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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 one big collision domain and one large broadcast domain.
Hub
198.211.57.209
Data Link (LLC sublayer)
Data Link

2. Which layer provides logical addressing that routers will use for path determination?
204.51.170.85
The Network layer provides logical addressing - typically IP addressing and routing.
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.
Layer 4

3. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Data - segment - packet - frame - bit
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.
Fiber-opticcable

4. 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
3 - 2 - 1 - none
Transport
Transport
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).

5. Which layer segments and reassembles data into a data stream?
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.
Bridge or switch
Transport
To provide a means for the receiver to govern the amount of data sent by the sender.

6. What type of RJ45 UTP cable is used between switches?
Data Link
CA:F5:83:EB
The Network layer provides logical addressing - typically IP addressing and routing.
RJ45 UTP crossover cable.

7. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
To provide a means for the receiver to govern the amount of data sent by the sender.
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 is responsible for the electrical and mechanical connections between devices.
Hub and repeater

8. Which layer is represented by frames?
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
Transport
The Data Link layer frames packets received from the Network layer.
Fiber-opticcable

9. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
The Transport layer segments user data.
3 - 2 - 1 - none
Hub and repeater
Decrease the window size.

10. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
Network
The Network layer provides logical addressing - typically IP addressing and routing.
The Network layer provides routing through an internetwork and logical addressing.
Router

11. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Router
Layer 4
To create more collision domains and to add more bandwidth for users.
183/B7

12. 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?
The Network layer provides logical addressing - typically IP addressing and routing.
RJ45 UTP rolled cable.
Decrease the window size.
Network

13. What is the bit length and expression form of a MAC address?
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.
The Data Link layer frames packets received from the Network layer.
The Session layer sets up - maintains - and terminates sessions between applications.

14. Convert 192.168.10.15 to binary format.
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.
Source and destination MAC address and FCS field
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
11000000.10101000.00001010.00001111

15. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
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 Physical layer is responsible for the electrical and mechanical connections between devices.
183/B7
The Session layer creates sessions between different hosts' applications.

16. 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?
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
The Session layer creates sessions between different hosts' applications.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
198.211.57.209

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

18. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
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.
To provide a means for the receiver to govern the amount of data sent by the sender.
The Session layer creates sessions between different hosts' applications.

19. This device can never run full duplex.
Hub
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
The Transport layer segments user data.

20. Name four router functions.
Packet switching - Packet filtering - Internetwork communication - Path selection
Hub
To provide a means for the receiver to govern the amount of data sent by the sender.
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.

21. Which two fields are contained within an IEEE Ethernet frame header?
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.
Source and destination MAC address and FCS field
The Data Link layer is responsible for the framing of data packets.
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

22. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
132.210.184.166
3 - 2 - 1 - none
Segments - packets - frames - bits
D8:1B:3D:76

23. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
Switch or bridge
Decrease the window size.
198.211.57.209
Buffering - windowing - congestion avoidance

24. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
Router
Hub and repeater
The Transport layer segments user data.
Data Link

25. This device sends and receives information about the Network layer.
Switch or bridge
The Presentation layer makes sure that data is in a readable format for the Application layer.
Router
Network

26. Convert 172.16.20.55 to binary format.
RJ45 UTP rolled cable.
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).
10101100.00010000.00010100.00110111
Switch or bridge

27. This layer supports flow control and sequencing.
11000000.10101000.00001010.00001111
Transport
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.

28. This layer uses service access points.
Transport
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 Physical layer is responsible for the electrical and mechanical connections between devices.
Data Link (LLC sublayer)

29. Which layer is responsible for creating - managing - and terminating sessions between applications?
The Network layer provides routing through an internetwork and logical addressing.
CA:F5:83:EB
The Session layer sets up - maintains - and terminates sessions between applications.
Layer 4

30. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
RJ45 UTP crossover cable.
Hub
The Session layer creates sessions between different hosts' applications.
84:D2:43:B3

31. Which layer is represented by bits?
198.211.57.209
The Transport layer user virtual circuits to create a reliable connection between two hosts.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Transport

32. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
Hub
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
The Data Link layer frames packets received from the Network layer.
Segments - packets - frames - bits

33. 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.
Bridge or switch
Decrease the window size.
Segments - packets - frames - bits

34. This layer creates a virtual circuit before transmitting between two end stations.
Transport
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
To create more collision domains and to add more bandwidth for users.
The Presentation layer makes sure that data is in a readable format for the Application layer.

35. 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.
To provide a means for the receiver to govern the amount of data sent by the sender.
Transport
Source and destination MAC address and FCS field

36. What is the purpose of flow control?
11000000.10101000.00001010.00001111
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
The Session layer sets up - maintains - and terminates sessions between applications.
To provide a means for the receiver to govern the amount of data sent by the sender.

37. Ethernet is defined at these layers.
Data Link & Physical
Layer 4
The Data Link layer is responsible for the framing of data packets.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

38. Which layer is represented by segments?
Hub
Segments - packets - frames - bits
The Transport layer segments user data.
Transport

39. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
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.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
RJ45 UTP rolled cable.

40. 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.
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).
Source and destination MAC address and FCS field
3 - 2 - 1 - none

41. This device can measure the distance to a remote network.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
D8:1B:3D:76
The Data Link layer frames packets received from the Network layer.
Router

42. Convert 10.11.12.99 to binary format.
48 bits (6 bytes)
00001010.00001011.00001100.01100011
Transport
Packet switching - Packet filtering - Internetwork communication - Path selection

43. When data is encapsulated - which is the correct order?
Bridge or switch
Data - segment - packet - frame - bit
48 bits (6 bytes)
The Network layer provides logical addressing - typically IP addressing and routing.

44. Which layer is represented by packets?
The Network layer creates packets out of segments handed down from the Transport layer.
Data Link (LLC sublayer)
Transport
The Session layer creates sessions between different hosts' applications.

45. This device creates many smaller collision domains - but the network is still one large broadcast domain.
48 bits (6 bytes)
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Switch or bridge
Switch to switch - host to host - switch to host

46. Which of the following are 3 common types of flow control?
132.210.184.166
Transport
Buffering - windowing - congestion avoidance
48 bits (6 bytes)

47. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
CA:F5:83:EB
RJ45 UTP rolled cable.
48 bits (6 bytes)
Switch or bridge

48. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
Transport
The Network layer provides logical addressing - typically IP addressing and routing.
CA:F5:83:EB
204.51.170.85

49. Why does the data communication industry use the layered OSI reference model? (Name two)
132.210.184.166
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.
84:D2:43:B3
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

50. Logical addressing is used at this layer.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Transport
Network
Fiber-opticcable