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. 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
To create more collision domains and to add more bandwidth for users.
Router
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).
3 - 2 - 1 - none

2. Logical addressing is used at this layer.
Router
Network
Hub and repeater
The Transport layer segments user data.

3. 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?
Router
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Transport
Transport

4. Which layer is represented by frames?
The Data Link layer frames packets received from the Network layer.
Transport
RJ45 UTP rolled cable.
Source and destination MAC address and FCS field

5. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
00001010.00001011.00001100.01100011
10101100.00010000.00010100.00110111
The Network layer provides logical addressing - typically IP addressing and routing.
132.210.184.166

6. This device can measure the distance to a remote network.
Router
48 bits (6 bytes)
Data - segment - packet - frame - bit
204.51.170.85

7. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Data Link & Physical
Switch or bridge
11000000.10101000.00001010.00001111
Layer 4

8. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
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.
Router
Network
Segments - packets - frames - bits

9. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
Transport
Segments - packets - frames - bits
84:D2:43:B3
Hub and repeater

10. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
Data Link
204.51.170.85
Data Link & Physical
Router

11. Which layer is represented by segments?
The Data Link layer frames packets received from the Network layer.
Transport
The Transport layer segments user data.
The Session layer sets up - maintains - and terminates sessions between applications.

12. Ethernet is defined at these layers.
Switch to switch - host to host - switch to host
Data Link & Physical
Decrease the window size.
183/B7

13. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Router
183/B7
Fiber-opticcable

14. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Layer 4
Router
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
RJ45 UTP crossover cable.

15. 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.
Transport
The Presentation layer makes sure that data is in a readable format for the Application layer.
Fiber-opticcable

16. Segmentation of a data stream happens at which layer of the OSI model?
Transport
Network
RJ45 UTP crossover cable.
198.211.57.209

17. Which layer is responsible for creating - managing - and terminating sessions between applications?
The Network layer provides logical addressing - typically IP addressing and routing.
The Session layer sets up - maintains - and terminates sessions between applications.
Packet switching - Packet filtering - Internetwork communication - Path selection
The Network layer provides routing through an internetwork and logical addressing.

18. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
The Transport layer segments user data.
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.
Router

19. When data is encapsulated - which is the correct order?
Network
Data - segment - packet - frame - bit
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Router

20. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
198.211.57.209
84:D2:43:B3
Decrease the window size.
Data Link & Physical

21. This layer uses service access points.
Data Link
Data Link (LLC sublayer)
The Network layer creates packets out of segments handed down from the Transport layer.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

22. Convert 172.16.20.55 to binary format.
Buffering - windowing - congestion avoidance
Data - segment - packet - frame - bit
10101100.00010000.00010100.00110111
Hub

23. Name three types of connections that can use full duplex.
132.210.184.166
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).
Switch to switch - host to host - switch to host

24. Which layer is represented by bits?
The Physical layer is responsible for the electrical and mechanical connections between devices.
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 Physical layer is responsible for transporting 1s and 0s in a digital signal.

25. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
RJ45 UTP crossover cable.
Transport
RJ45 UTP rolled cable.
The Presentation layer makes sure that data is in a readable format for the Application layer.

26. Which of the following are 3 common types of flow control?
The Presentation layer makes sure that data is in a readable format for the Application layer.
CA:F5:83:EB
The Session layer creates sessions between different hosts' applications.
Buffering - windowing - congestion avoidance

27. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
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 & Physical
Network
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.

28. At which layer is routing implemented - enabling connections and path selection between two end systems?
Transport
Data - segment - packet - frame - bit
The Network layer provides routing through an internetwork and logical addressing.
The Transport layer segments user data.

29. 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?
Decrease the window size.
10101100.00010000.00010100.00110111
183/B7
The Transport layer user virtual circuits to create a reliable connection between two hosts.

30. Which two fields are contained within an IEEE Ethernet frame header?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Source and destination MAC address and FCS field
198.211.57.209
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.

31. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
11000000.10101000.00001010.00001111
Packet switching - Packet filtering - Internetwork communication - Path selection
The Presentation layer makes sure that data is in a readable format for the Application layer.

32. What is the purpose of flow control?
D8:1B:3D:76
To provide a means for the receiver to govern the amount of data sent by the sender.
Switch to switch - host to host - switch to host
Router

33. This layer supports flow control and sequencing.
Transport
Hub
132.210.184.166
Bridge or switch

34. Which layer is represented by 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).
The Session layer sets up - maintains - and terminates sessions between applications.
The Network layer creates packets out of segments handed down from the Transport layer.
Layer 4

35. This device breaks up collision domains and broadcast domains.
Router
Packet switching - Packet filtering - Internetwork communication - Path selection
Transport
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

36. This layer creates a virtual circuit before transmitting between two end stations.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
132.210.184.166
Transport
The Session layer creates sessions between different hosts' applications.

37. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
Layer 4
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.
Transport

38. This device creates one big collision domain and one large broadcast domain.
Hub
The Data Link layer frames packets received from the Network layer.
The Presentation layer makes sure that data is in a readable format for the Application layer.
Decrease the window size.

39. Convert 192.168.10.15 to binary 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 Link
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
11000000.10101000.00001010.00001111

40. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
The Transport layer segments user data.
84:D2:43:B3
The Presentation layer makes sure that data is in a readable format for the Application layer.
Network

41. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
D8:1B:3D:76
Transport
00001010.00001011.00001100.01100011
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

42. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
Data Link (LLC sublayer)
The Physical layer is responsible for the electrical and mechanical connections between devices.
Data - segment - packet - frame - bit
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

43. What is the bit length and expression form of a MAC address?
D8:1B:3D:76
204.51.170.85
To create more collision domains and to add more bandwidth for users.
48 bits (6 bytes)

44. Which layer segments and reassembles data into a data stream?
Transport
Data - segment - packet - frame - bit
CA:F5:83:EB
3 - 2 - 1 - none

45. What are two purposes for segmentation with a bridge?
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.
Source and destination MAC address and FCS field
The Presentation layer makes sure that data is in a readable format for the Application layer.
To create more collision domains and to add more bandwidth for users.

46. What type of RJ45 UTP cable is used between switches?
Router
Transport
RJ45 UTP crossover cable.
183/B7

47. Name four router functions.
204.51.170.85
Packet switching - Packet filtering - Internetwork communication - Path selection
84:D2:43:B3
Transport

48. Which layer provides logical addressing that routers will use for path determination?
Segments - packets - frames - bits
Buffering - windowing - congestion avoidance
The Network layer provides logical addressing - typically IP addressing and routing.
Hub

49. 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?
To create more collision domains and to add more bandwidth for users.
3 - 2 - 1 - none
84:D2:43:B3
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

50. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
The Physical layer is responsible for the electrical and mechanical connections between devices.
The Session layer sets up - maintains - and terminates sessions between applications.
RJ45 UTP rolled cable.
3 - 2 - 1 - none