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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. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
Switch or bridge
Data Link & Physical
RJ45 UTP crossover cable.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

2. Convert 172.16.20.55 to binary format.
10101100.00010000.00010100.00110111
The Network layer provides logical addressing - typically IP addressing and routing.
Transport
Data Link & Physical

3. Which layer is represented by frames?
Hub and repeater
Transport
The Data Link layer frames packets received from the Network layer.
Transport

4. Which layer segments and reassembles data into a data stream?
204.51.170.85
Switch to switch - host to host - switch to host
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Transport

5. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
Router
48 bits (6 bytes)
Layer 4
Segments - packets - frames - bits

6. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
Switch to switch - host to host - switch to host
D8:1B:3D:76
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
Transport

7. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
Transport
Data Link
RJ45 UTP rolled cable.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

8. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
Switch or bridge
Layer 4
Bridge or switch
3 - 2 - 1 - none

9. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
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.
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

10. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Decrease the window size.
Layer 4
Transport
Data Link & Physical

11. This device uses hardware addresses to filter a network.
Decrease the window size.
Data - segment - packet - frame - bit
Bridge or switch
Network

12. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
Data Link
Data Link & Physical
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

13. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
CA:F5:83:EB
198.211.57.209
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.
183/B7

14. When data is encapsulated - which is the correct order?
00001010.00001011.00001100.01100011
Network
Data - segment - packet - frame - bit
The Physical layer is responsible for the electrical and mechanical connections between devices.

15. Convert 192.168.10.15 to binary format.
Transport
204.51.170.85
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).
11000000.10101000.00001010.00001111

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

17. This device can never run full duplex.
183/B7
Hub
Data Link & Physical
3 - 2 - 1 - none

18. Convert 10.11.12.99 to binary format.
Network
The Data Link layer is responsible for the framing of data packets.
CA:F5:83:EB
00001010.00001011.00001100.01100011

19. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Network
11000000.10101000.00001010.00001111
The Network layer provides routing through an internetwork and logical addressing.

20. Which layer is represented by bits?
The Data Link layer is responsible for the framing of data packets.
Data Link & Physical
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
48 bits (6 bytes)

21. Segmentation of a data stream happens at which layer of the OSI model?
Data Link (LLC sublayer)
Transport
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Buffering - windowing - congestion avoidance

22. This layer supports flow control and sequencing.
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
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

23. Logical addressing is used at this layer.
To create more collision domains and to add more bandwidth for users.
Network
132.210.184.166
Source and destination MAC address and FCS field

24. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
Decrease the window size.
Router
Segments - packets - frames - bits
RJ45 UTP rolled cable.

25. This device creates many smaller collision domains - but the network is still one large broadcast domain.
48 bits (6 bytes)
Switch or bridge
10101100.00010000.00010100.00110111
Switch to switch - host to host - switch to host

26. This device breaks up collision domains and broadcast domains.
Router
The Network layer provides routing through an internetwork and logical addressing.
Transport
The Data Link layer frames packets received from the Network layer.

27. Name four router functions.
Hub
Network
Switch or bridge
Packet switching - Packet filtering - Internetwork communication - Path selection

28. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
Data Link (LLC sublayer)
The Session layer creates sessions between different hosts' applications.
84:D2:43:B3
RJ45 UTP crossover cable.

29. 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
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 Physical layer is responsible for transporting 1s and 0s in a digital signal.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Source and destination MAC address and FCS field

30. What are two purposes for segmentation with a bridge?
To create more collision domains and to add more bandwidth for users.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
RJ45 UTP crossover cable.
CA:F5:83:EB

31. Which layer is responsible for creating - managing - and terminating sessions between applications?
Network
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Data Link & Physical
The Session layer sets up - maintains - and terminates sessions between applications.

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?
Decrease the window size.
Data Link
Transport
Hub and repeater

33. What is the bit length and expression form of a MAC address?
The Network layer creates packets out of segments handed down from the Transport layer.
Fiber-opticcable
To create more collision domains and to add more bandwidth for users.
48 bits (6 bytes)

34. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
Layer 4
The Network layer provides logical addressing - typically IP addressing and routing.
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.

35. Which layer is represented by packets?
204.51.170.85
To provide a means for the receiver to govern the amount of data sent by the sender.
The Network layer creates packets out of segments handed down from the Transport layer.
The Session layer sets up - maintains - and terminates sessions between applications.

36. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Fiber-opticcable
D8:1B:3D:76
Data Link
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.

37. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
Buffering - windowing - congestion avoidance
204.51.170.85
D8:1B:3D:76
The Network layer provides logical addressing - typically IP addressing and routing.

38. This layer uses service access points.
RJ45 UTP crossover cable.
00001010.00001011.00001100.01100011
Hub and repeater
Data Link (LLC sublayer)

39. 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.
Fiber-opticcable
183/B7
Buffering - windowing - congestion avoidance

40. This device sends and receives information about the Network layer.
Router
132.210.184.166
Hub
Data Link

41. Name three types of connections that can use full duplex.
Data Link
Switch to switch - host to host - switch to host
CA:F5:83:EB
The Network layer creates packets out of segments handed down from the Transport layer.

42. This device can measure the distance to a remote network.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
The Network layer provides logical addressing - typically IP addressing and routing.
Router
Data Link

43. This layer creates a virtual circuit before transmitting between two end stations.
Decrease the window size.
84:D2:43:B3
Source and destination MAC address and FCS field
Transport

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

45. Ethernet is defined at these layers.
Data Link
Network
Data Link & Physical
183/B7

46. What type of RJ45 UTP cable is used between switches?
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.
RJ45 UTP crossover 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).
00001010.00001011.00001100.01100011

47. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
Router
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.
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

48. Which of the following are 3 common types of flow control?
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
183/B7
Source and destination MAC address and FCS field
Buffering - windowing - congestion avoidance

49. Why does the data communication industry use the layered OSI reference model? (Name two)
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.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Layer 4

50. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
The Transport layer user virtual circuits to create a reliable connection between two hosts.
198.211.57.209
Hub and repeater
RJ45 UTP crossover cable.