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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 creates many smaller collision domains - but the network is still one large broadcast domain.
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.
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

2. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
11000000.10101000.00001010.00001111
48 bits (6 bytes)
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 Session layer creates sessions between different hosts' applications.

3. Which layer is represented by packets?
Decrease the window size.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Network
The Network layer creates packets out of segments handed down from the Transport layer.

4. When data is encapsulated - which is the correct order?
Segments - packets - frames - bits
48 bits (6 bytes)
Network
Data - segment - packet - frame - bit

5. Name four router functions.
Transport
Packet switching - Packet filtering - Internetwork communication - Path selection
Buffering - windowing - congestion avoidance
The Transport layer segments user data.

6. Which layer is represented by frames?
Source and destination MAC address and FCS field
3 - 2 - 1 - none
Switch to switch - host to host - switch to host
The Data Link layer frames packets received from the Network layer.

7. This layer uses service access points.
The Network layer provides routing through an internetwork and logical addressing.
132.210.184.166
Router
Data Link (LLC sublayer)

8. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
The Network layer creates packets out of segments handed down from the Transport layer.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Fiber-opticcable
Segments - packets - frames - bits

9. This device creates one big collision domain and one large broadcast domain.
Hub
RJ45 UTP crossover cable.
Transport
Data Link

10. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
The Presentation layer makes sure that data is in a readable format for the Application 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.
198.211.57.209
Hub and repeater

11. Convert 10.11.12.99 to binary format.
The Session layer creates sessions between different hosts' applications.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
00001010.00001011.00001100.01100011
11000000.10101000.00001010.00001111

12. Logical addressing is used at this layer.
Router
Network
The Session layer sets up - maintains - and terminates sessions between applications.
The Session layer creates sessions between different hosts' applications.

13. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
Router
The Network layer creates packets out of segments handed down from the Transport layer.
3 - 2 - 1 - none
183/B7

14. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
To create more collision domains and to add more bandwidth for users.
The Data Link layer frames packets received from the Network layer.
183/B7
The Session layer creates sessions between different hosts' applications.

15. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
Data Link
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Hub
Source and destination MAC address and FCS field

16. Which layer is responsible for creating - managing - and terminating sessions between applications?
Transport
The Session layer sets up - maintains - and terminates sessions between applications.
Network
Decrease the window size.

17. What are two purposes for segmentation with a bridge?
Decrease the window size.
Transport
To create more collision domains and to add more bandwidth for users.
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.

18. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
Hub
CA:F5:83:EB
84:D2:43:B3
48 bits (6 bytes)

19. 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.
10101100.00010000.00010100.00110111
Transport
Switch to switch - host to host - switch to host

20. Convert 172.16.20.55 to binary format.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
10101100.00010000.00010100.00110111
198.211.57.209
CA:F5:83:EB

21. Name three types of connections that can use full duplex.
The Session layer sets up - maintains - and terminates sessions between applications.
Router
198.211.57.209
Switch to switch - host to host - switch to host

22. This device can measure the distance to a remote network.
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.
Buffering - windowing - congestion avoidance

23. 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?
Transport
To provide a means for the receiver to govern the amount of data sent by the sender.
Decrease the window size.
3 - 2 - 1 - none

24. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
198.211.57.209
Router
The Physical layer is responsible for the electrical and mechanical connections between devices.
The Session layer sets up - maintains - and terminates sessions between applications.

25. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
D8:1B:3D:76
00001010.00001011.00001100.01100011
The Data Link layer is responsible for the framing of data packets.
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.

26. This device sends and receives information about the Network layer.
Router
Fiber-opticcable
Data Link (LLC sublayer)
Transport

27. Ethernet is defined at these layers.
Router
CA:F5:83:EB
Data Link & Physical
The Presentation layer makes sure that data is in a readable format for the Application layer.

28. Why does the data communication industry use the layered OSI reference model? (Name two)
Fiber-opticcable
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
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.

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

30. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
84:D2:43:B3
Network
The Network layer creates packets out of segments handed down from the Transport layer.
D8:1B:3D:76

31. Which layer provides logical addressing that routers will use for path determination?
The Network layer provides logical addressing - typically IP addressing and routing.
Data Link & Physical
Switch or bridge
The Network layer provides routing through an internetwork and logical addressing.

32. This device can never run full duplex.
Network
Hub
48 bits (6 bytes)
The Network layer provides logical addressing - typically IP addressing and routing.

33. This layer supports flow control and sequencing.
84:D2:43:B3
Transport
Switch or bridge
The Session layer sets up - maintains - and terminates sessions between applications.

34. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
Bridge or switch
204.51.170.85
Segments - packets - frames - bits
Network

35. Which layer is represented by bits?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
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.
RJ45 UTP rolled cable.
D8:1B:3D:76

36. This device uses hardware addresses to filter a network.
The Data Link layer is responsible for the framing of data packets.
Bridge or switch
Decrease the window size.
Switch to switch - host to host - switch to host

37. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
Packet switching - Packet filtering - Internetwork communication - Path selection
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.
132.210.184.166
Hub

38. Which of the following are 3 common types of flow control?
Buffering - windowing - congestion avoidance
Layer 4
D8:1B:3D:76
Bridge or switch

39. Which layer segments and reassembles data into a data stream?
Router
Hub and repeater
Transport
The Session layer sets up - maintains - and terminates sessions between applications.

40. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
11000000.10101000.00001010.00001111
Segments - packets - frames - bits
Hub
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).

41. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
The Transport layer segments user data.
Packet switching - Packet filtering - Internetwork communication - Path selection
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Fiber-opticcable

42. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
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 is responsible for transporting 1s and 0s in a digital signal.
RJ45 UTP rolled cable.

43. 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 Transport layer segments user data.
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).
RJ45 UTP crossover cable.
Hub and repeater

44. This layer creates a virtual circuit before transmitting between two end stations.
RJ45 UTP rolled cable.
10101100.00010000.00010100.00110111
Hub and repeater
Transport

45. This device breaks up collision domains and broadcast domains.
11000000.10101000.00001010.00001111
Router
The Data Link layer is responsible for the framing of data packets.
48 bits (6 bytes)

46. Segmentation of a data stream happens at which layer of the OSI model?
The Network layer creates packets out of segments handed down from the Transport layer.
Switch or bridge
Data Link (LLC sublayer)
Transport

47. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
204.51.170.85
Data Link (LLC sublayer)
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
RJ45 UTP crossover cable.

48. 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 Session layer creates sessions between different hosts' applications.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
183/B7

49. 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?
Source and destination MAC address and FCS field
The Transport layer user virtual circuits to create a reliable connection between two hosts.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Switch to switch - host to host - switch to host

50. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
Transport
Network
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
CA:F5:83:EB