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.
132.210.184.166
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.
Hub

2. This layer supports flow control and sequencing.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
48 bits (6 bytes)
Transport
Segments - packets - frames - bits

3. Convert 172.16.20.55 to binary format.
CA:F5:83:EB
Switch or bridge
10101100.00010000.00010100.00110111
The Session layer sets up - maintains - and terminates sessions between applications.

4. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Segments - packets - frames - bits
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
Switch or bridge

5. Which two fields are contained within an IEEE Ethernet frame header?
Source and destination MAC address and FCS field
The Network layer provides routing through an internetwork and logical addressing.
00001010.00001011.00001100.01100011
The Data Link layer frames packets received from the Network layer.

6. This device can never run full duplex.
Packet switching - Packet filtering - Internetwork communication - Path selection
Switch or bridge
Hub
The Session layer sets up - maintains - and terminates sessions between applications.

7. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
Hub
Fiber-opticcable
204.51.170.85
Bridge or switch

8. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
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.
132.210.184.166
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.

9. This device can measure the distance to a remote network.
Router
183/B7
10101100.00010000.00010100.00110111
Switch or bridge

10. What are two purposes for segmentation with a bridge?
Data Link
To create more collision domains and to add more bandwidth for users.
CA:F5:83:EB
Source and destination MAC address and FCS field

11. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Router
Data Link (LLC sublayer)
Switch or bridge
Fiber-opticcable

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

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

14. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
The Presentation layer makes sure that data is in a readable format for the Application layer.
The Network layer provides routing through an internetwork and logical addressing.
The Data Link layer is responsible for the framing of data packets.
RJ45 UTP rolled cable.

15. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Router
Layer 4
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.
Network

16. Convert 10.11.12.99 to binary format.
The Transport layer segments user data.
The Presentation layer makes sure that data is in a readable format for the Application layer.
00001010.00001011.00001100.01100011
The Data Link layer frames packets received from the Network layer.

17. Which layer is responsible for creating - managing - and terminating sessions between applications?
Data Link & Physical
The Session layer sets up - maintains - and terminates sessions between applications.
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.
To provide a means for the receiver to govern the amount of data sent by the sender.

18. Which layer is represented by frames?
The Data Link layer frames packets received from the Network layer.
Layer 4
Network
The Session layer sets up - maintains - and terminates sessions between applications.

19. 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?
Data - segment - packet - frame - bit
The Session layer creates sessions between different hosts' applications.
10101100.00010000.00010100.00110111
Decrease the window size.

20. Which layer is represented by packets?
Layer 4
Data Link
183/B7
The Network layer creates packets out of segments handed down from the Transport layer.

21. 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?
132.210.184.166
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 and repeater

22. What type of RJ45 UTP cable is used between switches?
Fiber-opticcable
RJ45 UTP crossover cable.
Router
00001010.00001011.00001100.01100011

23. This device breaks up collision domains and broadcast domains.
Decrease the window size.
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
Switch to switch - host to host - switch to host
Router

24. This layer uses service access points.
Transport
Router
Data Link (LLC sublayer)
CA:F5:83:EB

25. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
The Network layer provides routing through an internetwork and logical addressing.
Hub
Data - segment - packet - frame - bit
Hub and repeater

26. 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 rolled cable.
Switch to switch - host to host - switch to host
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

27. At which layer is routing implemented - enabling connections and path selection between two end systems?
The Network layer provides routing through an internetwork and logical addressing.
204.51.170.85
Hub
CA:F5:83:EB

28. 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
Transport
Source and destination MAC address and FCS field
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).
Hub

29. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
Buffering - windowing - congestion avoidance
183/B7
Network
198.211.57.209

30. This layer creates a virtual circuit before transmitting between two end stations.
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.
The Data Link layer is responsible for the framing of data packets.

31. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
Transport
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
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.

32. Name four router functions.
Network
Packet switching - Packet filtering - Internetwork communication - Path selection
Data Link
The Data Link layer frames packets received from the Network layer.

33. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
Router
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Data Link
84:D2:43:B3

34. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
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
The Data Link layer is responsible for the framing of data packets.
Transport

35. Which layer provides logical addressing that routers will use for path determination?
Router
RJ45 UTP rolled cable.
The Network layer provides logical addressing - typically IP addressing and routing.
Transport

36. 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 Data Link layer is responsible for the framing of data packets.
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.

37. Convert 192.168.10.15 to binary format.
Hub
Bridge or switch
11000000.10101000.00001010.00001111
Network

38. Which layer segments and reassembles data into a data stream?
Network
Transport
Data Link (LLC sublayer)
Fiber-opticcable

39. This device uses hardware addresses to filter a network.
Switch to switch - host to host - switch to host
Bridge or switch
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
The Data Link layer frames packets received from the Network layer.

40. This device sends and receives information about the Network layer.
Network
Router
Hub
Source and destination MAC address and FCS field

41. Logical addressing is used at this layer.
Network
Transport
Source and destination MAC address and FCS field
Hub

42. Which of the following are 3 common types of flow control?
10101100.00010000.00010100.00110111
Buffering - windowing - congestion avoidance
204.51.170.85
Fiber-opticcable

43. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
00001010.00001011.00001100.01100011
Hub
3 - 2 - 1 - none
Network

44. Why does the data communication industry use the layered OSI reference model? (Name two)
Layer 4
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.
10101100.00010000.00010100.00110111
183/B7

45. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
3 - 2 - 1 - none
The Transport layer segments user data.
48 bits (6 bytes)
Data Link (LLC sublayer)

46. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
10101100.00010000.00010100.00110111
48 bits (6 bytes)
Segments - packets - frames - bits
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.

47. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
The Network layer provides routing through an internetwork and logical addressing.
84:D2:43:B3
D8:1B:3D:76
Transport

48. Name three types of connections that can use full duplex.
The Data Link layer is responsible for the framing of data packets.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Router
Switch to switch - host to host - switch to host

49. Which layer is represented by segments?
183/B7
The Transport layer segments user data.
Buffering - windowing - congestion avoidance
Router

50. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
RJ45 UTP rolled cable.
3 - 2 - 1 - none
Segments - packets - frames - bits
The Network layer provides logical addressing - typically IP addressing and routing.