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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. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
Segments - packets - frames - bits
11000000.10101000.00001010.00001111
Data Link (LLC sublayer)
To create more collision domains and to add more bandwidth for users.

2. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Bridge or switch
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.
Fiber-opticcable

3. 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
11000000.10101000.00001010.00001111
Hub
Packet switching - Packet filtering - Internetwork communication - Path selection

4. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
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.
Network
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
132.210.184.166

5. What is the purpose of flow control?
Transport
Buffering - windowing - congestion avoidance
To provide a means for the receiver to govern the amount of data sent by the sender.
Transport

6. This layer supports flow control and sequencing.
Transport
3 - 2 - 1 - none
Hub and repeater
The Transport layer user virtual circuits to create a reliable connection between two hosts.

7. Which two fields are contained within an IEEE Ethernet frame header?
To create more collision domains and to add more bandwidth for users.
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.
204.51.170.85

8. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
The Physical layer is responsible for the electrical and mechanical connections between devices.
Switch or bridge
D8:1B:3D:76
198.211.57.209

9. 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.
Source and destination MAC address and FCS field
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Switch or bridge

10. This device sends and receives information about the Network layer.
Layer 4
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.
Data Link

11. What type of RJ45 UTP cable is used between switches?
183/B7
RJ45 UTP crossover cable.
204.51.170.85
The Network layer provides logical addressing - typically IP addressing and routing.

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

13. Convert 192.168.10.15 to binary format.
11000000.10101000.00001010.00001111
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.
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.
Hub

14. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
Transport
The Network layer provides logical addressing - typically IP addressing and routing.
The Presentation layer makes sure that data is in a readable format for the Application layer.
84:D2:43:B3

15. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
RJ45 UTP crossover cable.
204.51.170.85
Router
Switch or bridge

16. What are two purposes for segmentation with a bridge?
Switch to switch - host to host - switch to host
198.211.57.209
Transport
To create more collision domains and to add more bandwidth for users.

17. 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 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.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Router
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).

18. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
To provide a means for the receiver to govern the amount of data sent by the sender.
CA:F5:83:EB
The Physical layer is responsible for the electrical and mechanical connections between devices.
The Network layer provides logical addressing - typically IP addressing and routing.

19. Which layer segments and reassembles data into a data stream?
132.210.184.166
Transport
Data Link & Physical
Hub

20. 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.
204.51.170.85
Fiber-opticcable
To provide a means for the receiver to govern the amount of data sent by the sender.

21. Name three types of connections that can use full duplex.
Switch to switch - host to host - switch to host
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.
Segments - packets - frames - bits
The Network layer provides routing through an internetwork and logical addressing.

22. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Switch or bridge
00001010.00001011.00001100.01100011
Hub
RJ45 UTP rolled cable.

23. 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.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Hub
CA:F5:83:EB

24. This device creates one big collision domain and one large broadcast domain.
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.
Switch or bridge
Hub

25. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Hub and repeater
204.51.170.85
132.210.184.166

26. 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 Transport layer user virtual circuits to create a reliable connection between two hosts.
204.51.170.85
Router

27. Acknowledgments - sequencing - and flow control are characteristics of which OSI 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.
The Physical layer is responsible for the electrical and mechanical connections between devices.
198.211.57.209
Layer 4

28. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
Data - segment - packet - frame - bit
Buffering - windowing - congestion avoidance
132.210.184.166
The Data Link layer frames packets received from the Network layer.

29. Which layer provides logical addressing that routers will use for path determination?
The Transport layer segments user data.
3 - 2 - 1 - none
Switch or bridge
The Network layer provides logical addressing - typically IP addressing and routing.

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

31. What is the bit length and expression form of a MAC address?
The Data Link layer is responsible for the framing of data packets.
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.
Hub and repeater
48 bits (6 bytes)

32. This device breaks up collision domains and broadcast domains.
Bridge or switch
Layer 4
3 - 2 - 1 - none
Router

33. Which layer is represented by packets?
The Transport layer segments user data.
The Network layer creates packets out of segments handed down from the Transport layer.
Data - segment - packet - frame - bit
The Network layer provides logical addressing - typically IP addressing and routing.

34. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
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 creates packets out of segments handed down from the Transport layer.
Layer 4
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. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
The Data Link layer is responsible for the framing of data packets.
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.
Fiber-opticcable

36. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
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 Session layer sets up - maintains - and terminates sessions between applications.
Data Link (LLC sublayer)
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

37. 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?
To create more collision domains and to add more bandwidth for users.
Hub and repeater
The Transport layer user virtual circuits to create a reliable connection between two hosts.
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

38. Convert 10.11.12.99 to binary format.
00001010.00001011.00001100.01100011
Transport
RJ45 UTP crossover cable.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

39. At which layer is routing implemented - enabling connections and path selection between two end systems?
Hub and repeater
The Transport layer segments user data.
10101100.00010000.00010100.00110111
The Network layer provides routing through an internetwork and logical addressing.

40. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Transport
Data Link & Physical
Data Link

41. Segmentation of a data stream happens at which layer of the OSI model?
Router
Fiber-opticcable
132.210.184.166
Transport

42. This device can measure the distance to a remote network.
Segments - packets - frames - bits
The Transport layer segments user data.
Router
The Network layer provides logical addressing - typically IP addressing and routing.

43. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
Hub
198.211.57.209
The Network layer provides logical addressing - typically IP addressing and routing.
The Data Link layer frames packets received from the Network layer.

44. This layer creates a virtual circuit before transmitting between two end stations.
Transport
Switch to switch - host to host - switch to host
Source and destination MAC address and FCS field
Hub

45. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
The Physical layer is responsible for the electrical and mechanical connections between devices.
48 bits (6 bytes)
3 - 2 - 1 - none
84:D2:43:B3

46. This device can never run full duplex.
48 bits (6 bytes)
Hub
To create more collision domains and to add more bandwidth for users.
Packet switching - Packet filtering - Internetwork communication - Path selection

47. Which layer is responsible for creating - managing - and terminating sessions between applications?
The Session layer creates sessions between different hosts' applications.
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.
The Network layer creates packets out of segments handed down from the Transport layer.

48. This layer uses service access points.
Data Link (LLC sublayer)
Layer 4
84:D2:43:B3
132.210.184.166

49. When data is encapsulated - which is the correct order?
Transport
Decrease the window size.
Data - segment - packet - frame - bit
10101100.00010000.00010100.00110111

50. Logical addressing is used at this layer.
198.211.57.209
Buffering - windowing - congestion avoidance
Network
Data Link & Physical