure that data is in a readable format for the Application layer.

25. This layer uses service access points.
Data Link (LLC sublayer)
Packet switching - Packet filtering - Internetwork communication - Path selection
Router
Segments - packets - frames - bits

26. Which layer is responsible for creating - managing - and terminating sessions between applications?
Hub
The Session layer sets up - maintains - and terminates sessions between applications.
Data Link & Physical
Hub

27. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
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).
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
RJ45 UTP rolled cable.
To provide a means for the receiver to govern the amount of data sent by the sender.

28. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
132.210.184.166
Bridge or switch
3 - 2 - 1 - none
RJ45 UTP rolled cable.

29. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
Network
204.51.170.85
Router
Router

30. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
Data - segment - packet - frame - bit
The Presentation layer makes sure that data is in a readable format for the Application layer.
Switch or bridge
Decrease the window size.

31. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
Hub
Hub and repeater
The Data Link layer is responsible for the framing of data packets.
183/B7

32. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
The Data Link layer frames packets received from the Network layer.
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.
132.210.184.166
Transport

33. What are two purposes for segmentation with a bridge?
132.210.184.166
00001010.00001011.00001100.01100011
To create more collision domains and to add more bandwidth for users.
84:D2:43:B3

34. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
Bridge or switch
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
132.210.184.166
The Physical layer is responsible for the electrical and mechanical connections between devices.

35. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
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
The Presentation layer makes sure that data is in a readable format for the Application layer.
3 - 2 - 1 - none

36. Which layer is represented by packets?
Hub and repeater
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Layer 4
The Network layer creates packets out of segments handed down from the Transport layer.

37. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
Switch or bridge
84:D2:43:B3
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

38. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
Transport
The Session layer creates sessions between different hosts' applications.
D8:1B:3D:76
Data Link

39. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
132.210.184.166
To provide a means for the receiver to govern the amount of data sent by the sender.
Segments - packets - frames - bits
183/B7

40. Name three types of connections that can use full duplex.
Packet switching - Packet filtering - Internetwork communication - Path selection
Router
Switch to switch - host to host - switch to host
Data Link & Physical

41. Convert 10.11.12.99 to binary format.
Hub
The Network layer provides logical addressing - typically IP addressing and routing.
To create more collision domains and to add more bandwidth for users.
00001010.00001011.00001100.01100011

42. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
The Transport layer segments user data.
CA:F5:83:EB
Segments - packets - frames - bits
11000000.10101000.00001010.00001111

43. When data is encapsulated - which is the correct order?
Router
Data - segment - packet - frame - bit
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

44. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
198.211.57.209
Fiber-opticcable
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.

45. 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.
Hub
132.210.184.166
3 - 2 - 1 - none

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

47. Which layer segments and reassembles data into a data stream?
RJ45 UTP crossover cable.
183/B7
Transport
204.51.170.85

48. What is the purpose of flow control?
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
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
84:D2:43:B3
To provide a means for the receiver to govern the amount of data sent by the sender.

49. Which layer is represented by bits?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
CA:F5:83:EB
Data Link (LLC sublayer)
Layer 4

50. 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 Session layer sets up - maintains - and terminates sessions between applications.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
The Session layer creates sessions between different hosts' applications.
The Network layer creates packets out of segments handed down from the Transport layer.