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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?
To create more collision domains and to add more bandwidth for users.
Source and destination MAC address and FCS field
132.210.184.166
11000000.10101000.00001010.00001111

2. Which layer is represented by segments?
RJ45 UTP rolled cable.
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.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

3. What type of RJ45 UTP cable is used between switches?
Decrease the window size.
The Network layer provides logical addressing - typically IP addressing and routing.
RJ45 UTP crossover cable.
198.211.57.209

4. Which layer is represented by packets?
The Network layer creates packets out of segments handed down from the Transport layer.
To create more collision domains and to add more bandwidth for users.
Switch or bridge
The Session layer creates sessions between different hosts' applications.

5. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
Transport
Switch or bridge
The Presentation layer makes sure that data is in a readable format for the Application layer.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

6. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
CA:F5:83:EB
Network
The Data Link layer frames packets received from the Network layer.
Fiber-opticcable

7. 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.
Transport
D8:1B:3D:76
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.

8. Segmentation of a data stream happens at which layer of the OSI model?
Transport
The Transport layer user virtual circuits to create a reliable connection between two hosts.
The Session layer sets up - maintains - and terminates sessions between applications.
Bridge or switch

9. Convert 10.11.12.99 to binary format.
00001010.00001011.00001100.01100011
The Data Link layer frames packets received from the Network layer.
Transport
Packet switching - Packet filtering - Internetwork communication - Path selection

10. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
Decrease the window size.
Data - segment - packet - frame - bit
132.210.184.166
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

11. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
3 - 2 - 1 - none
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 Transport layer segments user data.
Fiber-opticcable

12. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
D8:1B:3D:76
The Transport layer segments user data.
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 Presentation layer makes sure that data is in a readable format for the Application layer.

13. This device creates one big collision domain and one large broadcast domain.
183/B7
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).
Router
Hub

14. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
The Session layer creates sessions between different hosts' applications.
Bridge or switch
Transport
183/B7

15. 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?
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Data Link (LLC sublayer)
204.51.170.85
The Presentation layer makes sure that data is in a readable format for the Application layer.

16. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Network
The Network layer provides logical addressing - typically IP addressing and routing.
Layer 4
Data Link & Physical

17. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
Buffering - windowing - congestion avoidance
3 - 2 - 1 - none
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

18. Which layer is represented by frames?
The Data Link layer frames packets received from the Network layer.
Transport
Data - segment - packet - frame - bit
The Session layer sets up - maintains - and terminates sessions between applications.

19. Which layer is represented by bits?
RJ45 UTP crossover cable.
Transport
Data Link
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

20. Convert 172.16.20.55 to binary format.
10101100.00010000.00010100.00110111
Data - segment - packet - frame - bit
Transport
Data Link

21. Name three types of connections that can use full duplex.
Switch to switch - host to host - switch to host
Switch or bridge
D8:1B:3D:76
Fiber-opticcable

22. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
Network
The Network layer provides routing through an internetwork and logical addressing.
The Data Link layer frames packets received from the Network layer.
204.51.170.85

23. 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?
Transport
00001010.00001011.00001100.01100011
48 bits (6 bytes)
The Transport layer user virtual circuits to create a reliable connection between two hosts.

24. 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
204.51.170.85
183/B7
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)

25. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
RJ45 UTP rolled cable.
The Physical layer is responsible for the electrical and mechanical connections between devices.
Router
CA:F5:83:EB

26. When data is encapsulated - which is the correct order?
CA:F5:83:EB
3 - 2 - 1 - none
Data - segment - packet - frame - bit
RJ45 UTP crossover cable.

27. At which layer is routing implemented - enabling connections and path selection between two end systems?
Data Link
Data Link & Physical
The Network layer provides routing through an internetwork and logical addressing.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

28. This layer supports flow control and sequencing.
Hub
Segments - packets - frames - bits
Transport
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).

29. What is the bit length and expression form of a MAC address?
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 provides routing through an internetwork and logical addressing.
48 bits (6 bytes)
Hub

30. This layer creates a virtual circuit before transmitting between two end stations.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Hub
Transport

31. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Network
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
10101100.00010000.00010100.00110111

32. Which layer segments and reassembles data into a data stream?
Transport
To provide a means for the receiver to govern the amount of data sent by the sender.
Decrease the window size.
Hub

33. Ethernet is defined at these layers.
Data Link & Physical
The Transport layer user virtual circuits to create a reliable connection between two hosts.
The Transport layer segments user data.
The Data Link layer is responsible for the framing of data packets.

34. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
Hub and repeater
204.51.170.85
11000000.10101000.00001010.00001111
To provide a means for the receiver to govern the amount of data sent by the sender.

35. This device sends and receives information about the Network layer.
The Physical layer is responsible for the electrical and mechanical connections between devices.
Hub and repeater
Transport
Router

36. 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.
CA:F5:83:EB
The Physical layer is responsible for the electrical and mechanical connections between devices.
The Data Link layer is responsible for the framing of data packets.

37. This device can never run full duplex.
3 - 2 - 1 - none
00001010.00001011.00001100.01100011
Network
Hub

38. What are two purposes for segmentation with a bridge?
To create more collision domains and to add more bandwidth for users.
Data Link & Physical
The Data Link layer is responsible for the framing of data packets.
10101100.00010000.00010100.00110111

39. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
Network
Transport
Switch to switch - host to host - switch to host
Data Link

40. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
D8:1B:3D:76
Network
Router
The Network layer creates packets out of segments handed down from the Transport layer.

41. Convert 192.168.10.15 to binary format.
Hub
Transport
11000000.10101000.00001010.00001111
CA:F5:83:EB

42. This device breaks up collision domains and broadcast domains.
The Transport layer segments user data.
Switch or bridge
Router
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).

43. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
Source and destination MAC address and FCS field
Router
Hub and repeater
Segments - packets - frames - bits

44. Logical addressing is used at this layer.
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 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.
Network
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

45. 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.
The Data Link layer is responsible for the framing of data packets.
To provide a means for the receiver to govern the amount of data sent by the sender.
198.211.57.209

46. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
Router
The Session layer sets up - maintains - and terminates sessions between applications.
RJ45 UTP rolled cable.
Layer 4

47. 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.
D8:1B:3D:76
The Data Link layer frames packets received from the Network layer.
CA:F5:83:EB

48. Which layer provides logical addressing that routers will use for path determination?
Data Link & Physical
Transport
The Network layer provides logical addressing - typically IP addressing and routing.
Decrease the window size.

49. Which of the following are 3 common types of flow control?
The Transport layer segments user data.
Hub and repeater
Buffering - windowing - congestion avoidance
198.211.57.209

50. 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.
The Network layer provides logical addressing - typically IP addressing and routing.
Data - segment - packet - frame - bit
The Transport layer user virtual circuits to create a reliable connection between two hosts.