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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. Which layer is represented by frames?
The Data Link layer frames packets received from the Network layer.
Transport
204.51.170.85
Layer 4

2. Name three types of connections that can use full duplex.
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.
Data - segment - packet - frame - bit
Switch to switch - host to host - switch to host

3. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Layer 4
The Network layer provides routing through an internetwork and logical addressing.
To create more collision domains and to add more bandwidth for users.
Hub and repeater

4. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
3 - 2 - 1 - none
The Data Link layer is responsible for the framing of data packets.
10101100.00010000.00010100.00110111
183/B7

5. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (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.
Data Link & Physical
3 - 2 - 1 - none
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

6. 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?
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.
204.51.170.85
The Transport layer user virtual circuits to create a reliable connection between two hosts.

7. Convert 10.11.12.99 to binary format.
Layer 4
00001010.00001011.00001100.01100011
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.
Router

8. Which two fields are contained within an IEEE Ethernet frame header?
D8:1B:3D:76
Data Link & Physical
Buffering - windowing - congestion avoidance
Source and destination MAC address and FCS field

9. Name four router functions.
D8:1B:3D:76
Hub
Hub
Packet switching - Packet filtering - Internetwork communication - Path selection

10. Convert 192.168.10.15 to binary format.
132.210.184.166
10101100.00010000.00010100.00110111
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
11000000.10101000.00001010.00001111

11. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
Network
Transport
Transport
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

12. This device can never run full duplex.
Data Link & Physical
The Network layer creates packets out of segments handed down from the Transport layer.
48 bits (6 bytes)
Hub

13. 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
Router
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).
Network

14. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
Hub and repeater
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.
Router
Hub

15. What type of RJ45 UTP cable is used between switches?
RJ45 UTP crossover cable.
The Session layer creates sessions between different hosts' applications.
The Presentation layer makes sure that data is in a readable format for the Application layer.
RJ45 UTP rolled cable.

16. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
The Transport layer segments user data.
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.
Fiber-opticcable

17. When data is encapsulated - which is the correct order?
The Network layer provides routing through an internetwork and logical addressing.
Fiber-opticcable
Data - segment - packet - frame - bit
Packet switching - Packet filtering - Internetwork communication - Path selection

18. This device can measure the distance to a remote 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
CA:F5:83:EB
Switch to switch - host to host - switch to host
Router

19. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
Data Link
Transport
Fiber-opticcable
48 bits (6 bytes)

20. Which layer is represented by segments?
Bridge or switch
The Transport layer segments user data.
The Data Link layer is responsible for the framing of data packets.
To provide a means for the receiver to govern the amount of data sent by the sender.

21. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
198.211.57.209
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.
3 - 2 - 1 - none

22. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
132.210.184.166
Packet switching - Packet filtering - Internetwork communication - Path selection
Segments - packets - frames - bits
RJ45 UTP crossover cable.

23. What are two purposes for segmentation with a bridge?
The Transport layer segments user data.
The Physical layer is responsible for the electrical and mechanical connections between devices.
To create more collision domains and to add more bandwidth for users.
Network

24. Why does the data communication industry use the layered OSI reference model? (Name two)
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.
00001010.00001011.00001100.01100011

25. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Switch to switch - host to host - switch to host
Fiber-opticcable
3 - 2 - 1 - none
Network

26. This device creates one big collision domain and one large broadcast domain.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
RJ45 UTP rolled cable.
Hub
3 - 2 - 1 - none

27. Logical addressing is used at this layer.
Network
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
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

28. Which layer provides logical addressing that routers will use for path determination?
The Network layer provides logical addressing - typically IP addressing and routing.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
00001010.00001011.00001100.01100011
Transport

29. This device uses hardware addresses to filter a network.
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).
The Network layer creates packets out of segments handed down from the Transport layer.
Data - segment - packet - frame - bit

30. Which layer segments and reassembles data into a data stream?
Hub
Decrease the window size.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Transport

31. Segmentation of a data stream happens at which layer of the OSI model?
Transport
Data Link (LLC sublayer)
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
The Data Link layer is responsible for the framing of data packets.

32. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
Data Link (LLC sublayer)
Fiber-opticcable
132.210.184.166
Transport

33. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Transport
CA:F5:83:EB
RJ45 UTP crossover cable.

34. Which layer is represented by packets?
Hub and repeater
The Network layer creates packets out of segments handed down from the Transport layer.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
To provide a means for the receiver to govern the amount of data sent by the sender.

35. At which layer is routing implemented - enabling connections and path selection between two end systems?
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).
Decrease the window size.
Hub and repeater
The Network layer provides routing through an internetwork and logical addressing.

36. This layer creates a virtual circuit before transmitting between two end stations.
Network
Router
Layer 4
Transport

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

38. 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?
Router
CA:F5:83:EB
Hub
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

39. What is the bit length and expression form of a MAC address?
CA:F5:83:EB
204.51.170.85
Switch or bridge
48 bits (6 bytes)

40. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
Hub
D8:1B:3D:76
Fiber-opticcable
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

41. 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 logical addressing - typically IP addressing and routing.
Bridge or switch
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
RJ45 UTP rolled cable.

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

43. 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.
Data Link
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
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. What is the purpose of flow control?
To provide a means for the receiver to govern the amount of data sent by the sender.
Data Link & Physical
132.210.184.166
Data - segment - packet - frame - bit

45. This device sends and receives information about the Network layer.
Segments - packets - frames - bits
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.
Router
Layer 4

46. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
204.51.170.85
To provide a means for the receiver to govern the amount of data sent by the sender.
183/B7
The Data Link layer is responsible for the framing of data packets.

47. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
RJ45 UTP crossover cable.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Router
Network

48. 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?
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
The Data Link layer is responsible for the framing of data packets.
Decrease the window size.
RJ45 UTP rolled cable.

49. Which layer is represented by bits?
48 bits (6 bytes)
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Data Link (LLC sublayer)
The Network layer creates packets out of segments handed down from the Transport layer.

50. Which of the following are 3 common types of flow control?
The Data Link layer is responsible for the framing of data packets.
Hub and repeater
Buffering - windowing - congestion avoidance
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.