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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. This device can never run full duplex.
Hub
CA:F5:83:EB
The Transport layer segments user data.
The Network layer provides logical addressing - typically IP addressing and routing.

2. Which two fields are contained within an IEEE Ethernet frame header?
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).
Source and destination MAC address and FCS field
Transport

3. Which layer defines how data is formatted - presented - encoded - and converted for use on the 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
The Presentation layer makes sure that data is in a readable format for the Application layer.
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.

4. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
The Physical layer is responsible for the electrical and mechanical connections between devices.
The Transport layer segments user data.
Layer 4

5. What type of RJ45 UTP cable is used between switches?
RJ45 UTP crossover cable.
204.51.170.85
198.211.57.209
Switch or bridge

6. What is the purpose of flow control?
To provide a means for the receiver to govern the amount of data sent by the sender.
The Data Link layer is responsible for the framing of data packets.
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.

7. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
Layer 4
The Session layer creates sessions between different hosts' applications.
84:D2:43:B3
Transport

8. Which layer is represented by frames?
The Data Link layer frames packets received from the Network layer.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Network
CA:F5:83:EB

9. Segmentation of a data stream happens at which layer of the OSI model?
The Session layer creates sessions between different hosts' applications.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Transport

10. This layer creates a virtual circuit before transmitting between two end stations.
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.
Hub and repeater
Segments - packets - frames - bits

11. This layer uses service access points.
Data Link (LLC sublayer)
The Transport layer user virtual circuits to create a reliable connection between two hosts.
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.
204.51.170.85

12. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
198.211.57.209
The Data Link layer is responsible for the framing of data packets.
Source and destination MAC address and FCS field
Transport

13. 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
11000000.10101000.00001010.00001111
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

14. This layer supports flow control and sequencing.
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
Hub
CA:F5:83:EB

15. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
Transport
132.210.184.166
Hub and repeater
To create more collision domains and to add more bandwidth for users.

16. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
Hub
Buffering - windowing - congestion avoidance
Router
Network

17. This device sends and receives information about the Network layer.
CA:F5:83:EB
Layer 4
Router
Buffering - windowing - congestion avoidance

18. Which layer is represented by segments?
The Transport layer segments user data.
Router
The Session layer sets up - maintains - and terminates sessions between applications.
84:D2:43:B3

19. Which layer provides logical addressing that routers will use for path determination?
Transport
The Network layer provides logical addressing - typically IP addressing and routing.
Bridge or switch
11000000.10101000.00001010.00001111

20. Which layer segments and reassembles data into a data stream?
Transport
The Session layer creates sessions between different hosts' applications.
Data Link (LLC sublayer)
Router

21. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
The Network layer provides logical addressing - typically IP addressing and routing.
Segments - packets - frames - bits
CA:F5:83:EB
Hub

22. Convert 192.168.10.15 to binary format.
Packet switching - Packet filtering - Internetwork communication - Path selection
10101100.00010000.00010100.00110111
The Network layer provides routing through an internetwork and logical addressing.
11000000.10101000.00001010.00001111

23. Logical addressing is used at this layer.
Source and destination MAC address and FCS field
Fiber-opticcable
48 bits (6 bytes)
Network

24. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
The Transport layer segments user data.
132.210.184.166
The Data Link layer is responsible for the framing of data packets.
The Network layer provides logical addressing - typically IP addressing and routing.

25. What is the bit length and expression form of a MAC address?
Data - segment - packet - frame - bit
48 bits (6 bytes)
The Session layer creates sessions between different hosts' applications.
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).

26. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Transport
Router
Layer 4
Switch or bridge

27. This device can measure the distance to a remote network.
The Session layer creates sessions between different hosts' applications.
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 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

28. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
To create more collision domains and to add more bandwidth for users.
183/B7
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

29. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
Hub and repeater
Fiber-opticcable
D8:1B:3D:76
3 - 2 - 1 - none

30. At which layer is routing implemented - enabling connections and path selection between two end systems?
Hub and repeater
204.51.170.85
The Network layer provides routing through an internetwork and logical addressing.
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).

31. 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?
Data Link & Physical
198.211.57.209
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Transport

32. This device uses hardware addresses to filter a network.
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.
183/B7
84:D2:43:B3
Bridge or switch

33. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
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).
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Data Link (LLC sublayer)

34. Convert 10.11.12.99 to binary format.
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
Bridge or switch
Transport

35. When data is encapsulated - which is the correct order?
D8:1B:3D:76
The Presentation layer makes sure that data is in a readable format for the Application layer.
Data - segment - packet - frame - bit
11000000.10101000.00001010.00001111

36. What are two purposes for segmentation with a bridge?
Segments - packets - frames - bits
Decrease the window size.
The Session layer sets up - maintains - and terminates sessions between applications.
To create more collision domains and to add more bandwidth for users.

37. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
00001010.00001011.00001100.01100011
CA:F5:83:EB
Bridge or switch
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

38. Name four router functions.
Packet switching - Packet filtering - Internetwork communication - Path selection
The Session layer creates sessions between different hosts' applications.
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.
Buffering - windowing - congestion avoidance

39. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
The Network layer provides routing through an internetwork and logical addressing.
Data Link
Switch or bridge
Packet switching - Packet filtering - Internetwork communication - Path selection

40. This device breaks up collision domains and broadcast domains.
Data Link
To provide a means for the receiver to govern the amount of data sent by the sender.
Router
Packet switching - Packet filtering - Internetwork communication - Path selection

41. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
204.51.170.85
Switch or bridge
Layer 4
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.

42. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
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
Data Link
Network
D8:1B:3D:76

43. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
Decrease the window size.
RJ45 UTP rolled cable.
D8:1B:3D:76
3 - 2 - 1 - none

44. This device creates one big collision domain and one large broadcast domain.
Hub
Hub and repeater
Source and destination MAC address and FCS field
Data Link (LLC sublayer)

45. 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?
Layer 4
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
The Data Link layer is responsible for the framing of data packets.
To create more collision domains and to add more bandwidth for users.

46. Which layer is responsible for creating - managing - and terminating sessions between applications?
Router
The Physical layer is responsible for the electrical and mechanical connections between devices.
The Session layer sets up - maintains - and terminates sessions between applications.
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.

47. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
Decrease the window size.
Bridge or switch
The Network layer provides logical addressing - typically IP addressing and routing.
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. Which of the following are 3 common types of flow control?
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.
Buffering - windowing - congestion avoidance
Switch or bridge

49. 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
Bridge or switch
CA:F5:83:EB
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 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).

50. Which layer is represented by bits?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
The Session layer creates sessions between different hosts' applications.
Transport
To provide a means for the receiver to govern the amount of data sent by the sender.