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Cisco Prep

Instructions:

Answer 50 questions in 30 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 measure the distance to a remote network.
To provide a means for the receiver to govern the amount of data sent by the sender.
CA:F5:83:EB
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

2. This layer supports flow control and sequencing.
RJ45 UTP rolled cable.
Transport
Buffering - windowing - congestion avoidance
3 - 2 - 1 - none

3. This device can never run full duplex.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Source and destination MAC address and FCS field
Data - segment - packet - frame - bit
Hub

4. What are two purposes for segmentation with a bridge?
11000000.10101000.00001010.00001111
To create more collision domains and to add more bandwidth for users.
CA:F5:83:EB
Buffering - windowing - congestion avoidance

5. This device breaks up collision domains and broadcast domains.
48 bits (6 bytes)
Buffering - windowing - congestion avoidance
Source and destination MAC address and FCS field
Router

6. Convert 10.11.12.99 to binary format.
48 bits (6 bytes)
00001010.00001011.00001100.01100011
10101100.00010000.00010100.00110111
Network

7. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
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.
Router
204.51.170.85

8. This layer uses service access points.
Data Link (LLC sublayer)
The Session layer creates sessions between different hosts' applications.
204.51.170.85
Transport

9. Which layer is represented by packets?
Hub
The Network layer creates packets out of segments handed down from the Transport layer.
Transport
Data - segment - packet - frame - bit

10. Convert 172.16.20.55 to binary format.
Buffering - windowing - congestion avoidance
Router
10101100.00010000.00010100.00110111
The Network layer provides routing through an internetwork and logical addressing.

11. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
183/B7
84:D2:43:B3
D8:1B:3D:76
Data - segment - packet - frame - bit

12. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
Data Link
Segments - packets - frames - bits
198.211.57.209
Router

13. 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 Session layer creates sessions between different hosts' applications.
RJ45 UTP rolled cable.
Router

14. 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
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).
The Network layer provides logical addressing - typically IP addressing and routing.
Network

15. Convert 192.168.10.15 to binary format.
132.210.184.166
Transport
11000000.10101000.00001010.00001111
D8:1B:3D:76

16. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
Hub and repeater
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Switch or bridge
CA:F5:83:EB

17. 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.
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.
The Data Link layer frames packets received from the Network layer.

18. Which layer is represented by frames?
Router
Hub and repeater
The Data Link layer frames packets received from the Network layer.
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).

19. 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?
The Physical layer is responsible for the electrical and mechanical connections between devices.
Hub
204.51.170.85
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

20. What type of RJ45 UTP cable is used between switches?
Network
Source and destination MAC address and FCS field
RJ45 UTP crossover cable.
Data Link & Physical

21. Name three types of connections that can use full duplex.
204.51.170.85
Source and destination MAC address and FCS field
Switch to switch - host to host - switch to host
Data Link

22. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
Bridge or switch
The Presentation layer makes sure that data is in a readable format for the Application layer.
Buffering - windowing - congestion avoidance
Network

23. This device sends and receives information about the Network layer.
Switch or bridge
Router
To provide a means for the receiver to govern the amount of data sent by the sender.
Transport

24. This device uses hardware addresses to filter a network.
Network
Bridge or switch
The Data Link layer is responsible for the framing of data packets.
11000000.10101000.00001010.00001111

25. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Fiber-opticcable
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Layer 4
Bridge or switch

26. This device creates many smaller collision domains - but the network is still one large broadcast domain.
The Session layer creates sessions between different hosts' applications.
Decrease the window size.
00001010.00001011.00001100.01100011
Switch or bridge

27. Ethernet is defined at these layers.
204.51.170.85
Packet switching - Packet filtering - Internetwork communication - Path selection
00001010.00001011.00001100.01100011
Data Link & Physical

28. Which layer is responsible for creating - managing - and terminating sessions between applications?
The Session layer sets up - maintains - and terminates sessions between applications.
48 bits (6 bytes)
198.211.57.209
D8:1B:3D:76

29. Which layer segments and reassembles data into a data stream?
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Packet switching - Packet filtering - Internetwork communication - Path selection
Decrease the window size.
Transport

30. 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
Data Link (LLC sublayer)
D8:1B:3D:76

31. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
The Physical layer is responsible for the electrical and mechanical connections between devices.
3 - 2 - 1 - none
198.211.57.209
Segments - packets - frames - bits

32. Which layer provides logical addressing that routers will use for path determination?
Router
Bridge or switch
The Network layer provides logical addressing - typically IP addressing and routing.
The Session layer sets up - maintains - and terminates sessions between applications.

33. Which of the following are 3 common types of flow control?
Buffering - windowing - congestion avoidance
Layer 4
11000000.10101000.00001010.00001111
Bridge or switch

34. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
CA:F5:83:EB
3 - 2 - 1 - none
Router
The Session layer sets up - maintains - and terminates sessions between applications.

35. Which layer is represented by bits?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
The Data Link layer is responsible for the framing of data packets.
132.210.184.166
Source and destination MAC address and FCS field

36. Name four router functions.
Packet switching - Packet filtering - Internetwork communication - Path selection
The Presentation layer makes sure that data is in a readable format for the Application layer.
3 - 2 - 1 - none
Router

37. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
Router
Segments - packets - frames - bits
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

38. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
The Physical layer is responsible for the electrical and mechanical connections between devices.
3 - 2 - 1 - none
Transport
Network

39. At which layer is routing implemented - enabling connections and path selection between two end systems?
The Network layer provides routing through an internetwork and logical addressing.
The Physical layer is responsible for the electrical and mechanical connections between devices.
Hub
Transport

40. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
Hub
183/B7
The Presentation layer makes sure that data is in a readable format for the Application layer.
Hub

41. What is the bit length and expression form of a MAC address?
Data Link & Physical
Switch to switch - host to host - switch to host
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
48 bits (6 bytes)

42. This device creates one big collision domain and one large broadcast domain.
Buffering - windowing - congestion avoidance
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.
Hub

43. Logical addressing is used at this layer.
The Session layer creates sessions between different hosts' applications.
The Network layer creates packets out of segments handed down from the Transport layer.
Network
Data Link & Physical

44. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
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).
Transport
RJ45 UTP rolled cable.
Network

45. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
Hub
Data Link & Physical
RJ45 UTP rolled cable.
Data Link

46. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
183/B7
Router
The Presentation layer makes sure that data is in a readable format for the Application layer.
The Data Link layer is responsible for the framing of data packets.

47. Which layer is represented by segments?
The Transport layer segments user data.
The Presentation layer makes sure that data is in a readable format for the Application layer.
48 bits (6 bytes)
Data Link (LLC sublayer)

48. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
RJ45 UTP crossover cable.
Transport
00001010.00001011.00001100.01100011
183/B7

49. Segmentation of a data stream happens at which layer of the OSI model?
Transport
Hub
RJ45 UTP rolled cable.
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. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Data Link (LLC sublayer)
RJ45 UTP rolled cable.
183/B7
Fiber-opticcable