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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. 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 Network layer provides routing through an internetwork and logical addressing.
The Data Link layer frames packets received from the Network layer.
The Session layer creates sessions between different hosts' applications.

2. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
84:D2:43:B3
RJ45 UTP rolled cable.
The Data Link layer frames packets received from the Network layer.

3. What type of RJ45 UTP cable is used between switches?
Router
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
RJ45 UTP crossover cable.
48 bits (6 bytes)

4. Which two fields are contained within an IEEE Ethernet frame header?
198.211.57.209
RJ45 UTP rolled cable.
Network
Source and destination MAC address and FCS field

5. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
D8:1B:3D:76
CA:F5:83:EB
Router
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).

6. This device uses hardware addresses to filter a network.
Bridge or switch
The Data Link layer frames packets received from the Network layer.
To provide a means for the receiver to govern the amount of data sent by the sender.
Hub

7. Convert 10.11.12.99 to binary format.
Switch or bridge
00001010.00001011.00001100.01100011
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Network

8. Which layer is represented by segments?
The Transport layer segments user data.
The Data Link layer is responsible for the framing of data packets.
The Data Link layer frames packets received from the Network layer.
Router

9. This device can measure the distance to a remote network.
Router
48 bits (6 bytes)
The Presentation layer makes sure that data is in a readable format for the Application 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

10. When data is encapsulated - which is the correct order?
Transport
The Session layer creates sessions between different hosts' applications.
Fiber-opticcable
Data - segment - packet - frame - bit

11. This device creates one big collision domain and one large broadcast domain.
The Session layer sets up - maintains - and terminates sessions between applications.
10101100.00010000.00010100.00110111
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Hub

12. 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?
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
198.211.57.209
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Router

13. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
Bridge or switch
Network
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.
198.211.57.209

14. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
Transport
Network
Layer 4
132.210.184.166

15. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
Transport
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 Network layer creates packets out of segments handed down from the Transport layer.
D8:1B:3D:76

16. Ethernet is defined at these layers.
Data Link & Physical
Network
Decrease the window size.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

17. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
Router
The Network layer provides logical addressing - typically IP addressing and routing.
CA:F5:83:EB
The Physical layer is responsible for the electrical and mechanical connections between devices.

18. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
132.210.184.166
D8:1B:3D:76
3 - 2 - 1 - none
Router

19. 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
To create more collision domains and to add more bandwidth for users.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
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).

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

21. Which layer is represented by bits?
Transport
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
To create more collision domains and to add more bandwidth for users.
Router

22. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Fiber-opticcable
The Data Link layer is responsible for the framing of data packets.
Data Link
To provide a means for the receiver to govern the amount of data sent by the sender.

23. Which layer is represented by packets?
The Network layer provides logical addressing - typically IP addressing and routing.
11000000.10101000.00001010.00001111
Transport
The Network layer creates packets out of segments handed down from the Transport layer.

24. This layer uses service access points.
Packet switching - Packet filtering - Internetwork communication - Path selection
CA:F5:83:EB
Data Link (LLC sublayer)
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

25. Segmentation of a data stream happens at which layer of the OSI model?
11000000.10101000.00001010.00001111
Bridge or switch
Transport
To provide a means for the receiver to govern the amount of data sent by the sender.

26. Which of the following are 3 common types of flow control?
Buffering - windowing - congestion avoidance
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Fiber-opticcable
CA:F5:83:EB

27. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
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 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.
Data Link

28. Which layer is represented by frames?
Segments - packets - frames - bits
Data Link & Physical
The Data Link layer frames packets received from the Network layer.
Router

29. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
The Session layer sets up - maintains - and terminates sessions between applications.
CA:F5:83:EB
Router
Router

30. 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?
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.
10101100.00010000.00010100.00110111
The Transport layer user virtual circuits to create a reliable connection between two hosts.
To create more collision domains and to add more bandwidth for users.

31. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
84:D2:43:B3
Network
RJ45 UTP rolled cable.
Segments - packets - frames - bits

32. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
The Session layer sets up - maintains - and terminates sessions between applications.
183/B7
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
RJ45 UTP crossover cable.

33. Convert 172.16.20.55 to binary format.
Data Link & Physical
11000000.10101000.00001010.00001111
Segments - packets - frames - bits
10101100.00010000.00010100.00110111

34. This device can never run full duplex.
Source and destination MAC address and FCS field
The Data Link layer frames packets received from the Network layer.
Hub
3 - 2 - 1 - none

35. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
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.
Transport
Data Link (LLC sublayer)

36. Which layer segments and reassembles data into a data stream?
Transport
The Physical layer is responsible for the electrical and mechanical connections between devices.
The Network layer provides logical addressing - typically IP addressing and routing.
Segments - packets - frames - bits

37. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Data Link (LLC sublayer)
Switch or bridge
Data Link
198.211.57.209

38. Name four router functions.
84:D2:43:B3
48 bits (6 bytes)
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.

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

40. What is the purpose of flow control?
3 - 2 - 1 - none
Hub
132.210.184.166
To provide a means for the receiver to govern the amount of data sent by the sender.

41. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Hub
Layer 4
Data Link
198.211.57.209

42. Why does the data communication industry use the layered OSI reference model? (Name two)
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Network
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.

43. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
Hub and repeater
The Transport layer segments user data.
Source and destination MAC address and FCS field
Network

44. Logical addressing is used at this layer.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Network
Data Link
3 - 2 - 1 - none

45. What is the bit length and expression form of a MAC address?
198.211.57.209
48 bits (6 bytes)
Transport
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

46. Which layer provides logical addressing that routers will use for path determination?
00001010.00001011.00001100.01100011
Router
The Network layer provides logical addressing - typically IP addressing and routing.
Source and destination MAC address and FCS field

47. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
The Session layer sets up - maintains - and terminates sessions between applications.
Router
Transport
198.211.57.209

48. Name three types of connections that can use full duplex.
Switch to switch - host to host - switch to host
11000000.10101000.00001010.00001111
The Network layer creates packets out of segments handed down from the Transport layer.
RJ45 UTP crossover cable.

49. Which layer is responsible for creating - managing - and terminating sessions between applications?
The Network layer creates packets out of segments handed down from the Transport layer.
The Session layer sets up - maintains - and terminates sessions between applications.
183/B7
Transport

50. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
The Presentation layer makes sure that data is in a readable format for the Application layer.
11000000.10101000.00001010.00001111
204.51.170.85
Packet switching - Packet filtering - Internetwork communication - Path selection