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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 uses hardware addresses to filter a network.
D8:1B:3D:76
Bridge or switch
The Network layer provides logical addressing - typically IP addressing and routing.
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. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
Bridge or switch
Transport
The Presentation layer makes sure that data is in a readable format for the Application layer.
The Data Link layer frames packets received from the Network layer.

3. This device can never run full duplex.
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.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Hub

4. Convert 10.11.12.99 to binary format.
Network
00001010.00001011.00001100.01100011
Router
The Network layer provides routing through an internetwork and logical addressing.

5. Which layer segments and reassembles data into a data stream?
132.210.184.166
Transport
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
10101100.00010000.00010100.00110111

6. 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).
11000000.10101000.00001010.00001111
3 - 2 - 1 - none
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.

7. Name four router functions.
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.
Packet switching - Packet filtering - Internetwork communication - Path selection
Transport
10101100.00010000.00010100.00110111

8. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
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).
Buffering - windowing - congestion avoidance
Fiber-opticcable
The Physical layer is responsible for the electrical and mechanical connections between devices.

9. Acknowledgments - sequencing - and flow control are characteristics of which OSI 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.
Layer 4
Data - segment - packet - frame - bit
To create more collision domains and to add more bandwidth for users.

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

11. Ethernet is defined at these layers.
Data Link & Physical
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).
Transport
The Session layer sets up - maintains - and terminates sessions between applications.

12. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
Source and destination MAC address and FCS field
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Switch or bridge
11000000.10101000.00001010.00001111

13. This device breaks up collision domains and broadcast domains.
Transport
48 bits (6 bytes)
Router
Packet switching - Packet filtering - Internetwork communication - Path selection

14. 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
00001010.00001011.00001100.01100011
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.
Data Link (LLC sublayer)

15. Which two fields are contained within an IEEE Ethernet frame header?
Source and destination MAC address and FCS field
RJ45 UTP crossover cable.
Data Link & Physical
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

16. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
132.210.184.166
To create more collision domains and to add more bandwidth for users.
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
Data - segment - packet - frame - bit

17. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
Hub and repeater
Data Link
To provide a means for the receiver to govern the amount of data sent by the sender.
Layer 4

18. This device sends and receives information about the Network layer.
The Session layer creates sessions between different hosts' applications.
Packet switching - Packet filtering - Internetwork communication - Path selection
The Network layer provides logical addressing - typically IP addressing and routing.
Router

19. This device can measure the distance to a remote network.
Router
The Presentation layer makes sure that data is in a readable format for the Application layer.
Buffering - windowing - congestion avoidance
204.51.170.85

20. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
198.211.57.209
Transport
Network
204.51.170.85

21. Which of the following are 3 common types of flow control?
Data Link
Transport
Buffering - windowing - congestion avoidance
Packet switching - Packet filtering - Internetwork communication - Path selection

22. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
84:D2:43:B3
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Data - segment - packet - frame - bit
RJ45 UTP rolled cable.

23. What is the purpose of flow control?
Switch to switch - host to host - switch to host
To provide a means for the receiver to govern the amount of data sent by the sender.
Source and destination MAC address and FCS field
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

24. Which layer is represented by segments?
The Transport layer segments user data.
132.210.184.166
The Network layer provides logical addressing - typically IP addressing and routing.
Transport

25. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
Bridge or switch
Transport
To create more collision domains and to add more bandwidth for users.
The Physical layer is responsible for the electrical and mechanical connections between devices.

26. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
CA:F5:83:EB
Buffering - windowing - congestion avoidance
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
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).

27. This device creates one big collision domain and one large broadcast domain.
Data Link (LLC sublayer)
204.51.170.85
Hub
The Data Link layer is responsible for the framing of data packets.

28. What type of RJ45 UTP cable is used between switches?
To create more collision domains and to add more bandwidth for users.
RJ45 UTP crossover cable.
The Data Link layer is responsible for the framing of data packets.
The Presentation layer makes sure that data is in a readable format for the Application layer.

29. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
The Transport layer segments user data.
Buffering - windowing - congestion avoidance
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Network

30. At which layer is routing implemented - enabling connections and path selection between two end systems?
The Presentation layer makes sure that data is in a readable format for the Application layer.
The Network layer provides routing through an internetwork and logical addressing.
CA:F5:83:EB
Data - segment - packet - frame - bit

31. Name three types of connections that can use full duplex.
Router
Switch to switch - host to host - switch to host
Source and destination MAC address and FCS field
The Transport layer segments user data.

32. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
Data Link
RJ45 UTP rolled cable.
Router
Segments - packets - frames - bits

33. This layer creates a virtual circuit before transmitting between two end stations.
The Presentation layer makes sure that data is in a readable format for the Application layer.
84:D2:43:B3
Transport
CA:F5:83:EB

34. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
Data - segment - packet - frame - bit
3 - 2 - 1 - none
132.210.184.166
Network

35. Segmentation of a data stream happens at which layer of the OSI model?
00001010.00001011.00001100.01100011
Router
Transport
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

36. When data is encapsulated - which is the correct order?
Data - segment - packet - frame - bit
Fiber-opticcable
The Data Link layer frames packets received from the Network layer.
The Network layer provides logical addressing - typically IP addressing and routing.

37. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
183/B7
Network
Hub
00001010.00001011.00001100.01100011

38. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
Hub and repeater
10101100.00010000.00010100.00110111
D8:1B:3D:76
Transport

39. 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.
Layer 4
132.210.184.166
84:D2:43:B3

40. What are two purposes for segmentation with a bridge?
Data Link (LLC sublayer)
Buffering - windowing - congestion avoidance
The Physical layer is responsible for the electrical and mechanical connections between devices.
To create more collision domains and to add more bandwidth for users.

41. Convert 172.16.20.55 to binary format.
00001010.00001011.00001100.01100011
204.51.170.85
Fiber-opticcable
10101100.00010000.00010100.00110111

42. 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.
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 & Physical
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

43. 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?
198.211.57.209
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).
Decrease the window size.
Transport

44. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Switch or bridge
Buffering - windowing - congestion avoidance
RJ45 UTP crossover cable.
Packet switching - Packet filtering - Internetwork communication - Path selection

45. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
The Data Link layer is responsible for the framing of data packets.
The Network layer provides logical addressing - typically IP addressing and routing.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
00001010.00001011.00001100.01100011

46. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
Source and destination MAC address and FCS field
Data Link (LLC sublayer)
198.211.57.209
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

47. Which layer is responsible for creating - managing - and terminating sessions between applications?
The Session layer sets up - maintains - and terminates sessions between applications.
Hub
Decrease the window size.
183/B7

48. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
Buffering - windowing - congestion avoidance
3 - 2 - 1 - none
To provide a means for the receiver to govern the amount of data sent by the sender.
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

49. Which layer is represented by frames?
The Data Link layer frames packets received from the Network layer.
Router
10101100.00010000.00010100.00110111
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

50. Which layer is represented by packets?
3 - 2 - 1 - none
The Data Link layer is responsible for the framing of data packets.
Router
The Network layer creates packets out of segments handed down from the Transport layer.