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

2. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
198.211.57.209
84:D2:43:B3
The Transport layer segments user data.
The Presentation layer makes sure that data is in a readable format for the Application layer.

3. Name three types of connections that can use full duplex.
Transport
Fiber-opticcable
84:D2:43:B3
Switch to switch - host to host - switch to host

4. This device breaks up collision domains and broadcast domains.
84:D2:43:B3
Transport
Segments - packets - frames - bits
Router

5. At which layer is routing implemented - enabling connections and path selection between two end systems?
RJ45 UTP rolled cable.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
The Network layer provides routing through an internetwork and logical addressing.
Transport

6. Which layer segments and reassembles data into a data stream?
To provide a means for the receiver to govern the amount of data sent by the sender.
84:D2:43:B3
Switch or bridge
Transport

7. This device sends and receives information about the Network layer.
11000000.10101000.00001010.00001111
Decrease the window size.
183/B7
Router

8. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
Hub
D8:1B:3D:76
Network
CA:F5:83:EB

9. Name four router functions.
Packet switching - Packet filtering - Internetwork communication - Path selection
To provide a means for the receiver to govern the amount of data sent by the sender.
198.211.57.209
Transport

10. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Switch or bridge
Layer 4
RJ45 UTP crossover cable.
Bridge or switch

11. This device creates one big collision domain and one large broadcast domain.
11000000.10101000.00001010.00001111
Hub
Decrease the window size.
Bridge or switch

12. 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.
Router
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Transport

13. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
RJ45 UTP crossover cable.
Data Link & Physical
132.210.184.166
D8:1B:3D:76

14. 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.
00001010.00001011.00001100.01100011
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.
Transport

15. Ethernet is defined at these layers.
3 - 2 - 1 - none
To provide a means for the receiver to govern the amount of data sent by the sender.
Data Link & Physical
Router

16. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
Data - segment - packet - frame - bit
The Data Link layer is responsible for the framing of data packets.
The Physical layer is responsible for the electrical and mechanical connections between devices.
Network

17. Convert 192.168.10.15 to binary format.
11000000.10101000.00001010.00001111
183/B7
The Network layer creates packets out of segments handed down from the Transport layer.
The Network layer provides routing through an internetwork and logical addressing.

18. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
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 Network layer creates packets out of segments handed down from the Transport layer.
The Physical layer is responsible for the electrical and mechanical connections between devices.
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.

19. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Switch or bridge
198.211.57.209
Router
Segments - packets - frames - bits

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

21. Which layer provides logical addressing that routers will use for path determination?
The Network layer provides logical addressing - typically IP addressing and routing.
Data Link (LLC sublayer)
Bridge or switch
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. Segmentation of a data stream happens at which layer of the OSI model?
204.51.170.85
To create more collision domains and to add more bandwidth for users.
Layer 4
Transport

23. Convert 10.11.12.99 to binary format.
84:D2:43:B3
00001010.00001011.00001100.01100011
Buffering - windowing - congestion avoidance
Layer 4

24. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
Switch to switch - host to host - switch to host
204.51.170.85
Network
3 - 2 - 1 - none

25. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
Transport
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
Network

26. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
The Transport layer segments user data.
Router
RJ45 UTP rolled cable.
183/B7

27. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
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 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 Presentation layer makes sure that data is in a readable format for the Application layer.

28. Which layer is represented by segments?
Transport
The Transport layer segments user data.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
D8:1B:3D:76

29. Which of the following are 3 common types of flow control?
Fiber-opticcable
Network
To provide a means for the receiver to govern the amount of data sent by the sender.
Buffering - windowing - congestion avoidance

30. What type of RJ45 UTP cable is used between switches?
204.51.170.85
RJ45 UTP crossover cable.
The Session layer sets up - maintains - and terminates sessions between applications.
Router

31. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Fiber-opticcable
Segments - packets - frames - bits
To create more collision domains and to add more bandwidth for users.

32. 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?
RJ45 UTP crossover cable.
Packet switching - Packet filtering - Internetwork communication - Path selection
3 - 2 - 1 - none
Decrease the window size.

33. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
CA:F5:83:EB
198.211.57.209
Data Link
Switch to switch - host to host - switch to host

34. When data is encapsulated - which is the correct order?
Hub and repeater
Data - segment - packet - frame - bit
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
84:D2:43:B3

35. Which layer is represented by packets?
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.
The Network layer creates packets out of segments handed down from the Transport layer.
Router

36. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
00001010.00001011.00001100.01100011
The Data Link layer frames packets received from the Network layer.
Transport
Fiber-opticcable

37. What are two purposes for segmentation with a bridge?
To create more collision domains and to add more bandwidth for users.
Transport
Network
The Physical layer is responsible for the electrical and mechanical connections between devices.

38. This layer supports flow control and sequencing.
The Data Link layer frames packets received from the Network layer.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Transport
10101100.00010000.00010100.00110111

39. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
The Session layer creates sessions between different hosts' applications.
Hub
Network
Data Link

40. Which two fields are contained within an IEEE Ethernet frame header?
10101100.00010000.00010100.00110111
Router
Source and destination MAC address and FCS field
The Network layer provides routing through an internetwork and logical addressing.

41. What is the purpose of flow control?
To provide a means for the receiver to govern the amount of data sent by the sender.
Transport
The Session layer creates sessions between different hosts' applications.
132.210.184.166

42. This device uses hardware addresses to filter a network.
Router
Bridge or switch
183/B7
The Physical layer is responsible for the electrical and mechanical connections between devices.

43. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
Switch or bridge
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Buffering - windowing - congestion avoidance
CA:F5:83:EB

44. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
Hub
204.51.170.85
Data Link & Physical
D8:1B:3D:76

45. This layer creates a virtual circuit before transmitting between two end stations.
The Data Link layer is responsible for the framing of data packets.
Transport
198.211.57.209
Hub

46. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
183/B7
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 (LLC sublayer)
Layer 4

47. Logical addressing is used at this layer.
The Data Link layer is responsible for the framing of data packets.
Transport
Decrease the window size.
Network

48. This layer uses service access points.
The Session layer sets up - maintains - and terminates sessions between applications.
Transport
Data Link (LLC sublayer)
198.211.57.209

49. What is the bit length and expression form of a MAC address?
Decrease the window size.
10101100.00010000.00010100.00110111
48 bits (6 bytes)
The Presentation layer makes sure that data is in a readable format for the Application layer.

50. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
Data Link & Physical
204.51.170.85
D8:1B:3D:76
CA:F5:83:EB