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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. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
3 - 2 - 1 - none
RJ45 UTP crossover cable.
The Data Link layer is responsible for the framing of data packets.
132.210.184.166

2. What are two purposes for segmentation with a bridge?
00001010.00001011.00001100.01100011
11000000.10101000.00001010.00001111
Decrease the window size.
To create more collision domains and to add more bandwidth for users.

3. What type of RJ45 UTP cable is used between switches?
The Network layer provides routing through an internetwork and logical addressing.
183/B7
RJ45 UTP crossover cable.
Transport

4. What is the bit length and expression form of a MAC address?
To provide a means for the receiver to govern the amount of data sent by the sender.
48 bits (6 bytes)
Switch or bridge
Transport

5. This layer creates a virtual circuit before transmitting between two end stations.
The Transport layer segments user data.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Transport
Switch to switch - host to host - switch to host

6. This device can never run full duplex.
Source and destination MAC address and FCS field
Decrease the window size.
Hub
Hub and repeater

7. At which layer is routing implemented - enabling connections and path selection between two end systems?
The Transport layer segments user data.
The Network layer provides logical addressing - typically IP addressing and routing.
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 routing through an internetwork and logical addressing.

8. Which layer is responsible for creating - managing - and terminating sessions between applications?
00001010.00001011.00001100.01100011
Buffering - windowing - congestion avoidance
The Session layer sets up - maintains - and terminates sessions between applications.
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.

9. Which layer is represented by segments?
3 - 2 - 1 - none
The Transport layer segments user data.
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.
Decrease the window size.

10. This layer supports flow control and sequencing.
D8:1B:3D:76
RJ45 UTP crossover cable.
Transport
84:D2:43:B3

11. 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 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.
RJ45 UTP rolled cable.
Hub

12. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
183/B7
Transport
The Transport layer segments user data.
Data - segment - packet - frame - bit

13. This device sends and receives information about the Network layer.
Data Link & Physical
Router
Network
Network

14. 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
Transport
Transport
Switch to switch - host to host - switch to host

15. Name three types of connections that can use full duplex.
Source and destination MAC address and FCS field
Switch to switch - host to host - switch to host
Bridge or switch
The Data Link layer frames packets received from the Network layer.

16. This device can measure the distance to a remote network.
Router
Segments - packets - frames - bits
The Physical layer is responsible for the electrical and mechanical connections between devices.
84:D2:43:B3

17. 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?
84:D2:43:B3
00001010.00001011.00001100.01100011
Decrease the window size.
The Transport layer user virtual circuits to create a reliable connection between two hosts.

18. Which layer segments and reassembles data into a data stream?
Network
Transport
The Network layer provides logical addressing - typically IP addressing and routing.
The Network layer provides routing through an internetwork and logical addressing.

19. 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
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).
10101100.00010000.00010100.00110111
3 - 2 - 1 - none

20. 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?
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.
Decrease the window size.
Source and destination MAC address and FCS field
204.51.170.85

21. Convert 192.168.10.15 to binary format.
Switch or bridge
Data Link
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
11000000.10101000.00001010.00001111

22. This device uses hardware addresses to filter a network.
The Data Link layer frames packets received from the Network layer.
Data Link
Bridge or switch
The Data Link layer is responsible for the framing of data packets.

23. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
The Physical layer is responsible for the electrical and mechanical connections between devices.
D8:1B:3D:76
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.

24. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
132.210.184.166
84:D2:43:B3
Hub
00001010.00001011.00001100.01100011

25. This device creates one big collision domain and one large broadcast domain.
Packet switching - Packet filtering - Internetwork communication - Path selection
Hub
The Session layer creates sessions between different hosts' applications.
The Network layer provides routing through an internetwork and logical addressing.

26. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Hub
Fiber-opticcable
Transport
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

27. 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.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
The Data Link layer is responsible for the framing of data packets.

28. When data is encapsulated - which is the correct order?
Data - segment - packet - frame - bit
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
84:D2:43:B3
Switch or bridge

29. Which two fields are contained within an IEEE Ethernet frame header?
Source and destination MAC address and FCS field
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Hub
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

30. Which layer is represented by bits?
The Network layer creates packets out of segments handed down from the Transport layer.
Router
Segments - packets - frames - bits
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

31. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
00001010.00001011.00001100.01100011
Fiber-opticcable
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.

32. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
To provide a means for the receiver to govern the amount of data sent by the sender.
Network
Fiber-opticcable
Data Link

33. Convert 10.11.12.99 to binary format.
198.211.57.209
Switch to switch - host to host - switch to host
183/B7
00001010.00001011.00001100.01100011

34. Convert 11000110.11010011.00111001.11010001 to decimal IP 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.
Fiber-opticcable
The Session layer sets up - maintains - and terminates sessions between applications.
198.211.57.209

35. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
CA:F5:83:EB
Network
Segments - packets - frames - bits
Packet switching - Packet filtering - Internetwork communication - Path selection

36. 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.
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.
00001010.00001011.00001100.01100011
The Session layer creates sessions between different hosts' applications.

37. Which layer is represented by frames?
Network
Router
The Data Link layer frames packets received from the Network layer.
11000000.10101000.00001010.00001111

38. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
Buffering - windowing - congestion avoidance
The Network layer provides routing through an internetwork and logical addressing.
Data Link (LLC sublayer)
The Data Link layer is responsible for the framing of data packets.

39. Segmentation of a data stream happens at which layer of the OSI model?
3 - 2 - 1 - none
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
CA:F5:83:EB
Transport

40. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Router
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Data Link

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.
198.211.57.209
The Network layer creates packets out of segments handed down from the Transport layer.

42. This layer uses service access points.
3 - 2 - 1 - none
Data Link (LLC sublayer)
11000000.10101000.00001010.00001111
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

43. This device breaks up collision domains and broadcast domains.
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
The Network layer provides logical addressing - typically IP addressing and routing.
00001010.00001011.00001100.01100011

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

45. Convert 172.16.20.55 to binary format.
10101100.00010000.00010100.00110111
The Data Link layer frames packets received from the Network layer.
Data Link
Layer 4

46. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
84:D2:43:B3
CA:F5:83:EB
Hub
204.51.170.85

47. Which of the following are 3 common types of flow control?
Data - segment - packet - frame - bit
Buffering - windowing - congestion avoidance
Transport
Router

48. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
Data - segment - packet - frame - bit
CA:F5:83:EB
Network
Hub and repeater

49. Name four router functions.
Router
Router
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Packet switching - Packet filtering - Internetwork communication - Path selection

50. Which layer is represented by packets?
The Network layer creates packets out of segments handed down from the Transport 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).
Transport
The Presentation layer makes sure that data is in a readable format for the Application layer.