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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. Name three types of connections that can use full duplex.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
The Presentation layer makes sure that data is in a readable format for the Application layer.
Switch to switch - host to host - switch to host
The Transport layer user virtual circuits to create a reliable connection between two hosts.

2. What is the purpose of flow control?
Fiber-opticcable
To provide a means for the receiver to govern the amount of data sent by the sender.
Hub and repeater
Packet switching - Packet filtering - Internetwork communication - Path selection

3. 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.
11000000.10101000.00001010.00001111
D8:1B:3D:76
The Physical layer is responsible for the electrical and mechanical connections between devices.

4. Convert 172.16.20.55 to binary format.
84:D2:43:B3
10101100.00010000.00010100.00110111
Segments - packets - frames - bits
Hub and repeater

5. 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?
The Network layer provides logical addressing - typically IP addressing and routing.
198.211.57.209
Data Link & Physical
Decrease the window size.

6. Which layer is represented by packets?
The Transport layer segments user data.
The Physical layer is responsible for the electrical and mechanical connections between devices.
The Network layer creates packets out of segments handed down from the Transport layer.
To provide a means for the receiver to govern the amount of data sent by the sender.

7. This device breaks up collision domains and broadcast domains.
RJ45 UTP rolled cable.
Router
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).

8. What type of RJ45 UTP cable is used between switches?
Transport
00001010.00001011.00001100.01100011
Network
RJ45 UTP crossover cable.

9. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
Transport
RJ45 UTP rolled cable.
Transport
Hub and repeater

10. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
The Network layer provides routing through an internetwork and logical addressing.
Transport
RJ45 UTP rolled cable.
Hub

11. This layer uses service access points.
Packet switching - Packet filtering - Internetwork communication - Path selection
Data Link (LLC sublayer)
00001010.00001011.00001100.01100011
10101100.00010000.00010100.00110111

12. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
Data Link & Physical
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
CA:F5:83:EB
Decrease the window size.

13. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
The Presentation layer makes sure that data is in a readable format for the Application layer.
The Transport layer segments user data.
10101100.00010000.00010100.00110111
132.210.184.166

14. 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.
11000000.10101000.00001010.00001111
The Data Link layer frames packets received from the Network layer.
204.51.170.85

15. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
204.51.170.85
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.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

16. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Fiber-opticcable
To create more collision domains and to add more bandwidth for users.
Network
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.

17. Ethernet is defined at these layers.
Data Link & Physical
Switch to switch - host to host - switch to host
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).
RJ45 UTP rolled cable.

18. What are two purposes for segmentation with a bridge?
Network
Data Link (LLC sublayer)
RJ45 UTP crossover cable.
To create more collision domains and to add more bandwidth for users.

19. Which layer is represented by segments?
CA:F5:83:EB
The Transport layer segments user data.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
The Session layer sets up - maintains - and terminates sessions between applications.

20. Which of the following are 3 common types of flow control?
Bridge or switch
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).
Buffering - windowing - congestion avoidance
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

21. This device can measure the distance to a remote network.
Hub
Router
Bridge or switch
Packet switching - Packet filtering - Internetwork communication - Path selection

22. This device uses hardware addresses to filter a network.
Transport
Bridge or switch
Router
The Session layer sets up - maintains - and terminates sessions between applications.

23. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
RJ45 UTP rolled cable.
204.51.170.85
3 - 2 - 1 - none
11000000.10101000.00001010.00001111

24. Which layer provides logical addressing that routers will use for path determination?
The Network layer provides logical addressing - typically IP addressing and routing.
The Data Link layer frames packets received from the Network layer.
CA:F5:83:EB
Packet switching - Packet filtering - Internetwork communication - Path selection

25. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
84:D2:43:B3
Hub
The Network layer provides routing through an internetwork and logical addressing.
D8:1B:3D:76

26. This layer supports flow control and sequencing.
The Session layer sets up - maintains - and terminates sessions between applications.
Transport
48 bits (6 bytes)
Fiber-opticcable

27. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
204.51.170.85
48 bits (6 bytes)
The Network layer provides routing through an internetwork and logical addressing.
RJ45 UTP crossover cable.

28. 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
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
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

29. Convert 192.168.10.15 to binary format.
11000000.10101000.00001010.00001111
Router
Network
CA:F5:83:EB

30. Why does the data communication industry use the layered OSI reference model? (Name two)
To create more collision domains and to add more bandwidth for users.
The Physical layer is responsible for the electrical and mechanical connections between devices.
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.

31. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
Router
Segments - packets - frames - bits
198.211.57.209
3 - 2 - 1 - none

32. At which layer is routing implemented - enabling connections and path selection between two end systems?
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).
To provide a means for the receiver to govern the amount of data sent by the sender.
The Network layer provides routing through an internetwork and logical addressing.

33. Which layer is responsible for keeping the data from different applications separate on the network?

34. Which layer is represented by bits?
Data - segment - packet - frame - bit
3 - 2 - 1 - none
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Data Link

35. Which layer is represented by frames?
Transport
The Data Link layer frames packets received from 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
132.210.184.166

36. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
RJ45 UTP crossover cable.
The Transport layer segments user data.
Data Link
198.211.57.209

37. Logical addressing is used at this layer.
The Session layer creates sessions between different hosts' applications.
The Data Link layer is responsible for the framing of data packets.
11000000.10101000.00001010.00001111
Network

38. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
84:D2:43:B3
Layer 4
198.211.57.209
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. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
Layer 4
132.210.184.166
Transport
The Network layer provides routing through an internetwork and logical addressing.

40. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
The Data Link layer is responsible for the framing of data packets.
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 Transport layer user virtual circuits to create a reliable connection between two hosts.

41. Which two fields are contained within an IEEE Ethernet frame header?
D8:1B:3D:76
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.
Source and destination MAC address and FCS field

42. Which layer is responsible for creating - managing - and terminating sessions between applications?
Bridge or switch
The Session layer sets up - maintains - and terminates sessions between applications.
Hub
Layer 4

43. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
183/B7
The Session layer creates sessions between different hosts' applications.
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
To create more collision domains and to add more bandwidth for users.

44. When data is encapsulated - which is the correct order?
Network
Hub and repeater
Router
Data - segment - packet - frame - bit

45. What is the bit length and expression form of a MAC address?
84:D2:43:B3
Hub
48 bits (6 bytes)
To provide a means for the receiver to govern the amount of data sent by the sender.

46. This device can never run full duplex.
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
3 - 2 - 1 - none
Data Link

47. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
48 bits (6 bytes)
The Network layer provides logical addressing - typically IP addressing and routing.
Decrease the window size.
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. Name four router functions.
Buffering - windowing - congestion avoidance
Hub and repeater
132.210.184.166
Packet switching - Packet filtering - Internetwork communication - Path selection

49. 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?
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.
204.51.170.85
The Session layer sets up - maintains - and terminates sessions between applications.

50. This device sends and receives information about the Network layer.
10101100.00010000.00010100.00110111
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.
Data - segment - packet - frame - bit
Router