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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 breaks up collision domains and broadcast domains.
RJ45 UTP rolled cable.
Layer 4
Packet switching - Packet filtering - Internetwork communication - Path selection
Router

2. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
183/B7
Hub
Hub
Network

3. Which layer segments and reassembles data into a data stream?
The Presentation layer makes sure that data is in a readable format for the Application layer.
Decrease the window size.
Transport
The Transport layer user virtual circuits to create a reliable connection between two hosts.

4. 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?
To create more collision domains and to add more bandwidth for users.
The Presentation layer makes sure that data is in a readable format for the Application layer.
Decrease the window size.
Switch to switch - host to host - switch to host

5. Which layer is responsible for creating - managing - and terminating sessions between applications?
204.51.170.85
The Session layer sets up - maintains - and terminates sessions between applications.
Data Link (LLC sublayer)
Transport

6. Convert 172.16.20.55 to binary format.
Router
Hub
10101100.00010000.00010100.00110111
Transport

7. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
3 - 2 - 1 - none
Switch to switch - host to host - switch to host
The Data Link layer is responsible for the framing of data packets.
The Physical layer is responsible for the electrical and mechanical connections between devices.

8. This device creates many smaller collision domains - but the network is still one large broadcast domain.
48 bits (6 bytes)
Switch or bridge
The Transport layer segments user data.
Network

9. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
204.51.170.85
The Transport layer segments user data.
Data - segment - packet - frame - bit
RJ45 UTP rolled cable.

10. What type of RJ45 UTP cable is used between switches?
RJ45 UTP crossover cable.
Buffering - windowing - congestion avoidance
Data - segment - packet - frame - bit
Layer 4

11. Convert 10.11.12.99 to binary format.
00001010.00001011.00001100.01100011
The Session layer creates sessions between different hosts' applications.
Hub and repeater
The Presentation layer makes sure that data is in a readable format for the Application layer.

12. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
Hub and repeater
Packet switching - Packet filtering - Internetwork communication - Path selection
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Transport

13. This device sends and receives information about the Network layer.
Data - segment - packet - frame - bit
Router
The Data Link layer is responsible for the framing of data packets.
Transport

14. What is the bit length and expression form of a MAC address?
RJ45 UTP rolled cable.
Router
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
48 bits (6 bytes)

15. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
The Session layer sets up - maintains - and terminates sessions between applications.
3 - 2 - 1 - none
The Physical layer is responsible for the electrical and mechanical connections between devices.
To provide a means for the receiver to govern the amount of data sent by the sender.

16. At which layer is routing implemented - enabling connections and path selection between two end systems?
RJ45 UTP crossover cable.
The Network layer provides routing through an internetwork and logical addressing.
Hub and repeater
Data Link (LLC sublayer)

17. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
The Physical layer is responsible for the electrical and mechanical connections between devices.
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 Presentation layer makes sure that data is in a readable format for the Application layer.
To create more collision domains and to add more bandwidth for users.

18. When data is encapsulated - which is the correct order?
Hub and repeater
Switch or bridge
Data - segment - packet - frame - bit
The Network layer provides routing through an internetwork and logical addressing.

19. Why does the data communication industry use the layered OSI reference model? (Name two)
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.
Fiber-opticcable
Router
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.

20. Ethernet is defined at these layers.
The Network layer provides logical addressing - typically IP addressing and routing.
Data Link & Physical
Transport
The Session layer sets up - maintains - and terminates sessions between applications.

21. Name four router functions.
D8:1B:3D:76
Router
Buffering - windowing - congestion avoidance
Packet switching - Packet filtering - Internetwork communication - Path selection

22. This device uses hardware addresses to filter a network.
Bridge or switch
Hub
The Data Link layer frames packets received from the Network layer.
Hub

23. Which layer is represented by bits?
Router
The Transport layer user virtual circuits to create a reliable connection between two hosts.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Switch to switch - host to host - switch to host

24. Convert 192.168.10.15 to binary format.
11000000.10101000.00001010.00001111
D8:1B:3D:76
Data Link
Router

25. This layer creates a virtual circuit before transmitting between two end stations.
183/B7
Transport
The Transport layer segments user data.
The Session layer sets up - maintains - and terminates sessions between applications.

26. Logical addressing is used at this layer.
Network
48 bits (6 bytes)
Buffering - windowing - congestion avoidance
The Physical layer is responsible for the electrical and mechanical connections between devices.

27. This layer uses service access points.
Data Link (LLC sublayer)
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.
Switch to switch - host to host - switch to host

28. This layer supports flow control and sequencing.
RJ45 UTP rolled cable.
Transport
Router
Switch to switch - host to host - switch to host

29. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
198.211.57.209
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.
RJ45 UTP crossover cable.

30. What is the purpose of flow control?
Layer 4
To create more collision domains and to add more bandwidth for users.
To provide a means for the receiver to govern the amount of data sent by the sender.
RJ45 UTP rolled cable.

31. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
CA:F5:83:EB
Bridge or switch
183/B7
198.211.57.209

32. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
Transport
Hub and repeater
Data Link
Segments - packets - frames - bits

33. Segmentation of a data stream happens at which layer of the OSI model?
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).
Transport
00001010.00001011.00001100.01100011

34. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
Router
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Transport

35. 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
The Transport layer user virtual circuits to create a reliable connection between two hosts.
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

36. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
198.211.57.209
RJ45 UTP crossover cable.
Data Link (LLC sublayer)
The Network layer creates packets out of segments handed down from the Transport layer.

37. Which layer is represented by frames?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Data Link (LLC sublayer)
The Data Link layer frames packets received from the Network layer.

38. What are two purposes for segmentation with a bridge?
204.51.170.85
To create more collision domains and to add more bandwidth for users.
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.

39. Which layer is represented by packets?
The Network layer creates packets out of segments handed down from the Transport layer.
Switch to switch - host to host - switch to host
To provide a means for the receiver to govern the amount of data sent by the sender.
To create more collision domains and to add more bandwidth for users.

40. Which of the following are 3 common types of flow control?
Buffering - windowing - congestion avoidance
Router
Switch or bridge
198.211.57.209

41. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
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.
132.210.184.166
Fiber-opticcable
The Network layer provides routing through an internetwork and logical addressing.

42. Which layer is represented by segments?
198.211.57.209
RJ45 UTP crossover cable.
Data Link (LLC sublayer)
The Transport layer segments user data.

43. 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
Buffering - windowing - congestion avoidance
Router
Data - segment - packet - frame - bit
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).

44. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
The Data Link layer is responsible for the framing of data packets.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
D8:1B:3D:76
Hub

45. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
CA:F5:83:EB
Switch or bridge
To create more collision domains and to add more bandwidth for users.
84:D2:43:B3

46. Which layer provides logical addressing that routers will use for path determination?
Router
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
The Network layer provides logical addressing - typically IP addressing and routing.
Hub and repeater

47. This device can measure the distance to a remote network.
Router
To provide a means for the receiver to govern the amount of data sent by the sender.
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 Session layer creates sessions between different hosts' applications.

48. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
Buffering - windowing - congestion avoidance
The Transport layer segments user data.
Segments - packets - frames - bits
The Transport layer user virtual circuits to create a reliable connection between two hosts.

49. 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.
To create more collision domains and to add more bandwidth for users.
Source and destination MAC address and FCS field
Hub

50. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
Fiber-opticcable
The Network layer creates packets out of segments handed down from the Transport layer.
D8:1B:3D:76
204.51.170.85