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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. 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?
Switch or bridge
The Network layer provides routing through an internetwork and logical addressing.
198.211.57.209
Decrease the window size.

2. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
11000000.10101000.00001010.00001111
Switch to switch - host to host - switch to host
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).
Network

3. 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 Physical layer is responsible for transporting 1s and 0s in a digital signal.
Hub
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Network

4. Which layer segments and reassembles data into a data stream?
Transport
Fiber-opticcable
Router
The Transport layer user virtual circuits to create a reliable connection between two hosts.

5. Which layer provides logical addressing that routers will use for path determination?
The Network layer provides logical addressing - typically IP addressing and routing.
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
The Session layer creates sessions between different hosts' applications.

6. Segmentation of a data stream happens at which layer of the OSI model?
D8:1B:3D:76
Transport
Router
Data Link (LLC sublayer)

7. 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
The Transport layer segments user data.
Transport

8. 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
48 bits (6 bytes)
132.210.184.166
D8:1B:3D:76

9. Convert 192.168.10.15 to binary format.
198.211.57.209
Bridge or switch
11000000.10101000.00001010.00001111
Switch to switch - host to host - switch to host

10. At which layer is routing implemented - enabling connections and path selection between two end systems?
The Network layer creates packets out of segments handed down from the Transport layer.
Network
Switch to switch - host to host - switch to host
The Network layer provides routing through an internetwork and logical addressing.

11. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Fiber-opticcable
Data Link & Physical
Switch or bridge
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

12. When data is encapsulated - which is the correct order?
Fiber-opticcable
The Presentation layer makes sure that data is in a readable format for the Application layer.
Data - segment - packet - frame - bit
Transport

13. Which of the following are 3 common types of flow control?
204.51.170.85
Transport
Hub
Buffering - windowing - congestion avoidance

14. This layer supports flow control and sequencing.
Network
Transport
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

15. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
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 Presentation layer makes sure that data is in a readable format for the Application layer.
204.51.170.85
The Physical layer is responsible for the electrical and mechanical connections between devices.

16. What type of RJ45 UTP cable is used between switches?
48 bits (6 bytes)
RJ45 UTP crossover cable.
10101100.00010000.00010100.00110111
Network

17. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
Decrease the window size.
Hub and repeater
Data Link
Transport

18. 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.
Bridge or switch
To provide a means for the receiver to govern the amount of data sent by the sender.
Fiber-opticcable

19. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Hub
198.211.57.209
Fiber-opticcable

20. This device sends and receives information about the Network layer.
Router
The Data Link layer frames packets received from the Network 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 Transport layer segments user data.

21. Which layer is represented by segments?
Data Link (LLC sublayer)
183/B7
The Transport layer segments user data.
3 - 2 - 1 - none

22. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
The Network layer provides routing through an internetwork and logical addressing.
84:D2:43:B3
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

23. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
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
Source and destination MAC address and FCS field
The Physical layer is responsible for the electrical and mechanical connections between devices.

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

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25. This device uses hardware addresses to filter a network.
The Data Link layer frames packets received from the Network layer.
Hub
Segments - packets - frames - bits
Bridge or switch

26. What are two purposes for segmentation with a bridge?
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.
Transport
Data Link (LLC sublayer)

27. 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 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).
Network
Router
3 - 2 - 1 - none

28. Which two fields are contained within an IEEE Ethernet frame header?
204.51.170.85
Data Link (LLC sublayer)
Transport
Source and destination MAC address and FCS field

29. This device can measure the distance to a remote network.
Data Link (LLC sublayer)
Router
The Physical layer is responsible for the electrical and mechanical connections between devices.
48 bits (6 bytes)

30. Name three types of connections that can use full duplex.
Switch to switch - host to host - switch to host
132.210.184.166
The Session layer sets up - maintains - and terminates sessions between applications.
RJ45 UTP crossover cable.

31. Which layer is represented by bits?
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.
The Session layer sets up - maintains - and terminates sessions between applications.
00001010.00001011.00001100.01100011

32. What is the bit length and expression form of a MAC address?
48 bits (6 bytes)
Hub
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.

33. Convert 10.11.12.99 to binary format.
00001010.00001011.00001100.01100011
Segments - packets - frames - bits
Packet switching - Packet filtering - Internetwork communication - Path selection
The Session layer sets up - maintains - and terminates sessions between applications.

34. This device creates one big collision domain and one large broadcast domain.
Router
Transport
Hub
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).

35. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
Fiber-opticcable
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
183/B7
Source and destination MAC address and FCS field

36. This device breaks up collision domains and broadcast domains.
Router
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.
84:D2:43:B3
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.

37. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
48 bits (6 bytes)
204.51.170.85
00001010.00001011.00001100.01100011
The Network layer provides logical addressing - typically IP addressing and routing.

38. Logical addressing is used at this layer.
The Physical layer is responsible for the electrical and mechanical connections between devices.
RJ45 UTP crossover cable.
Network
00001010.00001011.00001100.01100011

39. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Data - segment - packet - frame - bit
The Session layer sets up - maintains - and terminates sessions between applications.
D8:1B:3D:76

40. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
Switch or bridge
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Router
3 - 2 - 1 - none

41. Name four router functions.
The Network layer provides logical addressing - typically IP addressing and routing.
48 bits (6 bytes)
Packet switching - Packet filtering - Internetwork communication - Path selection
Router

42. This layer uses service access points.
The Presentation layer makes sure that data is in a readable format for the Application layer.
Data Link (LLC sublayer)
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).

43. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
Hub
Hub and repeater
To create more collision domains and to add more bandwidth for users.
204.51.170.85

44. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
Switch to switch - host to host - switch to host
132.210.184.166
Switch or bridge
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

45. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
Segments - packets - frames - bits
Network
Decrease the window size.
Hub

46. What is the purpose of flow control?
Transport
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.
To provide a means for the receiver to govern the amount of data sent by the sender.
Router

47. 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
The Data Link layer frames packets received from the Network layer.
Layer 4

48. 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 crossover cable.
Buffering - windowing - congestion avoidance
RJ45 UTP rolled cable.
D8:1B:3D:76

49. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
Router
CA:F5:83:EB
Packet switching - Packet filtering - Internetwork communication - Path selection
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

50. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
10101100.00010000.00010100.00110111
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
The Data Link layer frames packets received from the Network layer.
Data Link & Physical