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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. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
Transport
Bridge or switch
D8:1B:3D:76
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

2. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
204.51.170.85
The Session layer creates sessions between different hosts' applications.
Transport
To provide a means for the receiver to govern the amount of data sent by the sender.

3. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
10101100.00010000.00010100.00110111
Segments - packets - frames - bits
The Network layer provides logical addressing - typically IP addressing and routing.
Data Link (LLC sublayer)

4. Which layer segments and reassembles data into a data stream?
The Session layer creates sessions between different hosts' applications.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Transport
Network

5. When data is encapsulated - which is the correct order?
Network
Decrease the window size.
11000000.10101000.00001010.00001111
Data - segment - packet - frame - bit

6. Which layer is represented by bits?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Router
CA:F5:83:EB
The Session layer sets up - maintains - and terminates sessions between applications.

7. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
The Network layer creates packets out of segments handed down from the Transport layer.
RJ45 UTP crossover cable.
Data Link
The Data Link layer is responsible for the framing of data packets.

8. This device creates many smaller collision domains - but the network is still one large broadcast domain.
3 - 2 - 1 - none
Source and destination MAC address and FCS field
Switch or bridge
The Network layer provides routing through an internetwork and logical addressing.

9. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
The Presentation layer makes sure that data is in a readable format for the Application layer.
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.
Switch or bridge

10. This device uses hardware addresses to filter a network.
The Data Link layer is responsible for the framing of data packets.
The Session layer sets up - maintains - and terminates sessions between applications.
Bridge or switch
The Transport layer user virtual circuits to create a reliable connection between two hosts.

11. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
3 - 2 - 1 - none
Hub
RJ45 UTP crossover cable.
Fiber-opticcable

12. At which layer is routing implemented - enabling connections and path selection between two end systems?
D8:1B:3D:76
Data - segment - packet - frame - bit
The Network layer provides routing through an internetwork and logical addressing.
Transport

13. Which layer is represented by frames?
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
Segments - packets - frames - bits
The Data Link layer frames packets received from the Network layer.
3 - 2 - 1 - none

14. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
3 - 2 - 1 - none
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
D8:1B:3D:76
Hub

15. What are two purposes for segmentation with a bridge?
10101100.00010000.00010100.00110111
Switch to switch - host to host - switch to host
Buffering - windowing - congestion avoidance
To create more collision domains and to add more bandwidth for users.

16. 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?
The Data Link layer frames packets received from the Network layer.
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.

17. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
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).
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.

18. What is the bit length and expression form of a MAC address?
Transport
Router
Switch to switch - host to host - switch to host
48 bits (6 bytes)

19. This device creates one big collision domain and one large broadcast domain.
00001010.00001011.00001100.01100011
48 bits (6 bytes)
CA:F5:83:EB
Hub

20. This device sends and receives information about the Network layer.
Transport
Router
The Network layer provides routing through an internetwork and logical addressing.
The Session layer sets up - maintains - and terminates sessions between applications.

21. 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
D8:1B:3D:76
RJ45 UTP crossover cable.

22. Which of the following are 3 common types of flow control?
Buffering - windowing - congestion avoidance
Router
Router
00001010.00001011.00001100.01100011

23. 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
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).
To provide a means for the receiver to govern the amount of data sent by the sender.
The Physical layer is responsible for the electrical and mechanical connections between devices.

24. Logical addressing is used at this layer.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
The Network layer provides logical addressing - typically IP addressing and routing.
Network
Router

25. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
The Physical layer is responsible for the electrical and mechanical connections between devices.
Router
Data Link (LLC sublayer)
Transport

26. Convert 192.168.10.15 to binary format.
Layer 4
CA:F5:83:EB
The Network layer provides logical addressing - typically IP addressing and routing.
11000000.10101000.00001010.00001111

27. Name three types of connections that can use full duplex.
The Session layer sets up - maintains - and terminates sessions between applications.
Switch to switch - host to host - switch to host
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Data Link & Physical

28. Ethernet is defined at these layers.
The Data Link layer frames packets received from the Network layer.
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
Source and destination MAC address and FCS field

29. Which layer is represented by packets?
The Network layer provides routing through an internetwork and logical addressing.
The Network layer creates packets out of segments handed down from the Transport layer.
Decrease the window size.
RJ45 UTP crossover cable.

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?
CA:F5:83:EB
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Router
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

31. This layer creates a virtual circuit before transmitting between two end stations.
Transport
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
To provide a means for the receiver to govern the amount of data sent by the sender.
The Session layer creates sessions between different hosts' applications.

32. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
RJ45 UTP rolled cable.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Switch to switch - host to host - switch to host
Bridge or switch

33. Which layer is responsible for creating - managing - and terminating sessions between applications?
204.51.170.85
The Session layer sets up - maintains - and terminates sessions between applications.
To provide a means for the receiver to govern the amount of data sent by the sender.
Source and destination MAC address and FCS field

34. What type of RJ45 UTP cable is used between switches?
204.51.170.85
RJ45 UTP rolled cable.
183/B7
RJ45 UTP crossover cable.

35. Which layer provides logical addressing that routers will use for path determination?
Transport
The Network layer provides logical addressing - typically IP addressing and routing.
D8:1B:3D:76
The Session layer sets up - maintains - and terminates sessions between applications.

36. Convert 172.16.20.55 to binary format.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
10101100.00010000.00010100.00110111
Packet switching - Packet filtering - Internetwork communication - Path selection
Transport

37. This layer supports flow control and sequencing.
The Physical layer is responsible for the electrical and mechanical connections between devices.
Transport
Decrease the window size.
Hub and repeater

38. Name four router functions.
Data Link & Physical
Packet switching - Packet filtering - Internetwork communication - Path selection
The Physical layer is responsible for the electrical and mechanical connections between devices.
Switch or bridge

39. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
RJ45 UTP rolled cable.
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.
Data Link

40. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
Hub and repeater
84:D2:43:B3
00001010.00001011.00001100.01100011
204.51.170.85

41. Why does the data communication industry use the layered OSI reference model? (Name two)
10101100.00010000.00010100.00110111
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.
Buffering - windowing - congestion avoidance
Router

42. This layer uses service access points.
Data Link (LLC sublayer)
Data Link & Physical
Router
Data - segment - packet - frame - bit

43. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
To create more collision domains and to add more bandwidth for users.
Layer 4
Buffering - windowing - congestion avoidance
Data Link

44. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
CA:F5:83:EB
Transport
Buffering - windowing - congestion avoidance
Data Link (LLC sublayer)

45. Convert 10.11.12.99 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.
Data - segment - packet - frame - bit
3 - 2 - 1 - none
00001010.00001011.00001100.01100011

46. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
84:D2:43:B3
Hub and repeater
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.

47. This device breaks up collision domains and broadcast domains.
The Data Link layer frames packets received from the Network layer.
Switch or bridge
Hub and repeater
Router

48. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
The Presentation layer makes sure that data is in a readable format for the Application layer.
Switch or bridge
Network
Hub

49. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
The Data Link layer is responsible for the framing of data packets.
198.211.57.209
RJ45 UTP crossover cable.
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

50. This device can never run full duplex.
Hub
The Physical layer is responsible for the electrical and mechanical connections between devices.
Layer 4
Switch or bridge