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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 is responsible for creating - managing - and terminating sessions between applications?
Source and destination MAC address and FCS field
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 Transport layer segments user data.
The Session layer sets up - maintains - and terminates sessions between applications.

2. This layer uses service access points.
CA:F5:83:EB
Data Link (LLC sublayer)
D8:1B:3D:76
Bridge or switch

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

4. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
D8:1B:3D:76
CA:F5:83:EB
Data Link (LLC sublayer)
204.51.170.85

5. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
Network
Bridge or switch
The Data Link layer is responsible for the framing of data packets.
D8:1B:3D:76

6. This device creates many smaller collision domains - but the network is still one large broadcast domain.
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
Switch or bridge
Data Link & Physical

7. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
84:D2:43:B3
Switch to switch - host to host - switch to host
The Data Link layer is responsible for the framing of data packets.

8. Which layer provides the physical transmission of the data and handles error notification - network topology - 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
RJ45 UTP crossover cable.

9. What is the bit length and expression form of a MAC address?
The Session layer creates sessions between different hosts' applications.
Data Link & Physical
The Presentation layer makes sure that data is in a readable format for the Application layer.
48 bits (6 bytes)

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

11. Which of the following are 3 common types of flow control?
Switch to switch - host to host - switch to host
Buffering - windowing - congestion avoidance
Data - segment - packet - frame - bit
The Session layer sets up - maintains - and terminates sessions between applications.

12. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
Transport
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Hub
3 - 2 - 1 - none

13. Which layer is represented by bits?
Transport
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Data Link (LLC sublayer)
Hub and repeater

14. Convert 192.168.10.15 to binary format.
The Network layer provides logical addressing - typically IP addressing and routing.
Layer 4
11000000.10101000.00001010.00001111
Segments - packets - frames - bits

15. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
CA:F5:83:EB
183/B7
Switch to switch - host to host - switch to host
198.211.57.209

16. 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
Data - segment - packet - frame - bit
132.210.184.166
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).

17. Name three types of connections that can use full duplex.
To create more collision domains and to add more bandwidth for users.
11000000.10101000.00001010.00001111
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Switch to switch - host to host - switch to host

18. This device can never run full duplex.
RJ45 UTP rolled cable.
Hub and repeater
204.51.170.85
Hub

19. Name four router functions.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
10101100.00010000.00010100.00110111
Data - segment - packet - frame - bit
Packet switching - Packet filtering - Internetwork communication - Path selection

20. This device sends and receives information about the Network layer.
Decrease the window size.
Router
Data - segment - packet - frame - bit
The Network layer creates packets out of segments handed down from the Transport layer.

21. 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.
Data Link & Physical
Decrease the window size.
The Data Link layer is responsible for the framing of data packets.

22. This device breaks up collision domains and broadcast domains.
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.
Buffering - windowing - congestion avoidance
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

23. Ethernet is defined at these layers.
Transport
Data Link & Physical
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
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.

24. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
CA:F5:83:EB
Router
Segments - packets - frames - bits
11000000.10101000.00001010.00001111

25. This device uses hardware addresses to filter a network.
Buffering - windowing - congestion avoidance
The Data Link layer is responsible for the framing of data packets.
Bridge or switch
Data Link

26. Which layer is represented by segments?
RJ45 UTP crossover cable.
The Transport layer segments user data.
Buffering - windowing - congestion avoidance
The Network layer provides logical addressing - typically IP addressing and routing.

27. 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?
Layer 4
Decrease the window size.
To provide a means for the receiver to govern the amount of data sent by the sender.
Transport

28. 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.
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.
Network

29. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
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).
00001010.00001011.00001100.01100011
Router

30. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
Packet switching - Packet filtering - Internetwork communication - Path selection
Switch to switch - host to host - switch to host
Switch or bridge
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

31. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
132.210.184.166
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
10101100.00010000.00010100.00110111

32. This device creates one big collision domain and one large broadcast domain.
To provide a means for the receiver to govern the amount of data sent by the sender.
Packet switching - Packet filtering - Internetwork communication - Path selection
Hub
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.

33. Convert 172.16.20.55 to binary format.
Transport
Transport
The Data Link layer is responsible for the framing of data packets.
10101100.00010000.00010100.00110111

34. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
Data Link
Hub
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
Bridge or switch

35. Which layer is represented by frames?
Switch or bridge
Transport
To create more collision domains and to add more bandwidth for users.
The Data Link layer frames packets received from the Network layer.

36. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
198.211.57.209
The Physical layer is responsible for the electrical and mechanical connections between devices.
Data Link & Physical
The Presentation layer makes sure that data is in a readable format for the Application layer.

37. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
Buffering - windowing - congestion avoidance
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.
Decrease the window size.
198.211.57.209

38. 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.
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
Data - segment - packet - frame - bit

39. When data is encapsulated - which is the correct order?
Transport
Data - segment - packet - frame - bit
00001010.00001011.00001100.01100011
Decrease the window size.

40. What are two purposes for segmentation with a bridge?
To create more collision domains and to add more bandwidth for users.
Data Link & Physical
48 bits (6 bytes)
Packet switching - Packet filtering - Internetwork communication - Path selection

41. Which layer is represented by packets?
The Network layer creates packets out of segments handed down from the Transport layer.
48 bits (6 bytes)
183/B7
Data Link

42. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
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 Data Link layer is responsible for the framing of data packets.
Fiber-opticcable
The Network layer provides routing through an internetwork and logical addressing.

43. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
The Session layer sets up - maintains - and terminates sessions between applications.
11000000.10101000.00001010.00001111
RJ45 UTP rolled cable.
The Transport layer user virtual circuits to create a reliable connection between two hosts.

44. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Data Link & Physical
Layer 4
Switch to switch - host to host - switch to host
00001010.00001011.00001100.01100011

45. Convert 10.11.12.99 to binary format.
Buffering - windowing - congestion avoidance
00001010.00001011.00001100.01100011
To create more collision domains and to add more bandwidth for users.
183/B7

46. 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?
132.210.184.166
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.
Buffering - windowing - congestion avoidance

47. Which layer provides logical addressing that routers will use for path determination?
Transport
The Session layer sets up - maintains - and terminates sessions between applications.
The Network layer provides logical addressing - typically IP addressing and routing.
Network

48. Segmentation of a data stream happens at which layer of the OSI model?
Buffering - windowing - congestion avoidance
Transport
Segments - packets - frames - bits
The Network layer provides logical addressing - typically IP addressing and routing.

49. This layer creates a virtual circuit before transmitting between two end stations.
The Network layer provides routing through an internetwork and logical addressing.
The Transport layer segments user data.
Transport
RJ45 UTP crossover cable.

50. This layer supports flow control and sequencing.
RJ45 UTP rolled cable.
Switch or bridge
The Physical layer is responsible for the electrical and mechanical connections between devices.
Transport