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 11011000.00011011.00111101.01110110 to hexadecimal format.
Data Link
198.211.57.209
D8:1B:3D:76
Transport

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

3. Which layer is represented by bits?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Switch or bridge
Layer 4
Decrease the window size.

4. What is the purpose of flow control?
To provide a means for the receiver to govern the amount of data sent by the sender.
Switch or bridge
48 bits (6 bytes)
Network

5. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
Transport
132.210.184.166
CA:F5:83:EB
The Physical layer is responsible for the electrical and mechanical connections between devices.

6. This device sends and receives information about the Network layer.
Router
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
RJ45 UTP rolled cable.
Transport

7. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
Segments - packets - frames - bits
The Network layer provides logical addressing - typically IP addressing and routing.
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

8. Convert 10.11.12.99 to binary format.
The Network layer provides routing through an internetwork and logical addressing.
The Network layer creates packets out of segments handed down from the Transport layer.
Fiber-opticcable
00001010.00001011.00001100.01100011

9. Ethernet is defined at these layers.
Data Link & Physical
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
Transport

10. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Switch to switch - host to host - switch to host
Router
84:D2:43:B3
Switch or bridge

11. This device can never run full duplex.
Data - segment - packet - frame - bit
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).
Bridge or switch
Hub

12. What are two purposes for segmentation with a bridge?
Transport
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.
Source and destination MAC address and FCS field

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

14. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
The Network layer creates packets out of segments handed down from the Transport layer.
Switch or bridge
RJ45 UTP rolled cable.
The Data Link layer is responsible for the framing of data packets.

15. Which layer is responsible for creating - managing - and terminating sessions between applications?
RJ45 UTP rolled cable.
Switch to switch - host to host - switch to host
Router
The Session layer sets up - maintains - and terminates sessions between applications.

16. What is the bit length and expression form of a MAC address?
The Network layer provides logical addressing - typically IP addressing and routing.
48 bits (6 bytes)
10101100.00010000.00010100.00110111
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

17. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
11000000.10101000.00001010.00001111
Fiber-opticcable
3 - 2 - 1 - none
Network

18. Name three types of connections that can use full duplex.
Switch to switch - host to host - switch to host
Transport
Data Link
Segments - packets - frames - bits

19. Which layer is represented by segments?
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.
10101100.00010000.00010100.00110111
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).

20. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Layer 4
Hub and repeater
132.210.184.166
10101100.00010000.00010100.00110111

21. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Router
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Hub

22. Convert 192.168.10.15 to binary format.
11000000.10101000.00001010.00001111
Hub
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
RJ45 UTP crossover cable.

23. This device breaks up collision domains and broadcast domains.
Router
The Data Link layer frames packets received from the Network layer.
The Network layer provides routing through an internetwork and logical addressing.
Buffering - windowing - congestion avoidance

24. Which layer is represented by frames?
Decrease the window size.
Hub and repeater
The Data Link layer frames packets received from the Network layer.
183/B7

25. Which layer is represented by packets?
Buffering - windowing - congestion avoidance
The Network layer creates packets out of segments handed down from the Transport layer.
204.51.170.85
The Network layer provides logical addressing - typically IP addressing and routing.

26. 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
Buffering - windowing - congestion avoidance
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
RJ45 UTP rolled cable.
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).

27. This layer supports flow control and sequencing.
Transport
The Data Link layer frames packets received from the Network layer.
The Network layer creates packets out of segments handed down from the Transport layer.
Router

28. Which layer segments and reassembles data into a data stream?
Transport
Buffering - windowing - congestion avoidance
CA:F5:83:EB
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

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

30. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
Data Link
Network
198.211.57.209
Hub and repeater

31. Segmentation of a data stream happens at which layer of the OSI model?
Hub
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).
48 bits (6 bytes)
Transport

32. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
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 Network layer provides logical addressing - typically IP addressing and routing.
10101100.00010000.00010100.00110111
00001010.00001011.00001100.01100011

33. What type of RJ45 UTP cable is used between switches?
The Session layer creates sessions between different hosts' applications.
Network
Hub and repeater
RJ45 UTP crossover cable.

34. Name four router functions.
Fiber-opticcable
Packet switching - Packet filtering - Internetwork communication - Path selection
Switch or bridge
3 - 2 - 1 - none

35. This device creates one big collision domain and one large broadcast domain.
Transport
Fiber-opticcable
The Data Link layer is responsible for the framing of data packets.
Hub

36. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
84:D2:43:B3
The Network layer provides routing through an internetwork and logical addressing.
Hub
Source and destination MAC address and FCS field

37. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
Transport
The Data Link layer is responsible for the framing of data packets.
Hub and repeater
204.51.170.85

38. 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.
CA:F5:83:EB
To provide a means for the receiver to govern the amount of data sent by the sender.
Packet switching - Packet filtering - Internetwork communication - Path selection

39. This device can measure the distance to a remote network.
84:D2:43:B3
Router
Data Link (LLC sublayer)
The Data Link layer frames packets received from the Network layer.

40. Convert 172.16.20.55 to binary format.
10101100.00010000.00010100.00110111
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Transport
Segments - packets - frames - bits

41. This layer uses service access points.
Data Link (LLC sublayer)
RJ45 UTP crossover cable.
Buffering - windowing - congestion avoidance
The Network layer provides logical addressing - typically IP addressing and routing.

42. Which layer provides logical addressing that routers will use for path determination?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Router
84:D2:43:B3
The Network layer provides logical addressing - typically IP addressing and routing.

43. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
Source and destination MAC address and FCS field
132.210.184.166
183/B7
D8:1B:3D:76

44. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
Transport
The Physical layer is responsible for the electrical and mechanical connections between devices.
Router
CA:F5:83:EB

45. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
The Session layer sets up - maintains - and terminates sessions between applications.
Network
183/B7
To provide a means for the receiver to govern the amount of data sent by the sender.

46. When data is encapsulated - which is the correct order?
Network
10101100.00010000.00010100.00110111
Data - segment - packet - frame - bit
Switch or bridge

47. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
The Data Link layer is responsible for the framing of data packets.
Data Link (LLC sublayer)
To provide a means for the receiver to govern the amount of data sent by the sender.
The Presentation layer makes sure that data is in a readable format for the Application layer.

48. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
204.51.170.85
Source and destination MAC address and FCS field
Buffering - windowing - congestion avoidance
Router

49. This layer creates a virtual circuit before transmitting between two end stations.
Transport
The Data Link layer frames packets received from the Network layer.
Hub
11000000.10101000.00001010.00001111

50. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
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 create more collision domains and to add more bandwidth for users.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Data Link