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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. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
183/B7
Switch to switch - host to host - switch to host
To create more collision domains and to add more bandwidth for users.
Hub

2. Which layer segments and reassembles data into a data stream?
The Session layer sets up - maintains - and terminates sessions between applications.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Transport
Router

3. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Network
Switch or bridge
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.
Router

4. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
The Data Link layer frames packets received from the Network layer.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
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
Hub and repeater

5. Which layer is represented by frames?
The Data Link layer is responsible for the framing of data packets.
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 Session layer creates sessions between different hosts' applications.
The Data Link layer frames packets received from the Network layer.

6. Convert 172.16.20.55 to binary format.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
10101100.00010000.00010100.00110111
The Network layer provides routing through an internetwork and logical addressing.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

7. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
Switch to switch - host to host - switch to host
To provide a means for the receiver to govern the amount of data sent by the sender.
The Presentation layer makes sure that data is in a readable format for the Application layer.
Transport

8. This device can never run full duplex.
Hub
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.
RJ45 UTP rolled cable.
84:D2:43:B3

9. What are two purposes for segmentation with a bridge?
00001010.00001011.00001100.01100011
The Session layer creates sessions between different hosts' applications.
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.

10. This device can measure the distance to a remote network.
3 - 2 - 1 - none
The Network layer provides routing through an internetwork and logical addressing.
Router
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.

11. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
Transport
The Data Link layer is responsible for the framing of data packets.
10101100.00010000.00010100.00110111
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.

12. This layer uses service access points.
Data Link (LLC sublayer)
The Session layer sets up - maintains - and terminates sessions between applications.
The Network layer provides logical addressing - typically IP addressing and routing.
To provide a means for the receiver to govern the amount of data sent by the sender.

13. 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.
Segments - packets - frames - bits
11000000.10101000.00001010.00001111
84:D2:43:B3

14. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Router
48 bits (6 bytes)
The Session layer creates sessions between different hosts' applications.
Layer 4

15. Name three types of connections that can use full duplex.
Switch to switch - host to host - switch to host
The Network layer provides logical addressing - typically IP addressing and routing.
Data Link (LLC sublayer)
Network

16. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
Hub
The Physical layer is responsible for the electrical and mechanical connections between devices.
198.211.57.209
The Network layer provides logical addressing - typically IP addressing and routing.

17. Which layer is represented by packets?
The Network layer creates packets out of segments handed down from the Transport layer.
10101100.00010000.00010100.00110111
3 - 2 - 1 - none
The Network layer provides routing through an internetwork and logical addressing.

18. This device sends and receives information about the Network layer.
The Session layer sets up - maintains - and terminates sessions between applications.
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).
Router

19. What is the purpose of flow control?
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Data Link
To provide a means for the receiver to govern the amount of data sent by the sender.
84:D2:43:B3

20. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
Network
D8:1B:3D:76
The Network layer provides routing through an internetwork and logical addressing.
The Data Link layer frames packets received from the Network layer.

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

22. Which two fields are contained within an IEEE Ethernet frame header?
84:D2:43:B3
Layer 4
Source and destination MAC address and FCS field
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.

23. 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?
The Data Link layer frames packets received from the Network layer.
Decrease the window size.
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.

24. Convert 10.11.12.99 to binary format.
RJ45 UTP crossover cable.
204.51.170.85
Data Link
00001010.00001011.00001100.01100011

25. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
RJ45 UTP rolled cable.
Data Link & Physical
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
Packet switching - Packet filtering - Internetwork communication - Path selection

26. Which layer is responsible for creating - managing - and terminating sessions between applications?
Data Link
The Network layer provides routing through an internetwork and logical addressing.
The Session layer sets up - maintains - and terminates sessions between applications.
Hub and repeater

27. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
204.51.170.85
RJ45 UTP rolled cable.
Data Link & Physical
Buffering - windowing - congestion avoidance

28. Logical addressing is used at this layer.
Data Link
CA:F5:83:EB
Network
3 - 2 - 1 - none

29. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Data - segment - packet - frame - bit
Router
198.211.57.209

30. Which of the following are 3 common types of flow control?
Buffering - windowing - congestion avoidance
Source and destination MAC address and FCS field
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.
00001010.00001011.00001100.01100011

31. This device creates one big collision domain and one large broadcast domain.
Hub
48 bits (6 bytes)
To provide a means for the receiver to govern the amount of data sent by the sender.
RJ45 UTP crossover cable.

32. 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.
RJ45 UTP crossover cable.
The Data Link layer frames packets received from the Network layer.
The Network layer provides logical addressing - typically IP addressing and routing.

33. Name four router functions.
Hub
00001010.00001011.00001100.01100011
D8:1B:3D:76
Packet switching - Packet filtering - Internetwork communication - Path selection

34. Which layer provides logical addressing that routers will use for path determination?
The Data Link layer frames packets received from the Network layer.
The Network layer provides routing through an internetwork and logical addressing.
The Network layer provides logical addressing - typically IP addressing and routing.
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.

35. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
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).
204.51.170.85
Decrease the window size.
Switch or bridge

36. 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.
The Transport layer segments user data.
The Network layer provides routing through an internetwork and logical addressing.
D8:1B:3D:76

37. Convert 192.168.10.15 to binary format.
00001010.00001011.00001100.01100011
11000000.10101000.00001010.00001111
Switch or bridge
84:D2:43:B3

38. Which layer is represented by bits?
RJ45 UTP rolled cable.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
183/B7
Hub

39. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
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.
Bridge or switch

40. At which layer is routing implemented - enabling connections and path selection between two end systems?
Switch to switch - host to host - switch to host
RJ45 UTP crossover cable.
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.

41. Segmentation of a data stream happens at which layer of the OSI model?
The Data Link layer is responsible for the framing of data packets.
Transport
Hub
Bridge or switch

42. When data is encapsulated - which is the correct order?
Layer 4
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Data - segment - packet - frame - bit
Network

43. Why does the data communication industry use the layered OSI reference model? (Name two)
Switch to switch - host to host - switch to host
Fiber-opticcable
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 logical addressing - typically IP addressing and routing.

44. This layer supports flow control and sequencing.
Buffering - windowing - congestion avoidance
Packet switching - Packet filtering - Internetwork communication - Path selection
Data Link
Transport

45. Ethernet is defined at these layers.
Transport
48 bits (6 bytes)
Bridge or switch
Data Link & Physical

46. What is the bit length and expression form of a MAC address?
Data - segment - packet - frame - bit
48 bits (6 bytes)
Router
Transport

47. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
RJ45 UTP rolled cable.
Router
Network
Data Link

48. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
Packet switching - Packet filtering - Internetwork communication - Path selection
Layer 4
Data - segment - packet - frame - bit
84:D2:43:B3

49. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
Hub
Segments - packets - frames - bits
To provide a means for the receiver to govern the amount of data sent by the sender.
Hub and repeater

50. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
132.210.184.166
Segments - packets - frames - bits
Transport
Bridge or switch