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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.
Hub
To create more collision domains and to add more bandwidth for users.
Transport
Packet switching - Packet filtering - Internetwork communication - Path selection

2. Ethernet is defined at these layers.
Data Link & Physical
Transport
Switch to switch - host to host - switch to host
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

3. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
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 the electrical and mechanical connections between devices.
RJ45 UTP crossover cable.

4. What is the purpose of flow control?
To provide a means for the receiver to govern the amount of data sent by the sender.
Hub and repeater
The Network layer provides logical addressing - typically IP addressing and routing.
10101100.00010000.00010100.00110111

5. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
The Session layer sets up - maintains - and terminates sessions between applications.
84:D2:43:B3
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 Presentation layer makes sure that data is in a readable format for the Application layer.

6. Which of the following are 3 common types of flow control?
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.
Buffering - windowing - congestion avoidance
Decrease the window size.
Transport

7. 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.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
The Data Link layer is responsible for the framing of data packets.
183/B7

8. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
198.211.57.209
The Transport layer user virtual circuits to create a reliable connection between two hosts.
3 - 2 - 1 - none
Data Link

9. Which layer segments and reassembles data into a data stream?
The Physical layer is responsible for the electrical and mechanical connections between devices.
Buffering - windowing - congestion avoidance
Transport
The Session layer creates sessions between different hosts' applications.

10. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
Hub and repeater
Router
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Data - segment - packet - frame - bit

11. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
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).
RJ45 UTP crossover cable.
Fiber-opticcable
Data Link

12. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
To provide a means for the receiver to govern the amount of data sent by the sender.
Hub and repeater
198.211.57.209
132.210.184.166

13. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
Data Link & Physical
Transport
Router
Network

14. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
132.210.184.166
The Data Link layer is responsible for the framing of data packets.
RJ45 UTP rolled cable.
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.

15. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
The Network layer provides logical addressing - typically IP addressing and routing.
Data Link
Fiber-opticcable
Segments - packets - frames - bits

16. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
Router
Data Link (LLC sublayer)
Switch or bridge
RJ45 UTP rolled cable.

17. At which layer is routing implemented - enabling connections and path selection between two end systems?
The Data Link layer frames packets received from the Network layer.
10101100.00010000.00010100.00110111
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.

18. Which two fields are contained within an IEEE Ethernet frame header?
Network
Transport
Source and destination MAC address and FCS field
48 bits (6 bytes)

19. Convert 172.16.20.55 to binary format.
RJ45 UTP rolled cable.
10101100.00010000.00010100.00110111
To create more collision domains and to add more bandwidth for users.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

20. Which layer is represented by segments?
The Network layer provides routing through an internetwork and logical addressing.
Transport
The Transport layer segments user data.
Source and destination MAC address and FCS field

21. 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
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
84:D2:43:B3
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).

22. Which layer is represented by packets?
Data Link
Hub and repeater
The Network layer creates packets out of segments handed down from the Transport layer.
Transport

23. This layer creates a virtual circuit before transmitting between two end stations.
Hub
Layer 4
The Transport layer segments user data.
Transport

24. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
Transport
The Network layer provides logical addressing - typically IP addressing and routing.
CA:F5:83:EB
Data - segment - packet - frame - bit

25. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
The Data Link layer is responsible for the framing of data packets.
Data Link (LLC sublayer)
Hub
The Physical layer is responsible for the electrical and mechanical connections between devices.

26. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Layer 4
Packet switching - Packet filtering - Internetwork communication - Path selection
Network
RJ45 UTP crossover cable.

27. Which layer is represented by frames?
Transport
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 frames packets received from the Network layer.
11000000.10101000.00001010.00001111

28. This device breaks up collision domains and broadcast domains.
00001010.00001011.00001100.01100011
Router
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.

29. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
3 - 2 - 1 - none
The Transport layer segments user data.
84:D2:43:B3
198.211.57.209

30. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
Router
Hub
D8:1B:3D:76
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).

31. Why does the data communication industry use the layered OSI reference model? (Name two)
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.
The Transport layer segments user data.

32. Logical addressing is used at this layer.
Network
The Session layer creates sessions between different hosts' applications.
Bridge or switch
Transport

33. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
84:D2:43:B3
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 Physical layer is responsible for transporting 1s and 0s in a digital signal.
Transport

34. This device can never run full duplex.
Segments - packets - frames - bits
Switch or bridge
204.51.170.85
Hub

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

36. Convert 192.168.10.15 to binary format.
11000000.10101000.00001010.00001111
The Network layer creates packets out of segments handed down from the Transport layer.
84:D2:43:B3
Transport

37. Name three types of connections that can use full duplex.
The Presentation layer makes sure that data is in a readable format for the Application layer.
11000000.10101000.00001010.00001111
Switch to switch - host to host - switch to host
Data - segment - packet - frame - bit

38. 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?
Transport
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.
Buffering - windowing - congestion avoidance

39. What is the bit length and expression form of a MAC address?
The Network layer provides routing through an internetwork and logical addressing.
Transport
48 bits (6 bytes)
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).

40. This layer uses service access points.
Data Link (LLC sublayer)
204.51.170.85
Router
Hub

41. Which layer is responsible for creating - managing - and terminating sessions between applications?
Hub
RJ45 UTP rolled cable.
Buffering - windowing - congestion avoidance
The Session layer sets up - maintains - and terminates sessions between applications.

42. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
The Network layer provides logical addressing - typically IP addressing and routing.
204.51.170.85
Transport
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

43. Which layer is represented by bits?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
CA:F5:83:EB
48 bits (6 bytes)
Decrease the window size.

44. This device can measure the distance to a remote network.
Fiber-opticcable
204.51.170.85
Router
The Physical layer is responsible for the electrical and mechanical connections between devices.

45. Segmentation of a data stream happens at which layer of the OSI model?
Fiber-opticcable
The Network layer provides logical addressing - typically IP addressing and routing.
Transport
Router

46. Name four router functions.
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.
Network
Packet switching - Packet filtering - Internetwork communication - Path selection

47. When data is encapsulated - which is the correct order?
Data - segment - packet - frame - bit
Network
Packet switching - Packet filtering - Internetwork communication - Path selection
84:D2:43:B3

48. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
Hub and repeater
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.
Segments - packets - frames - bits
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

49. This device uses hardware addresses to filter a network.
3 - 2 - 1 - none
132.210.184.166
Bridge or switch
Source and destination MAC address and FCS field

50. What type of RJ45 UTP cable is used between switches?
132.210.184.166
84:D2:43:B3
Transport
RJ45 UTP crossover cable.