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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. Logical addressing is used at this layer.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
RJ45 UTP rolled cable.
132.210.184.166
Network

2. 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.
The Network layer provides routing through an internetwork and logical addressing.
Network
132.210.184.166

3. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
Data - segment - packet - frame - bit
RJ45 UTP crossover cable.
Segments - packets - frames - bits
Router

4. What is the bit length and expression form of a MAC address?
48 bits (6 bytes)
To create more collision domains and to add more bandwidth for users.
The Session layer sets up - maintains - and terminates sessions between applications.
Packet switching - Packet filtering - Internetwork communication - Path selection

5. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
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
10101100.00010000.00010100.00110111
Hub and repeater
The Data Link layer is responsible for the framing of data packets.

6. Name three types of connections that can use full duplex.
The Data Link layer frames packets received from the Network layer.
Switch to switch - host to host - switch to host
The Network layer creates packets out of segments handed down from the Transport layer.
To create more collision domains and to add more bandwidth for users.

7. Which layer is represented by bits?
3 - 2 - 1 - none
To create more collision domains and to add more bandwidth for users.
Decrease the window size.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

8. Why does the data communication industry use the layered OSI reference model? (Name two)
The Presentation layer makes sure that data is in a readable format for the Application 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.
Router
To provide a means for the receiver to govern the amount of data sent by the sender.

9. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
Router
204.51.170.85
Hub and repeater
The Network layer creates packets out of segments handed down from the Transport layer.

10. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
Layer 4
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.
132.210.184.166

11. This layer uses service access points.
Data Link (LLC sublayer)
Buffering - windowing - congestion avoidance
Router
Router

12. Convert 172.16.20.55 to binary format.
48 bits (6 bytes)
3 - 2 - 1 - none
Packet switching - Packet filtering - Internetwork communication - Path selection
10101100.00010000.00010100.00110111

13. This device can never run full duplex.
Hub
The Data Link layer frames packets received from the Network layer.
The Session layer sets up - maintains - and terminates sessions between applications.
11000000.10101000.00001010.00001111

14. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Network
The Session layer sets up - maintains - and terminates sessions between applications.
3 - 2 - 1 - none
Switch or bridge

15. Ethernet is defined at these layers.
Data Link & Physical
The Data Link layer is responsible for the framing of data packets.
Hub
Router

16. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
Network
Data - segment - packet - frame - bit
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
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

17. Which layer provides the physical transmission of the data and handles error notification - network topology - 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.
Data Link
Data Link (LLC sublayer)
Buffering - windowing - congestion avoidance

18. This layer supports flow control and sequencing.
The Presentation layer makes sure that data is in a readable format for the Application layer.
Transport
Bridge or switch
204.51.170.85

19. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
The Transport layer segments user data.
Data Link (LLC sublayer)
Fiber-opticcable
00001010.00001011.00001100.01100011

20. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
D8:1B:3D:76
Data Link
Router
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

21. Which layer is responsible for creating - managing - and terminating sessions between applications?
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
The Session layer sets up - maintains - and terminates sessions between applications.
Data Link (LLC sublayer)
Decrease the window size.

22. Which layer is represented by frames?
The Data Link layer frames packets received from the Network layer.
00001010.00001011.00001100.01100011
Buffering - windowing - congestion avoidance
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).

23. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
132.210.184.166
Transport
The Network layer creates packets out of segments handed down from the Transport layer.
84:D2:43:B3

24. This device uses hardware addresses to filter a network.
84:D2:43:B3
Bridge or switch
The Transport layer segments user data.
RJ45 UTP rolled cable.

25. Which layer provides logical addressing that routers will use for path determination?
Data Link & Physical
The Presentation layer makes sure that data is in a readable format for the Application layer.
The Network layer provides logical addressing - typically IP addressing and routing.
The Network layer provides routing through an internetwork and logical addressing.

26. This device sends and receives information about the Network layer.
The Session layer sets up - maintains - and terminates sessions between applications.
48 bits (6 bytes)
RJ45 UTP crossover cable.
Router

27. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
CA:F5:83:EB
Hub
84:D2:43:B3
The Network layer provides routing through an internetwork and logical addressing.

28. This device breaks up collision domains and broadcast domains.
Router
Segments - packets - frames - bits
3 - 2 - 1 - none
204.51.170.85

29. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
10101100.00010000.00010100.00110111
Transport
183/B7
The Network layer provides routing through an internetwork and logical addressing.

30. Name four router functions.
Packet switching - Packet filtering - Internetwork communication - Path selection
D8:1B:3D:76
Network
The Transport layer user virtual circuits to create a reliable connection between two hosts.

31. Convert 192.168.10.15 to binary format.
Switch or bridge
48 bits (6 bytes)
11000000.10101000.00001010.00001111
10101100.00010000.00010100.00110111

32. Segmentation of a data stream happens at which layer of the OSI model?
Transport
Data Link & Physical
Network
The Network layer creates packets out of segments handed down from the Transport layer.

33. Convert 10.11.12.99 to binary format.
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.
00001010.00001011.00001100.01100011

34. 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
The Data Link layer frames packets received from the Network layer.
The Session layer sets up - maintains - and terminates sessions between 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).
Transport

35. Which two fields are contained within an IEEE Ethernet frame header?
3 - 2 - 1 - none
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Source and destination MAC address and FCS field
Data Link & Physical

36. Which layer is represented by packets?
Data Link & Physical
The Network layer creates packets out of segments handed down from the Transport layer.
Hub
Transport

37. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Network
Router

38. What are two purposes for segmentation with a bridge?
Data Link (LLC sublayer)
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
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
To create more collision domains and to add more bandwidth for users.

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

40. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
Hub
To provide a means for the receiver to govern the amount of data sent by the sender.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

41. 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 Presentation layer makes sure that data is in a readable format for the Application layer.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
CA:F5:83:EB
To create more collision domains and to add more bandwidth for users.

42. This device creates one big collision domain and one large broadcast domain.
CA:F5:83:EB
Data - segment - packet - frame - bit
Hub and repeater
Hub

43. 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.
The Network layer provides logical addressing - typically IP addressing and routing.
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.

44. Which layer segments and reassembles data into a data stream?
Data Link & Physical
Transport
Data Link (LLC sublayer)
The Network layer provides logical addressing - typically IP addressing and routing.

45. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
CA:F5:83:EB
Packet switching - Packet filtering - Internetwork communication - Path selection
Layer 4
The Data Link layer frames packets received from the Network layer.

46. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
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 Presentation layer makes sure that data is in a readable format for the Application layer.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
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. When data is encapsulated - which is the correct order?
The Network layer provides routing through an internetwork and logical addressing.
Transport
Hub and repeater
Data - segment - packet - frame - bit

48. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Network
The Session layer sets up - maintains - and terminates sessions between applications.
Layer 4
Data - segment - packet - frame - bit

49. This device can measure the distance to a remote network.
Data Link
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
3 - 2 - 1 - none
Router

50. At which layer is routing implemented - enabling connections and path selection between two end systems?
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.
Transport
The Network layer provides routing through an internetwork and logical addressing.
Router