Test your basic knowledge |

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. What type of RJ45 UTP cable is used between switches?
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 (LLC sublayer)
183/B7
RJ45 UTP crossover cable.

2. 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.
Hub
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 Network layer creates packets out of segments handed down from the Transport layer.

3. Logical addressing is used at this layer.
11000000.10101000.00001010.00001111
To create more collision domains and to add more bandwidth for users.
Network
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

4. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
The Network layer provides logical addressing - typically IP addressing and routing.
Buffering - windowing - congestion avoidance
The Data Link layer is responsible for the framing of data packets.
Data Link

5. Ethernet is defined at these layers.
Network
Data Link & Physical
The Session layer creates sessions between different hosts' applications.
Layer 4

6. 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?
The Physical layer is responsible for the electrical and mechanical connections between devices.
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.
10101100.00010000.00010100.00110111

7. 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 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 Presentation layer makes sure that data is in a readable format for the Application layer.
198.211.57.209

8. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
198.211.57.209
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.
00001010.00001011.00001100.01100011
The Data Link layer is responsible for the framing of data packets.

9. At which layer is routing implemented - enabling connections and path selection between two end systems?
Hub
Decrease the window size.
Transport
The Network layer provides routing through an internetwork and logical addressing.

10. What is the purpose of flow control?
Data Link (LLC sublayer)
Layer 4
To provide a means for the receiver to govern the amount of data sent by the sender.
132.210.184.166

11. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
Layer 4
Router
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Source and destination MAC address and FCS field

12. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Hub and repeater
The Network layer provides routing through an internetwork and logical addressing.

13. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Layer 4
Data - segment - packet - frame - bit
Data Link
11000000.10101000.00001010.00001111

14. This layer uses service access points.
Data Link (LLC sublayer)
Decrease the window size.
Network
Data Link & Physical

15. This device breaks up collision domains and broadcast domains.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
48 bits (6 bytes)
Router
84:D2:43:B3

16. Convert 10.11.12.99 to binary format.
00001010.00001011.00001100.01100011
The Presentation layer makes sure that data is in a readable format for the Application layer.
CA:F5:83:EB
183/B7

17. Which of the following are 3 common types of flow control?
RJ45 UTP crossover cable.
Buffering - windowing - congestion avoidance
00001010.00001011.00001100.01100011
The Data Link layer frames packets received from the Network layer.

18. Segmentation of a data stream happens at which layer of the OSI model?
The Session layer creates sessions between different hosts' applications.
Transport
183/B7
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

19. This layer creates a virtual circuit before transmitting between two end stations.
Bridge or switch
48 bits (6 bytes)
Packet switching - Packet filtering - Internetwork communication - Path selection
Transport

20. Convert 172.16.20.55 to binary format.
10101100.00010000.00010100.00110111
Segments - packets - frames - bits
CA:F5:83:EB
RJ45 UTP crossover cable.

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

22. Which two fields are contained within an IEEE Ethernet frame header?
The Session layer creates sessions between different hosts' applications.
132.210.184.166
48 bits (6 bytes)
Source and destination MAC address and FCS field

23. Which layer provides logical addressing that routers will use for path determination?
The Physical layer is responsible for the electrical and mechanical connections between devices.
Layer 4
Switch to switch - host to host - switch to host
The Network layer provides logical addressing - typically IP addressing and routing.

24. This device uses hardware addresses to filter a network.
The Session layer creates sessions between different hosts' applications.
Bridge or switch
10101100.00010000.00010100.00110111
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

25. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
183/B7
3 - 2 - 1 - none
204.51.170.85
The Transport layer segments user data.

26. Convert 192.168.10.15 to binary format.
Router
11000000.10101000.00001010.00001111
Packet switching - Packet filtering - Internetwork communication - Path selection
Hub

27. This layer supports flow control and sequencing.
The Transport layer segments user data.
Hub
Transport
Packet switching - Packet filtering - Internetwork communication - Path selection

28. Convert 11011000.00011011.00111101.01110110 to hexadecimal 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).
Data - segment - packet - frame - bit
D8:1B:3D:76
The Transport layer segments user data.

29. What is the bit length and expression form of a MAC address?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
132.210.184.166
48 bits (6 bytes)
Router

30. Why does the data communication industry use the layered OSI reference model? (Name two)
Data Link (LLC sublayer)
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 crossover cable.
The Data Link layer is responsible for the framing of data packets.

31. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Hub and repeater
Switch or bridge
Switch to switch - host to host - switch to host
Data Link (LLC sublayer)

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

33. This device creates one big collision domain and one large broadcast domain.
Hub
198.211.57.209
Buffering - windowing - congestion avoidance
Data Link (LLC sublayer)

34. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
The Transport layer segments user data.
Buffering - windowing - congestion avoidance
The Physical layer is responsible for the electrical and mechanical connections between devices.
Data Link

35. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
D8:1B:3D:76
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Network
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

36. When data is encapsulated - which is the correct order?
Data - segment - packet - frame - bit
Transport
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.

37. Which layer is represented by packets?
Packet switching - Packet filtering - Internetwork communication - Path selection
Bridge or switch
The Network layer creates packets out of segments handed down from the Transport layer.
To provide a means for the receiver to govern the amount of data sent by the sender.

38. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
Data - segment - packet - frame - bit
Hub and repeater
CA:F5:83:EB
Data Link & Physical

39. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
D8:1B:3D:76
10101100.00010000.00010100.00110111
Data - segment - packet - frame - bit
The Data Link layer is responsible for the framing of data packets.

40. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
Transport
Source and destination MAC address and FCS field
Hub
132.210.184.166

41. Name three types of connections that can use full duplex.
00001010.00001011.00001100.01100011
The Transport layer segments user data.
Transport
Switch to switch - host to host - switch to host

42. Which layer segments and reassembles data into a data stream?
Transport
Hub
Bridge or switch
The Network layer provides logical addressing - typically IP addressing and routing.

43. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
The Data Link layer is responsible for the framing of data packets.
Network
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
Segments - packets - frames - bits

44. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
Segments - packets - frames - bits
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
Hub and repeater

45. Which layer is responsible for creating - managing - and terminating sessions between applications?
48 bits (6 bytes)
Transport
The Session layer sets up - maintains - and terminates sessions between applications.
The Data Link layer frames packets received from the Network layer.

46. Name four router functions.
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 Session layer creates sessions between different hosts' applications.
Packet switching - Packet filtering - Internetwork communication - Path selection

47. What are two purposes for segmentation with a bridge?
To create more collision domains and to add more bandwidth for users.
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.
The Transport layer user virtual circuits to create a reliable connection between two hosts.

48. This device sends and receives information about the Network layer.
Hub and repeater
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Router
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

49. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
3 - 2 - 1 - none
RJ45 UTP crossover cable.
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.

50. 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.
RJ45 UTP rolled cable.
Segments - packets - frames - bits
Transport