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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. Which two fields are contained within an IEEE Ethernet frame header?
Bridge or switch
Source and destination MAC address and FCS field
The Data Link layer is responsible for the framing of data packets.
Data Link & Physical

2. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
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
183/B7
11000000.10101000.00001010.00001111
RJ45 UTP crossover cable.

3. What type of RJ45 UTP cable is used between switches?
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
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
Layer 4
RJ45 UTP crossover cable.

4. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Data Link & Physical
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
The Network layer creates packets out of segments handed down from the Transport layer.
Switch or bridge

5. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
84:D2:43:B3
Network
3 - 2 - 1 - none
Source and destination MAC address and FCS field

6. This device breaks up collision domains and broadcast domains.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Router
To create more collision domains and to add more bandwidth for users.
Layer 4

7. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
Hub and repeater
Transport
The Session layer creates sessions between different hosts' applications.
Data Link

8. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Layer 4
198.211.57.209
Hub
Router

9. 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?
Hub
Router
The Network layer provides logical addressing - typically IP addressing and routing.
The Transport layer user virtual circuits to create a reliable connection between two hosts.

10. Which layer is responsible for creating - managing - and terminating sessions between applications?
183/B7
The Session layer sets up - maintains - and terminates sessions between applications.
Router
Router

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

12. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
84:D2:43:B3
Router
Router
3 - 2 - 1 - none

13. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
The Session layer creates sessions between different hosts' applications.
Router
Fiber-opticcable
Transport

14. This device creates one big collision domain and one large broadcast domain.
11000000.10101000.00001010.00001111
Hub
Source and destination MAC address and FCS field
Switch or bridge

15. Which layer is represented by bits?
Transport
84:D2:43:B3
The Network layer provides logical addressing - typically IP addressing and routing.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

16. Name four router functions.
RJ45 UTP crossover cable.
Router
Decrease the window size.
Packet switching - Packet filtering - Internetwork communication - Path selection

17. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
Transport
The Transport layer user virtual circuits to create a reliable connection between two hosts.
CA:F5:83:EB
The Physical layer is responsible for the electrical and mechanical connections between devices.

18. Logical addressing is used at this layer.
132.210.184.166
The Session layer creates sessions between different hosts' applications.
Network
The Physical layer is responsible for the electrical and mechanical connections between devices.

19. Which layer is represented by frames?
The Data Link layer frames packets received from the Network layer.
3 - 2 - 1 - none
The Network layer provides routing through an internetwork and logical addressing.
The Session layer creates sessions between different hosts' applications.

20. Segmentation of a data stream happens at which layer of the OSI model?
48 bits (6 bytes)
Transport
Source and destination MAC address and FCS field
Router

21. This layer creates a virtual circuit before transmitting between two end stations.
Segments - packets - frames - bits
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
Transport

22. Which layer is represented by segments?
The Transport layer segments user data.
132.210.184.166
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
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

23. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
Fiber-opticcable
48 bits (6 bytes)
CA:F5:83:EB
Data Link & Physical

24. This device uses hardware addresses to filter a network.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Segments - packets - frames - bits
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Bridge or switch

25. This device sends and receives information about the Network layer.
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.
Router
11000000.10101000.00001010.00001111

26. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
Layer 4
Router
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Network

27. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
Switch to switch - host to host - switch to host
RJ45 UTP crossover cable.
Segments - packets - frames - bits
To create more collision domains and to add more bandwidth for users.

28. Name three types of connections that can use full duplex.
Switch to switch - host to host - switch to host
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
84:D2:43:B3
Layer 4

29. What is the purpose of flow control?
RJ45 UTP crossover cable.
Packet switching - Packet filtering - Internetwork communication - Path selection
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
To provide a means for the receiver to govern the amount of data sent by the sender.

30. This layer uses service access points.
Data Link (LLC sublayer)
3 - 2 - 1 - none
The Session layer creates sessions between different hosts' applications.
The Network layer creates packets out of segments handed down from the Transport layer.

31. Convert 172.16.20.55 to binary format.
10101100.00010000.00010100.00110111
The Session layer creates sessions between different hosts' applications.
The Network layer provides logical addressing - typically IP addressing and routing.
Transport

32. Which layer provides logical addressing that routers will use for path determination?
The Network layer provides logical addressing - typically IP addressing and routing.
132.210.184.166
The Data Link layer is responsible for the framing of data packets.
84:D2:43:B3

33. Convert 192.168.10.15 to binary format.
Hub
11000000.10101000.00001010.00001111
To provide a means for the receiver to govern the amount of data sent by the sender.
Transport

34. Why does the data communication industry use the layered OSI reference model? (Name two)
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.
Fiber-opticcable
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.

35. Ethernet is defined at these layers.
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.
Data Link & Physical
Data Link (LLC sublayer)

36. This device can never run full duplex.
Data Link
Bridge or switch
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.
Hub

37. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
CA:F5:83:EB
Hub
Segments - packets - frames - bits
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

38. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
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.
00001010.00001011.00001100.01100011
Hub and repeater

39. 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.
The Session layer creates sessions between different hosts' applications.
Data Link & Physical
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

40. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
Buffering - windowing - congestion avoidance
Network
The Presentation layer makes sure that data is in a readable format for the Application layer.
Data Link & Physical

41. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
183/B7
Transport
198.211.57.209
Data Link

42. What are two purposes for segmentation with a bridge?
00001010.00001011.00001100.01100011
132.210.184.166
To create more collision domains and to add more bandwidth for users.
RJ45 UTP crossover cable.

43. Which layer segments and reassembles data into a data stream?
Packet switching - Packet filtering - Internetwork communication - Path selection
Transport
Fiber-opticcable
Data - segment - packet - frame - bit

44. 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?
198.211.57.209
To create more collision domains and to add more bandwidth for users.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Router

45. 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?
CA:F5:83:EB
Decrease the window size.
10101100.00010000.00010100.00110111
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

46. At which layer is routing implemented - enabling connections and path selection between two end systems?
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 provides routing through an internetwork and logical addressing.
RJ45 UTP crossover cable.
Layer 4

47. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
Decrease the window size.
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.

48. When data is encapsulated - which is the correct order?
183/B7
Data - segment - packet - frame - bit
00001010.00001011.00001100.01100011
Router

49. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
10101100.00010000.00010100.00110111
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.
The Data Link layer is responsible for the framing of data packets.

50. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Switch or bridge
To create more collision domains and to add more bandwidth for users.
132.210.184.166