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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 layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
Data Link
Router
Transport
11000000.10101000.00001010.00001111

2. 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.
Transport
3 - 2 - 1 - none

3. What is the bit length and expression form of a MAC address?
48 bits (6 bytes)
Switch or bridge
Switch to switch - host to host - switch to host
Transport

4. What are two purposes for segmentation with a bridge?
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
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.

5. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
The Network layer provides logical addressing - typically IP addressing and routing.
Data Link & Physical
Packet switching - Packet filtering - Internetwork communication - Path selection
204.51.170.85

6. What type of RJ45 UTP cable is used between switches?
11000000.10101000.00001010.00001111
Segments - packets - frames - bits
RJ45 UTP crossover cable.
Router

7. This device uses hardware addresses to filter a network.
Bridge or switch
The Network layer provides routing through an internetwork and logical addressing.
183/B7
Data Link (LLC sublayer)

8. Which layer segments and reassembles data into a data stream?
Router
Transport
Data - segment - packet - frame - bit
Router

9. This device can measure the distance to a remote network.
The Data Link layer frames packets received from the Network layer.
Transport
Router
Source and destination MAC address and FCS field

10. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
To provide a means for the receiver to govern the amount of data sent by the sender.
D8:1B:3D:76
Segments - packets - frames - bits
Packet switching - Packet filtering - Internetwork communication - Path selection

11. What is the purpose of flow control?
To provide a means for the receiver to govern the amount of data sent by the sender.
Router
Buffering - windowing - congestion avoidance
183/B7

12. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
Segments - packets - frames - bits
198.211.57.209
Transport
Data Link & Physical

13. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
183/B7
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Router

14. This device creates many smaller collision domains - but the network is still one large broadcast domain.
The Presentation layer makes sure that data is in a readable format for the Application layer.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Switch or bridge
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

15. Name three types of connections that can use full duplex.
Data Link (LLC sublayer)
RJ45 UTP rolled cable.
Transport
Switch to switch - host to host - switch to host

16. Which two fields are contained within an IEEE Ethernet frame header?
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
00001010.00001011.00001100.01100011
Source and destination MAC address and FCS field
The Physical layer is responsible for the electrical and mechanical connections between devices.

17. This device can never run full duplex.
Fiber-opticcable
Hub
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.

18. This layer uses service access points.
Data Link (LLC sublayer)
RJ45 UTP crossover cable.
The Transport layer segments user data.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

19. Which of the following are 3 common types of flow control?
RJ45 UTP crossover cable.
Buffering - windowing - congestion avoidance
The Physical layer is responsible for the electrical and mechanical connections between devices.
The Network layer provides routing through an internetwork and logical addressing.

20. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
198.211.57.209
To create more collision domains and to add more bandwidth for users.
00001010.00001011.00001100.01100011
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

21. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
The Data Link layer frames packets received from the Network layer.
CA:F5:83:EB
Transport
84:D2:43:B3

22. Convert 10.11.12.99 to binary format.
Buffering - windowing - congestion avoidance
00001010.00001011.00001100.01100011
204.51.170.85
RJ45 UTP crossover cable.

23. Ethernet is defined at these layers.
Switch to switch - host to host - switch to host
The Network layer creates packets out of segments handed down from the Transport layer.
Data Link & Physical
The Physical layer is responsible for the electrical and mechanical connections between devices.

24. Segmentation of a data stream happens at which layer of the OSI model?
Hub and repeater
11000000.10101000.00001010.00001111
Transport
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

25. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
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 Physical layer is responsible for the electrical and mechanical connections between devices.
204.51.170.85
Hub and repeater

26. This layer creates a virtual circuit before transmitting between two end stations.
Transport
To create more collision domains and to add more bandwidth for users.
132.210.184.166
Data Link (LLC sublayer)

27. Convert 192.168.10.15 to binary format.
RJ45 UTP rolled cable.
204.51.170.85
The Session layer creates sessions between different hosts' applications.
11000000.10101000.00001010.00001111

28. 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?
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.
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

29. Which layer is represented by segments?
Router
D8:1B:3D:76
Segments - packets - frames - bits
The Transport layer segments user data.

30. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
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).
Switch to switch - host to host - switch to host
The Physical layer is responsible for the electrical and mechanical connections between devices.

31. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
CA:F5:83:EB
RJ45 UTP crossover cable.
Fiber-opticcable
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).

32. Convert 172.16.20.55 to binary format.
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).
Decrease the window size.
Data Link (LLC sublayer)

33. Logical addressing is used at this layer.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Network
Switch to switch - host to host - switch to host
198.211.57.209

34. This device creates one big collision domain and one large broadcast domain.
Hub
The Network layer creates packets out of segments handed down from the Transport layer.
The Network layer provides logical addressing - typically IP addressing and routing.
Data Link

35. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
The Data Link layer is responsible for the framing of data packets.
3 - 2 - 1 - none
198.211.57.209
Switch to switch - host to host - switch to host

36. Why does the data communication industry use the layered OSI reference model? (Name two)
Switch to switch - host to host - switch to host
The Presentation layer makes sure that data is in a readable format for the Application 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.
To create more collision domains and to add more bandwidth for users.

37. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
D8:1B:3D:76
Switch to switch - host to host - switch to host
Data Link
132.210.184.166

38. This layer supports flow control and sequencing.
The Network layer provides routing through an internetwork and logical addressing.
The Physical layer is responsible for the electrical and mechanical connections between devices.
Transport
3 - 2 - 1 - none

39. Convert 11011000.00011011.00111101.01110110 to hexadecimal 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.
Segments - packets - frames - bits
D8:1B:3D:76
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

40. 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
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Transport
3 - 2 - 1 - none

41. This device breaks up collision domains and broadcast domains.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Router
Data Link
Hub

42. When data is encapsulated - which is the correct order?
Data - segment - packet - frame - bit
204.51.170.85
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).

43. Which layer is represented by packets?
48 bits (6 bytes)
The Network layer creates packets out of segments handed down from the Transport layer.
Network
The Transport layer user virtual circuits to create a reliable connection between two hosts.

44. Which layer provides logical addressing that routers will use for path determination?
48 bits (6 bytes)
Transport
Data Link & Physical
The Network layer provides logical addressing - typically IP addressing and routing.

45. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
The Data Link layer is responsible for the framing of data packets.
48 bits (6 bytes)
Data Link & Physical
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.

46. 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 Session layer sets up - maintains - and terminates sessions between applications.
Buffering - windowing - congestion avoidance
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).
Hub

47. This device sends and receives information about the Network layer.
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 takes frames from the Data Link layer and encodes the 1s and 0s into a digital signal for transmission on the network medium.
To provide a means for the receiver to govern the amount of data sent by the sender.
Router

48. Name four router functions.
To create more collision domains and to add more bandwidth for users.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Decrease the window size.
Packet switching - Packet filtering - Internetwork communication - Path selection

49. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
The Transport layer segments user data.
Packet switching - Packet filtering - Internetwork communication - Path selection
11000000.10101000.00001010.00001111
The Presentation layer makes sure that data is in a readable format for the Application layer.

50. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
The Data Link layer is responsible for the framing of data packets.
3 - 2 - 1 - none
48 bits (6 bytes)
84:D2:43:B3