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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 provides logical addressing that routers will use for path determination?
The Network layer provides logical addressing - typically IP addressing and routing.
Layer 4
132.210.184.166
Packet switching - Packet filtering - Internetwork communication - Path selection

2. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
84:D2:43:B3
132.210.184.166
To create more collision domains and to add more bandwidth for users.
Data Link & Physical

3. Segmentation of a data stream happens at which layer of the OSI model?
Transport
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Packet switching - Packet filtering - Internetwork communication - Path selection
To provide a means for the receiver to govern the amount of data sent by the sender.

4. Which layer segments and reassembles data into a data stream?
Decrease the window size.
183/B7
Transport
The Network layer creates packets out of segments handed down from the Transport layer.

5. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
Router
RJ45 UTP rolled cable.
The Session layer sets up - maintains - and terminates sessions between applications.
The Network layer provides routing through an internetwork and logical addressing.

6. This device sends and receives information about the Network layer.
The Network layer provides routing through an internetwork and logical addressing.
Data Link & Physical
To create more collision domains and to add more bandwidth for users.
Router

7. Which of the following are 3 common types of flow control?
Buffering - windowing - congestion avoidance
Decrease the window size.
183/B7
The Presentation layer makes sure that data is in a readable format for the Application layer.

8. What type of RJ45 UTP cable is used between switches?
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
RJ45 UTP crossover cable.
Bridge or switch

9. This device breaks up collision domains and broadcast domains.
Hub
The Network layer provides logical addressing - typically IP addressing and routing.
Router
132.210.184.166

10. Which layer is represented by packets?
Router
The Network layer creates packets out of segments handed down from the Transport layer.
Data - segment - packet - frame - bit
Packet switching - Packet filtering - Internetwork communication - Path selection

11. 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.
Router
Segments - packets - frames - bits
Layer 4

12. Which layer is responsible for creating - managing - and terminating sessions between applications?
Switch to switch - host to host - switch to host
Data Link
Decrease the window size.
The Session layer sets up - maintains - and terminates sessions between applications.

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

14. Name four router functions.
The Session layer creates sessions between different hosts' applications.
Decrease the window size.
Packet switching - Packet filtering - Internetwork communication - Path selection
The Transport layer segments user data.

15. When data is encapsulated - which is the correct order?
Data - segment - packet - frame - bit
Hub and repeater
Transport
The Data Link layer frames packets received from the Network layer.

16. 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.
Network
The Transport layer segments user data.
The Network layer creates packets out of segments handed down from the Transport layer.

17. What is the bit length and expression form of a MAC address?
Buffering - windowing - congestion avoidance
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.
Bridge or switch

18. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
The Session layer creates sessions between different hosts' applications.
The Network layer provides routing through an internetwork and logical addressing.
CA:F5:83:EB
Data Link

19. This layer supports flow control and sequencing.
Transport
Data Link (LLC sublayer)
Network
Hub and repeater

20. 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.
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
Transport

21. Convert 172.16.20.55 to binary format.
10101100.00010000.00010100.00110111
The Data Link layer is responsible for the framing of data packets.
Router
Hub

22. This device can never run full duplex.
Hub
48 bits (6 bytes)
00001010.00001011.00001100.01100011
Transport

23. Convert 10.11.12.99 to binary format.
Data Link & Physical
Network
00001010.00001011.00001100.01100011
Data Link

24. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
The Network layer creates packets out of segments handed down from the Transport layer.
Layer 4
132.210.184.166
The Session layer creates sessions between different hosts' applications.

25. Logical addressing is used at this layer.
Decrease the window size.
Network
To provide a means for the receiver to govern the amount of data sent by the sender.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

26. Which layer is represented by segments?
84:D2:43:B3
To provide a means for the receiver to govern the amount of data sent by the sender.
10101100.00010000.00010100.00110111
The Transport layer segments user data.

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.
Switch or bridge
Fiber-opticcable
The Transport layer segments user data.

28. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
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
198.211.57.209
The Transport layer segments user data.

29. Name three types of connections that can use full duplex.
Switch to switch - host to host - switch to host
10101100.00010000.00010100.00110111
Router
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

30. This device can measure the distance to a remote network.
Hub
Router
Network
10101100.00010000.00010100.00110111

31. 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 Transport layer user virtual circuits to create a reliable connection between two hosts.
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
132.210.184.166
The Session layer creates sessions between different hosts' applications.

32. 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 creates packets out of segments handed down from the Transport layer.
Switch or bridge
Hub

33. What are two purposes for segmentation with a bridge?
To create more collision domains and to add more bandwidth for users.
Transport
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Data Link (LLC sublayer)

34. This device uses hardware addresses to filter a network.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Source and destination MAC address and FCS field
Bridge or switch
Layer 4

35. At which layer is routing implemented - enabling connections and path selection between two end systems?
11000000.10101000.00001010.00001111
The Network layer provides routing through an internetwork and logical addressing.
Source and destination MAC address and FCS field
The Presentation layer makes sure that data is in a readable format for the Application layer.

36. This device creates one big collision domain and one large broadcast domain.
The Data Link layer is responsible for the framing of data packets.
Data Link (LLC sublayer)
Hub
11000000.10101000.00001010.00001111

37. 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?
D8:1B:3D:76
Decrease the window size.
Fiber-opticcable
48 bits (6 bytes)

38. Which layer is represented by frames?
The Presentation layer makes sure that data is in a readable format for the Application layer.
The Data Link layer is responsible for the framing of data packets.
The Data Link layer frames packets received from the Network layer.
The Session layer sets up - maintains - and terminates sessions between applications.

39. This layer creates a virtual circuit before transmitting between two end stations.
D8:1B:3D:76
The Presentation layer makes sure that data is in a readable format for the Application layer.
Packet switching - Packet filtering - Internetwork communication - Path selection
Transport

40. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
Switch or bridge
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.
CA:F5:83:EB
183/B7

41. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
Transport
Data Link (LLC sublayer)
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Router

42. Which layer is represented by bits?
48 bits (6 bytes)
132.210.184.166
198.211.57.209
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

43. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
Network
The Network layer creates packets out of segments handed down from the Transport layer.
84:D2:43:B3
Network

44. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
Buffering - windowing - congestion avoidance
204.51.170.85
The Data Link layer frames packets received from the Network layer.
Transport

45. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
183/B7
Switch to switch - host to host - switch to host
Transport
The Physical layer is responsible for the electrical and mechanical connections between devices.

46. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
84:D2:43:B3
Data Link
Network
RJ45 UTP rolled cable.

47. Convert 192.168.10.15 to binary format.
11000000.10101000.00001010.00001111
00001010.00001011.00001100.01100011
Transport
To provide a means for the receiver to govern the amount of data sent by the sender.

48. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
To provide a means for the receiver to govern the amount of data sent by the sender.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Data Link
The Transport layer segments user data.

49. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
Segments - packets - frames - bits
Switch to switch - host to host - switch to host
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
183/B7

50. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Switch or bridge
The Data Link layer is responsible for the framing of data packets.
00001010.00001011.00001100.01100011
CA:F5:83:EB