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. This device creates one big collision domain and one large broadcast domain.
Hub
198.211.57.209
Hub and repeater
To create more collision domains and to add more bandwidth for users.

2. Which of the following are 3 common types of flow control?
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).
Transport
D8:1B:3D:76

3. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
RJ45 UTP crossover cable.
198.211.57.209
Router
84:D2:43:B3

4. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
Data Link
RJ45 UTP crossover cable.
183/B7
RJ45 UTP rolled cable.

5. What is the purpose of flow control?
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.
To provide a means for the receiver to govern the amount of data sent by the sender.
Source and destination MAC address and FCS field
198.211.57.209

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

7. This layer uses service access points.
Data Link & Physical
The Data Link layer is responsible for the framing of data packets.
Data Link (LLC sublayer)
Hub and repeater

8. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
Transport
10101100.00010000.00010100.00110111
Data Link & Physical
Hub and repeater

9. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Layer 4
Transport
The Transport layer segments user 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.

10. What is the bit length and expression form of a MAC address?
Data Link
48 bits (6 bytes)
Transport
RJ45 UTP rolled cable.

11. Which layer is responsible for creating - managing - and terminating sessions between applications?
48 bits (6 bytes)
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.
Router

12. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
The Network layer provides logical addressing - typically IP addressing and routing.
Data - segment - packet - frame - bit
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

13. Which layer is represented by packets?
CA:F5:83:EB
The Network layer creates packets out of segments handed down from the Transport layer.
Hub
RJ45 UTP rolled cable.

14. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
The Session layer creates sessions between different hosts' applications.
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
Network

15. What are two purposes for segmentation with a bridge?
3 - 2 - 1 - none
Transport
To create more collision domains and to add more bandwidth for users.
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

16. Which two fields are contained within an IEEE Ethernet frame header?
Segments - packets - frames - bits
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Switch or bridge
Source and destination MAC address and FCS field

17. Which layer is represented by segments?
Transport
10101100.00010000.00010100.00110111
The Transport layer segments user data.
The Data Link layer frames packets received from the Network layer.

18. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
00001010.00001011.00001100.01100011
The Data Link layer is responsible for the framing of data packets.
10101100.00010000.00010100.00110111
3 - 2 - 1 - none

19. Logical addressing is used at this layer.
204.51.170.85
The Network layer provides logical addressing - typically IP addressing and routing.
Switch to switch - host to host - switch to host
Network

20. 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.
Router
Data Link
00001010.00001011.00001100.01100011

21. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
198.211.57.209
To provide a means for the receiver to govern the amount of data sent by the sender.
Network
RJ45 UTP rolled cable.

22. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
CA:F5:83:EB
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.
D8:1B:3D:76
Packet switching - Packet filtering - Internetwork communication - Path selection

23. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Switch or bridge
The Data Link layer frames packets received from the Network layer.
The Physical layer is responsible for the electrical and mechanical connections between devices.
Network

24. Convert 10.11.12.99 to binary format.
The Session layer sets up - maintains - and terminates sessions between applications.
00001010.00001011.00001100.01100011
Router
Data Link

25. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
132.210.184.166
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.
Switch to switch - host to host - switch to host

26. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
Hub
132.210.184.166
Data Link & Physical
3 - 2 - 1 - none

27. Name four router functions.
Layer 4
84:D2:43:B3
Packet switching - Packet filtering - Internetwork communication - Path selection
The Physical layer is responsible for the electrical and mechanical connections between devices.

28. Convert 172.16.20.55 to binary format.
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 Data Link layer frames packets received from the Network layer.
10101100.00010000.00010100.00110111
The Network layer provides routing through an internetwork and logical addressing.

29. This layer supports flow control and sequencing.
RJ45 UTP rolled cable.
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.
Transport
Data Link & Physical

30. This device can never run full duplex.
Hub
Segments - packets - frames - bits
The Physical layer is responsible for the electrical and mechanical connections between devices.
To create more collision domains and to add more bandwidth for users.

31. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
The Network layer provides routing through an internetwork and logical addressing.
204.51.170.85
The Transport layer segments user data.
Transport

32. 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.
Source and destination MAC address and FCS field
Router
Hub

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

34. 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.
Switch to switch - host to host - switch to host
RJ45 UTP crossover cable.
CA:F5:83:EB

35. Which layer segments and reassembles data into a data stream?
Hub
Hub and repeater
Transport
Router

36. This device uses hardware addresses to filter a network.
The Transport layer segments user data.
Bridge or switch
Hub
The Presentation layer makes sure that data is in a readable format for the Application layer.

37. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
The Presentation layer makes sure that data is in a readable format for the Application layer.
The Network layer provides logical addressing - typically IP addressing and routing.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
The Data Link layer frames packets received from the Network layer.

38. Which layer provides logical addressing that routers will use for path determination?
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.
Switch or bridge
The Network layer provides logical addressing - typically IP addressing and routing.
Data Link

39. Why does the data communication industry use the layered OSI reference model? (Name two)
The Transport layer user virtual circuits to create a reliable connection between two hosts.
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.
CA:F5:83:EB
RJ45 UTP rolled cable.

40. This device can measure the distance to a remote network.
Layer 4
10101100.00010000.00010100.00110111
Router
The Data Link layer frames packets received from the Network layer.

41. When data is encapsulated - which is the correct order?
Router
Data - segment - packet - frame - bit
204.51.170.85
RJ45 UTP rolled cable.

42. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
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.
Fiber-opticcable
RJ45 UTP rolled cable.

43. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
Layer 4
Network
11000000.10101000.00001010.00001111
D8:1B:3D:76

44. Name three types of connections that can use full duplex.
Switch to switch - host to host - switch to host
Segments - packets - frames - bits
Decrease the window size.
Data - segment - packet - frame - bit

45. 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 Transport layer user virtual circuits to create a reliable connection between two hosts.
The Network layer creates packets out of segments handed down from the Transport layer.
Hub

46. 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
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Hub and repeater
Data Link

47. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
Transport
Layer 4
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.

48. This device sends and receives information about the Network layer.
Source and destination MAC address and FCS field
3 - 2 - 1 - none
The Session layer creates sessions between different hosts' applications.
Router

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

50. What type of RJ45 UTP cable is used between switches?
The Network layer provides logical addressing - typically IP addressing and routing.
Source and destination MAC address and FCS field
RJ45 UTP crossover cable.
Packet switching - Packet filtering - Internetwork communication - Path selection