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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. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
The Data Link layer is responsible for the framing of data packets.
183/B7
Data Link & Physical
132.210.184.166

2. This layer supports flow control and sequencing.
The Network layer provides routing through an internetwork and logical addressing.
3 - 2 - 1 - none
Transport
Fiber-opticcable

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

4. Name four router functions.
Router
The Network layer creates packets out of segments handed down from the Transport layer.
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.

5. What type of RJ45 UTP cable is used between switches?
Segments - packets - frames - bits
RJ45 UTP crossover cable.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Bridge or switch

6. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
Data Link (LLC sublayer)
Network
The Presentation layer makes sure that data is in a readable format for the Application layer.
48 bits (6 bytes)

7. Which layer is responsible for creating - managing - and terminating sessions between applications?
Data Link
Transport
The Session layer sets up - maintains - and terminates sessions between applications.
Transport

8. This device breaks up collision domains and broadcast domains.
Router
183/B7
Switch to switch - host to host - switch to host
Data - segment - packet - frame - bit

9. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
The Data Link layer is responsible for the framing of data packets.
Source and destination MAC address and FCS field
Fiber-opticcable
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.

10. 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?
3 - 2 - 1 - none
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.
Switch to switch - host to host - switch to host

11. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
Router
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.
3 - 2 - 1 - none

12. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
Transport
Data Link (LLC sublayer)
Router
The Physical layer is responsible for the electrical and mechanical connections between devices.

13. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Network
The Data Link layer frames packets received from the Network layer.
Network
Switch or bridge

14. Logical addressing is used at this layer.
132.210.184.166
Network
The Data Link layer frames packets received from the Network layer.
Bridge or switch

15. Which layer is represented by packets?
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
198.211.57.209
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.

16. Convert 172.16.20.55 to binary format.
10101100.00010000.00010100.00110111
Transport
Segments - packets - frames - bits
The Network layer creates packets out of segments handed down from the Transport layer.

17. Convert 10.11.12.99 to binary format.
183/B7
The Network layer creates packets out of segments handed down from the Transport layer.
Router
00001010.00001011.00001100.01100011

18. Convert 192.168.10.15 to binary format.
11000000.10101000.00001010.00001111
Data Link
Layer 4
The Session layer sets up - maintains - and terminates sessions between applications.

19. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
Transport
The Network layer provides logical addressing - typically IP addressing and routing.
Segments - packets - frames - bits
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

20. Segmentation of a data stream happens at which layer of the OSI model?
The Data Link layer frames packets received from the Network layer.
48 bits (6 bytes)
Switch to switch - host to host - switch to host
Transport

21. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
Bridge or switch
Decrease the window size.
RJ45 UTP rolled cable.
204.51.170.85

22. Which of the following are 3 common types of flow control?
Hub
Bridge or switch
48 bits (6 bytes)
Buffering - windowing - congestion avoidance

23. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
CA:F5:83:EB
204.51.170.85
48 bits (6 bytes)
Hub

24. Why does the data communication industry use the layered OSI reference model? (Name two)
198.211.57.209
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.
RJ45 UTP crossover cable.

25. Which layer is represented by frames?
Hub
183/B7
Transport
The Data Link layer frames packets received from the Network layer.

26. 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.
The Presentation layer makes sure that data is in a readable format for the Application layer.
The Network layer creates packets out of segments handed down from the Transport layer.
132.210.184.166

27. Which layer segments and reassembles data into a data stream?
48 bits (6 bytes)
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Network
Transport

28. This device can measure the distance to a remote network.
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 and repeater
RJ45 UTP crossover cable.

29. What is the bit length and expression form of a MAC address?
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
48 bits (6 bytes)
132.210.184.166

30. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
132.210.184.166
00001010.00001011.00001100.01100011
D8:1B:3D:76
The Presentation layer makes sure that data is in a readable format for the Application layer.

31. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
The Network layer provides routing through an internetwork and logical addressing.
Segments - packets - frames - bits
Data Link & Physical
3 - 2 - 1 - none

32. This layer creates a virtual circuit before transmitting between two end stations.
Hub
Data Link & Physical
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.

33. What is the purpose of flow control?
The Network layer creates packets out of segments handed down from the Transport layer.
Switch or bridge
The Transport layer segments user data.
To provide a means for the receiver to govern the amount of data sent by the sender.

34. Name three types of connections that can use full duplex.
D8:1B:3D:76
Data Link (LLC sublayer)
Switch to switch - host to host - switch to host
The Session layer sets up - maintains - and terminates sessions between applications.

35. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
11000000.10101000.00001010.00001111
Router
Source and destination MAC address and FCS field
Fiber-opticcable

36. At which layer is routing implemented - enabling connections and path selection between two end systems?
Network
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Layer 4
The Network layer provides routing through an internetwork and logical addressing.

37. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
Data - segment - packet - frame - bit
84:D2:43:B3
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 provides logical addressing - typically IP addressing and routing.

38. 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
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
00001010.00001011.00001100.01100011
84:D2:43:B3
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).

39. This layer uses service access points.
Data Link (LLC sublayer)
11000000.10101000.00001010.00001111
Bridge or switch
To create more collision domains and to add more bandwidth for users.

40. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
84:D2:43:B3
Switch to switch - host to host - switch to host
Router
Data Link

41. Which layer provides logical addressing that routers will use for path determination?
Hub
Switch to switch - host to host - switch to host
Transport
The Network layer provides logical addressing - typically IP addressing and routing.

42. Which layer is represented by segments?
The Transport layer segments user data.
RJ45 UTP rolled cable.
Transport
Layer 4

43. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
Layer 4
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
Hub
Segments - packets - frames - bits

44. What are two purposes for segmentation with a bridge?
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
To create more collision domains and to add more bandwidth for users.
132.210.184.166
The Transport layer segments user data.

45. Which two fields are contained within an IEEE Ethernet frame header?
Hub and repeater
Buffering - windowing - congestion avoidance
Source and destination MAC address and FCS field
204.51.170.85

46. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
Packet switching - Packet filtering - Internetwork communication - Path selection
204.51.170.85
Transport
Data Link (LLC sublayer)

47. This device can never run full duplex.
The Physical layer is responsible for the electrical and mechanical connections between devices.
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
Segments - packets - frames - bits
Hub

48. This device uses hardware addresses to filter a network.
84:D2:43:B3
Bridge or switch
132.210.184.166
Decrease the window size.

49. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
Buffering - windowing - congestion avoidance
Source and destination MAC address and FCS field
183/B7
Network

50. This device creates one big collision domain and one large broadcast domain.
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.
Packet switching - Packet filtering - Internetwork communication - Path selection
The Transport layer segments user data.
Hub