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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.
Fiber-opticcable
RJ45 UTP rolled cable.
Switch to switch - host to host - switch to host
3 - 2 - 1 - none

2. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
3 - 2 - 1 - none
The Transport layer segments user data.
The Data Link layer is responsible for the framing of data packets.

3. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
3 - 2 - 1 - none
Network
Data Link
198.211.57.209

4. When data is encapsulated - which is the correct order?
Data - segment - packet - frame - bit
The Data Link layer frames packets received from the Network layer.
132.210.184.166
The Network layer provides routing through an internetwork and logical addressing.

5. 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
Switch or 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).
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

6. Which of the following are 3 common types of flow control?
Bridge or switch
Buffering - windowing - congestion avoidance
Data - segment - packet - frame - bit
Transport

7. 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.
3 - 2 - 1 - none
Hub
Decrease the window size.

8. 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.
00001010.00001011.00001100.01100011
Data Link & Physical
Transport

9. What are two purposes for segmentation with a bridge?
183/B7
RJ45 UTP rolled cable.
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.

10. 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?
RJ45 UTP rolled cable.
The Network layer creates packets out of segments handed down from the Transport 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.
The Transport layer user virtual circuits to create a reliable connection between two hosts.

11. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
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).
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
RJ45 UTP rolled cable.
Router

12. This device creates one big collision domain and one large broadcast domain.
Data Link (LLC sublayer)
Hub
Router
198.211.57.209

13. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
198.211.57.209
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 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 routing through an internetwork and logical addressing.

14. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
The Transport layer segments user data.
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 and repeater
Hub

15. This layer creates a virtual circuit before transmitting between two end stations.
Transport
Router
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
The Data Link layer is responsible for the framing of data packets.

16. Convert 10.11.12.99 to binary format.
00001010.00001011.00001100.01100011
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Bridge or switch
48 bits (6 bytes)

17. Which layer is represented by frames?
To provide a means for the receiver to govern the amount of data sent by the sender.
Buffering - windowing - congestion avoidance
The Data Link layer frames packets received from the Network layer.
84:D2:43:B3

18. Which layer is represented by bits?
Data Link & Physical
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
CA:F5:83:EB
The Network layer provides logical addressing - typically IP addressing and routing.

19. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Router
Switch or bridge
84:D2:43:B3
The Physical layer is responsible for the electrical and mechanical connections between devices.

20. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
Bridge or switch
11000000.10101000.00001010.00001111
CA:F5:83:EB
The Data Link layer is responsible for the framing of data packets.

21. What is the bit length and expression form of a MAC address?
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.
Packet switching - Packet filtering - Internetwork communication - Path selection
Network
48 bits (6 bytes)

22. 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?
183/B7
RJ45 UTP rolled cable.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
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.

23. Why does the data communication industry use the layered OSI reference model? (Name two)
RJ45 UTP crossover cable.
The Data Link layer is responsible for the framing of data packets.
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.
Fiber-opticcable

24. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
Source and destination MAC address and FCS field
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 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.
183/B7

25. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
Switch to switch - host to host - switch to host
RJ45 UTP crossover cable.
The Data Link layer frames packets received from the Network layer.
Data Link

26. This layer supports flow control and sequencing.
Source and destination MAC address and FCS field
The Data Link layer is responsible for the framing of data packets.
Data - segment - packet - frame - bit
Transport

27. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
204.51.170.85
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).
Layer 4

28. This device sends and receives information about the Network layer.
Transport
Hub and repeater
10101100.00010000.00010100.00110111
Router

29. Ethernet is defined at these layers.
Fiber-opticcable
D8:1B:3D:76
Data Link & Physical
Buffering - windowing - congestion avoidance

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

31. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Hub
Data Link (LLC sublayer)
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Layer 4

32. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
3 - 2 - 1 - none
183/B7
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
The Transport layer segments user data.

33. This device can measure the distance to a remote network.
RJ45 UTP rolled cable.
RJ45 UTP crossover cable.
Router
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

34. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
Switch to switch - host to host - switch to host
The Session layer creates sessions between different hosts' applications.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Segments - packets - frames - bits

35. Convert 192.168.10.15 to binary 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.
The Session layer creates sessions between different hosts' applications.
Transport
11000000.10101000.00001010.00001111

36. Logical addressing is used at this layer.
Data Link (LLC sublayer)
Network
RJ45 UTP crossover cable.
Data - segment - packet - frame - bit

37. Convert 172.16.20.55 to binary format.
Data - segment - packet - frame - bit
The Network layer provides routing through an internetwork and logical addressing.
Router
10101100.00010000.00010100.00110111

38. This device uses hardware addresses to filter a network.
To provide a means for the receiver to govern the amount of data sent by the sender.
RJ45 UTP crossover cable.
Bridge or switch
Switch to switch - host to host - switch to host

39. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
Network
Data Link & Physical
Transport
Router

40. What type of RJ45 UTP cable is used between switches?
The Network layer provides logical addressing - typically IP addressing and routing.
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
RJ45 UTP crossover cable.
Buffering - windowing - congestion avoidance

41. This device can never run full duplex.
Packet switching - Packet filtering - Internetwork communication - Path selection
132.210.184.166
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Hub

42. Which layer is represented by segments?
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
The Transport layer segments user data.
Transport
132.210.184.166

43. Which two fields are contained within an IEEE Ethernet frame header?
Data Link & Physical
The Physical layer is responsible for the electrical and mechanical connections between devices.
Source and destination MAC address and FCS field
The Network layer creates packets out of segments handed down from the Transport layer.

44. This device breaks up collision domains and broadcast domains.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
132.210.184.166
Router
Data Link (LLC sublayer)

45. Name four router functions.
To create more collision domains and to add more bandwidth for users.
Packet switching - Packet filtering - Internetwork communication - Path selection
Transport
The Physical layer is responsible for the electrical and mechanical connections between devices.

46. What is the purpose of flow control?
The Transport layer segments user data.
The Network layer provides routing through an internetwork and logical addressing.
To provide a means for the receiver to govern the amount of data sent by the sender.
Segments - packets - frames - bits

47. Which layer is responsible for creating - managing - and terminating sessions between applications?
The Session layer sets up - maintains - and terminates sessions between applications.
Fiber-opticcable
The Network layer provides logical addressing - typically IP addressing and routing.
Hub

48. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
Source and destination MAC address and FCS field
CA:F5:83:EB
Hub
D8:1B:3D:76

49. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
Buffering - windowing - congestion avoidance
Data Link (LLC sublayer)
CA:F5:83:EB
RJ45 UTP rolled cable.

50. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
183/B7
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).
Fiber-opticcable
The Data Link layer frames packets received from the Network layer.