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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 creates one big collision domain and one large broadcast domain.
48 bits (6 bytes)
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Hub
The Transport layer user virtual circuits to create a reliable connection between two hosts.

2. Which layer is represented by frames?
The Data Link layer is responsible for the framing of data packets.
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 Data Link layer frames packets received from the Network layer.

3. This layer uses service access points.
The Transport layer segments user data.
Data Link & Physical
Transport
Data Link (LLC sublayer)

4. This device uses hardware addresses to filter a 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 Network layer creates packets out of segments handed down from the Transport layer.
Hub and repeater
Bridge or switch

5. Which layer provides logical addressing that routers will use for path determination?
Fiber-opticcable
The Transport layer segments user data.
The Network layer provides logical addressing - typically IP addressing and routing.
198.211.57.209

6. This device breaks up collision domains and broadcast domains.
Transport
Switch to switch - host to host - switch to host
To create more collision domains and to add more bandwidth for users.
Router

7. Name four router functions.
The Session layer sets up - maintains - and terminates sessions between applications.
Data Link
Packet switching - Packet filtering - Internetwork communication - Path selection
Switch to switch - host to host - switch to host

8. Which layer is represented by bits?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Hub
Packet switching - Packet filtering - Internetwork communication - Path selection
Transport

9. Which layer segments and reassembles data into a data stream?
The Data Link layer is responsible for the framing of data packets.
Data Link & Physical
Transport
The Network layer provides logical addressing - typically IP addressing and routing.

10. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
To create more collision domains and to add more bandwidth for users.
Fiber-opticcable
The Network layer provides logical addressing - typically IP addressing and routing.
204.51.170.85

11. 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?
Decrease the window size.
Hub
Hub and repeater
The Data Link layer frames packets received from the Network layer.

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

13. At which layer is routing implemented - enabling connections and path selection between two end systems?
84:D2:43:B3
The Network layer provides routing through an internetwork and logical addressing.
Data Link
Decrease the window size.

14. Name three types of connections that can use full duplex.
The Session layer creates sessions between different hosts' applications.
RJ45 UTP crossover cable.
Switch to switch - host to host - switch to host
Hub

15. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
The Session layer creates sessions between different hosts' applications.
3 - 2 - 1 - none
The Physical layer is responsible for the electrical and mechanical connections between devices.
RJ45 UTP rolled cable.

16. This layer supports flow control and sequencing.
Transport
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Fiber-opticcable
Hub

17. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
10101100.00010000.00010100.00110111
D8:1B:3D:76
RJ45 UTP crossover cable.
Hub

18. Which layer is responsible for creating - managing - and terminating sessions between applications?
Decrease the window size.
The Session layer sets up - maintains - and terminates sessions between applications.
To create more collision domains and to add more bandwidth for users.
Network

19. Which layer is represented by packets?
84:D2:43:B3
Transport
The Network layer creates packets out of segments handed down from the Transport layer.
The Data Link layer is responsible for the framing of data packets.

20. Ethernet is defined at these layers.
The Session layer creates sessions between different hosts' applications.
The Network layer provides logical addressing - typically IP addressing and routing.
Data Link & Physical
Fiber-opticcable

21. 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?
Segments - packets - frames - bits
48 bits (6 bytes)
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Data - segment - packet - frame - bit

22. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
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
Router
Transport
84:D2:43:B3

23. This device can measure the distance to a remote network.
Switch to switch - host to host - switch to host
Hub and repeater
Hub
Router

24. Which layer is represented by segments?
Network
Hub
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 segments user data.

25. Convert 172.16.20.55 to binary format.
Router
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
10101100.00010000.00010100.00110111
Transport

26. Logical addressing is used at this layer.
The Transport layer segments user data.
Fiber-opticcable
Network
Router

27. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
Data Link (LLC sublayer)
The Physical layer is responsible for the electrical and mechanical connections between devices.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Buffering - windowing - congestion avoidance

28. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
10101100.00010000.00010100.00110111
Data Link (LLC sublayer)
Layer 4
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

29. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
CA:F5:83:EB
11000000.10101000.00001010.00001111
Hub and repeater
Transport

30. Convert 192.168.10.15 to binary format.
11000000.10101000.00001010.00001111
Buffering - windowing - congestion avoidance
Bridge or switch
Transport

31. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
Router
The Presentation layer makes sure that data is in a readable format for the Application layer.
Packet switching - Packet filtering - Internetwork communication - Path selection
11000000.10101000.00001010.00001111

32. Segmentation of a data stream happens at which layer of the OSI model?
The Network layer creates packets out of segments handed down from the Transport layer.
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.
Fiber-opticcable

33. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
The Network layer creates packets out of segments handed down from the Transport layer.
198.211.57.209
Source and destination MAC address and FCS field
Fiber-opticcable

34. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Buffering - windowing - congestion avoidance
Switch or bridge
RJ45 UTP rolled cable.
Router

35. What are two purposes for segmentation with a bridge?
To create more collision domains and to add more bandwidth for users.
10101100.00010000.00010100.00110111
The Data Link layer frames packets received from the Network layer.
Router

36. 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 creates packets out of segments handed down from the Transport layer.
RJ45 UTP rolled cable.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
183/B7

37. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
RJ45 UTP rolled cable.
204.51.170.85
Switch or bridge
198.211.57.209

38. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
Data - segment - packet - frame - bit
132.210.184.166
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.

39. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
3 - 2 - 1 - none
10101100.00010000.00010100.00110111
Data Link & Physical
Data Link

40. 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
Fiber-opticcable
The Session layer creates sessions between different hosts' applications.
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.

41. 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.
To create more collision domains and to add more bandwidth for users.
Router
10101100.00010000.00010100.00110111

42. Which two fields are contained within an IEEE Ethernet frame header?
The Network layer creates packets out of segments handed down from the Transport 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
Source and destination MAC address and FCS field
RJ45 UTP rolled cable.

43. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
Segments - packets - frames - bits
3 - 2 - 1 - none
RJ45 UTP crossover cable.
Transport

44. This layer creates a virtual circuit before transmitting between two end stations.
Data Link & Physical
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Transport
Segments - packets - frames - bits

45. Convert 10.11.12.99 to binary format.
RJ45 UTP crossover cable.
Hub
00001010.00001011.00001100.01100011
Segments - packets - frames - bits

46. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
Network
48 bits (6 bytes)
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
84:D2:43:B3

47. Which of the following are 3 common types of flow control?
204.51.170.85
Buffering - windowing - congestion avoidance
The Presentation layer makes sure that data is in a readable format for the Application layer.
Data - segment - packet - frame - bit

48. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
Transport
84:D2:43:B3
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
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

49. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
183/B7
Router
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
132.210.184.166

50. What is the bit length and expression form of a MAC address?
48 bits (6 bytes)
Fiber-opticcable
To provide a means for the receiver to govern the amount of data sent by the sender.
Buffering - windowing - congestion avoidance