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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?
84:D2:43:B3
10101100.00010000.00010100.00110111
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
The Session layer creates sessions between different hosts' applications.

2. Ethernet is defined at these layers.
Layer 4
48 bits (6 bytes)
RJ45 UTP rolled cable.
Data Link & Physical

3. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
The Transport layer segments user data.
Fiber-opticcable
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.
Network

4. Which layer is represented by frames?
Hub and repeater
Buffering - windowing - congestion avoidance
The Data Link layer frames packets received from the Network layer.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

5. This device creates many smaller collision domains - but the network is still one large broadcast domain.
D8:1B:3D:76
Switch or bridge
Router
Buffering - windowing - congestion avoidance

6. This device can measure the distance to a remote network.
Router
Transport
The Transport layer segments user data.
00001010.00001011.00001100.01100011

7. 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.
Buffering - windowing - congestion avoidance
The Data Link layer is responsible for the framing of data packets.
The Transport layer segments user data.

8. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
11000000.10101000.00001010.00001111
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
Router
The Transport layer user virtual circuits to create a reliable connection between two hosts.

9. Which layer is represented by packets?
Transport
The Network layer creates packets out of segments handed down from the Transport layer.
Hub
The Session layer creates sessions between different hosts' applications.

10. Name three types of connections that can use full duplex.
Switch to switch - host to host - switch to host
RJ45 UTP crossover cable.
Source and destination MAC address and FCS field
The Session layer creates sessions between different hosts' applications.

11. Logical addressing is used at this layer.
The Session layer creates sessions between different hosts' applications.
Network
3 - 2 - 1 - none
Hub and repeater

12. This device can never run full duplex.
Hub
Network
To provide a means for the receiver to govern the amount of data sent by the sender.
The Data Link layer frames packets received from the Network layer.

13. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
To provide a means for the receiver to govern the amount of data sent by the sender.
Router
Router
198.211.57.209

14. Which two fields are contained within an IEEE Ethernet frame header?
Source and destination MAC address and FCS field
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).
To create more collision domains and to add more bandwidth for users.

15. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
RJ45 UTP crossover cable.
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.
Source and destination MAC address and FCS field
Router

16. What is the purpose of flow control?
Packet switching - Packet filtering - Internetwork communication - Path selection
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).
To provide a means for the receiver to govern the amount of data sent by the sender.
Hub

17. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
The Session layer creates sessions between different hosts' applications.
To provide a means for the receiver to govern the amount of data sent by the sender.
84:D2:43:B3
Router

18. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
132.210.184.166
The Data Link layer frames packets received from the Network layer.
Router
Hub and repeater

19. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
132.210.184.166
The Physical layer is responsible for the electrical and mechanical connections between devices.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Switch to switch - host to host - switch to host

20. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Transport
The Physical layer is responsible for the electrical and mechanical connections between devices.
132.210.184.166

21. At which layer is routing implemented - enabling connections and path selection between two end systems?
Fiber-opticcable
The Network layer creates packets out of segments handed down from the Transport layer.
To provide a means for the receiver to govern the amount of data sent by the sender.
The Network layer provides routing through an internetwork and logical addressing.

22. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
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).
D8:1B:3D:76
183/B7

23. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
Data Link & Physical
RJ45 UTP rolled cable.
The Network layer provides routing through an internetwork and logical addressing.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

24. Convert 192.168.10.15 to binary format.
183/B7
204.51.170.85
11000000.10101000.00001010.00001111
Fiber-opticcable

25. Convert 172.16.20.55 to binary format.
10101100.00010000.00010100.00110111
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).
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

26. What are two purposes for segmentation with a bridge?
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
Hub and repeater

27. This layer supports flow control and sequencing.
Hub
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 Data Link layer frames packets received from the Network layer.

28. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
Data Link
Transport
Transport
3 - 2 - 1 - none

29. When data is encapsulated - which is the correct order?
To provide a means for the receiver to govern the amount of data sent by the sender.
Data - segment - packet - frame - bit
132.210.184.166
Hub

30. Which layer is responsible for creating - managing - and terminating sessions between applications?
183/B7
Segments - packets - frames - bits
Data Link & Physical
The Session layer sets up - maintains - and terminates sessions between applications.

31. This layer uses service access points.
Data Link (LLC sublayer)
Fiber-opticcable
183/B7
The Data Link layer is responsible for the framing of data packets.

32. This layer creates a virtual circuit before transmitting between two end stations.
To provide a means for the receiver to govern the amount of data sent by the sender.
Switch or bridge
Router
Transport

33. Which layer provides logical addressing that routers will use for path determination?
Hub
The Network layer provides logical addressing - typically IP addressing and routing.
Hub
Source and destination MAC address and FCS field

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

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35. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
CA:F5:83:EB
10101100.00010000.00010100.00110111
Transport
Network

36. 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.
D8:1B:3D:76
11000000.10101000.00001010.00001111
The Data Link layer frames packets received from the Network layer.

37. 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 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.
48 bits (6 bytes)
Hub and repeater
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).

38. Which layer is represented by segments?
Switch or bridge
Data - segment - packet - frame - bit
Data Link (LLC sublayer)
The Transport layer segments user data.

39. This device sends and receives information about the Network layer.
10101100.00010000.00010100.00110111
Router
The Data Link layer frames packets received from the Network layer.
D8:1B:3D:76

40. 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.
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
Router

41. This device creates one big collision domain and one large broadcast domain.
Data Link (LLC sublayer)
To provide a means for the receiver to govern the amount of data sent by the sender.
Router
Hub

42. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
11000000.10101000.00001010.00001111
The Network layer creates packets out of segments handed down from the Transport layer.
The Presentation layer makes sure that data is in a readable format for the Application layer.
Data Link

43. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Transport
Layer 4
Bridge or switch
The Data Link layer is responsible for the framing of data packets.

44. Segmentation of a data stream happens at which layer of the OSI model?
Transport
The Session layer sets up - maintains - and terminates sessions between applications.
Bridge or switch
RJ45 UTP crossover cable.

45. What type of RJ45 UTP cable is used between switches?
Data Link
RJ45 UTP crossover cable.
The Network layer creates packets out of segments handed down from the Transport layer.
Network

46. This device breaks up collision domains and broadcast domains.
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 Presentation layer makes sure that data is in a readable format for the Application layer.
Router
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

47. Convert 10.11.12.99 to binary format.
183/B7
48 bits (6 bytes)
00001010.00001011.00001100.01100011
198.211.57.209

48. Which of the following are 3 common types of flow control?
RJ45 UTP rolled cable.
Buffering - windowing - congestion avoidance
The Network layer creates packets out of segments handed down from the Transport layer.
00001010.00001011.00001100.01100011

49. This device uses hardware addresses to filter a network.
Bridge or switch
The Session layer creates sessions between different hosts' applications.
204.51.170.85
Hub

50. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
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.
To provide a means for the receiver to govern the amount of data sent by the sender.
The Transport layer segments user data.