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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. 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
204.51.170.85
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
132.210.184.166

2. What type of RJ45 UTP cable is used between switches?
84:D2:43:B3
The Presentation layer makes sure that data is in a readable format for the Application layer.
D8:1B:3D:76
RJ45 UTP crossover cable.

3. Which layer is represented by segments?
48 bits (6 bytes)
Router
The Network layer provides logical addressing - typically IP addressing and routing.
The Transport layer segments user data.

4. Which two fields are contained within an IEEE Ethernet frame header?
48 bits (6 bytes)
Segments - packets - frames - bits
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.
Source and destination MAC address and FCS field

5. 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
00001010.00001011.00001100.01100011
The Presentation layer makes sure that data is in a readable format for the Application layer.
Data Link & Physical

6. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
84:D2:43:B3
Network
Hub
Bridge or switch

7. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
Switch or bridge
Data Link & Physical
3 - 2 - 1 - none
Data Link

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

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9. This layer creates a virtual circuit before transmitting between two end stations.
The Data Link layer is responsible for the framing of data packets.
Hub and repeater
Transport
11000000.10101000.00001010.00001111

10. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
D8:1B:3D:76
Hub
Layer 4
The Data Link layer frames packets received from the Network layer.

11. Which layer is responsible for creating - managing - and terminating sessions between applications?
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).
84:D2:43:B3
Transport

12. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
The Network layer provides routing through an internetwork and logical addressing.
The Session layer sets up - maintains - and terminates sessions between applications.
Transport
CA:F5:83:EB

13. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
Switch to switch - host to host - switch to host
Data - segment - packet - frame - bit
Data Link & Physical
84:D2:43:B3

14. Name three types of connections that can use full duplex.
Router
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
204.51.170.85
Switch to switch - host to host - switch to host

15. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
The Session layer sets up - maintains - and terminates sessions between applications.
Transport
The Data Link layer is responsible for the framing of data packets.
Bridge or switch

16. When data is encapsulated - which is the correct order?
Data - segment - packet - frame - bit
The Network layer provides routing through an internetwork and logical addressing.
Network
To provide a means for the receiver to govern the amount of data sent by the sender.

17. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
CA:F5:83:EB
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.
Packet switching - Packet filtering - Internetwork communication - Path selection
198.211.57.209

18. Convert 172.16.20.55 to binary format.
Network
CA:F5:83:EB
10101100.00010000.00010100.00110111
The Presentation layer makes sure that data is in a readable format for the Application layer.

19. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
CA:F5:83:EB
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
RJ45 UTP crossover cable.
The Transport layer segments user data.

20. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
Hub
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
10101100.00010000.00010100.00110111

21. What is the bit length and expression form of a MAC address?
Switch or bridge
Decrease the window size.
Data Link (LLC sublayer)
48 bits (6 bytes)

22. 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 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 Session layer sets up - maintains - and terminates sessions between applications.
10101100.00010000.00010100.00110111

23. Which layer is represented by bits?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Hub
204.51.170.85
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).

24. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
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

25. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
RJ45 UTP rolled cable.
The Physical layer is responsible for the electrical and mechanical connections between devices.
Buffering - windowing - congestion avoidance
132.210.184.166

26. This device sends and receives information about the Network layer.
Router
183/B7
11000000.10101000.00001010.00001111
The Data Link layer is responsible for the framing of data packets.

27. This layer uses service access points.
48 bits (6 bytes)
Data Link (LLC sublayer)
The Network layer creates packets out of segments handed down from the Transport layer.
3 - 2 - 1 - none

28. At which layer is routing implemented - enabling connections and path selection between two end systems?
Data Link (LLC sublayer)
Transport
Decrease the window size.
The Network layer provides routing through an internetwork and logical addressing.

29. Which layer is represented by packets?
The Transport layer segments user data.
Hub and repeater
198.211.57.209
The Network layer creates packets out of segments handed down from the Transport layer.

30. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
Data - segment - packet - frame - bit
Hub and repeater
Hub
204.51.170.85

31. This device breaks up collision domains and broadcast domains.
Router
Transport
Packet switching - Packet filtering - Internetwork communication - Path selection
Hub

32. 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?
The Data Link layer is responsible for the framing of data packets.
Decrease the window size.
Fiber-opticcable
Network

33. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
198.211.57.209
Buffering - windowing - congestion avoidance
D8:1B:3D:76
Bridge or switch

34. This device creates one big collision domain and one large broadcast domain.
Hub
The Presentation layer makes sure that data is in a readable format for the Application layer.
Buffering - windowing - congestion avoidance
Data Link

35. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
Router
132.210.184.166
Transport
Hub and repeater

36. This device can never run full duplex.
The Network layer provides routing through an internetwork and logical addressing.
Bridge or switch
The Physical layer is responsible for the electrical and mechanical connections between devices.
Hub

37. This layer supports flow control and sequencing.
Transport
Router
Hub
Segments - packets - frames - bits

38. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
3 - 2 - 1 - none
Layer 4
To provide a means for the receiver to govern the amount of data sent by the sender.
Data Link

39. 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
183/B7
204.51.170.85
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

40. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
To create more collision domains and to add more bandwidth for users.
The Presentation layer makes sure that data is in a readable format for the Application layer.
10101100.00010000.00010100.00110111
Source and destination MAC address and FCS field

41. Which of the following are 3 common types of flow control?
Buffering - windowing - congestion avoidance
Fiber-opticcable
Transport
48 bits (6 bytes)

42. Which layer segments and reassembles data into a data stream?
Data Link (LLC sublayer)
Segments - packets - frames - bits
Transport
To create more collision domains and to add more bandwidth for users.

43. Convert 192.168.10.15 to binary format.
The Session layer sets up - maintains - and terminates sessions between applications.
11000000.10101000.00001010.00001111
To create more collision domains and to add more bandwidth for users.
The Presentation layer makes sure that data is in a readable format for the Application layer.

44. Name four router functions.
Switch or bridge
The Network layer provides routing through an internetwork and logical addressing.
Data Link & Physical
Packet switching - Packet filtering - Internetwork communication - Path selection

45. This device can measure the distance to a remote network.
Router
To create more collision domains and to add more bandwidth for users.
The Presentation layer makes sure that data is in a readable format for the Application layer.
Transport

46. What are two purposes for segmentation with a bridge?
To create more collision domains and to add more bandwidth for users.
204.51.170.85
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.

47. Ethernet is defined at these layers.
To create more collision domains and to add more bandwidth for users.
Data Link & Physical
Network
11000000.10101000.00001010.00001111

48. This device uses hardware addresses to filter a network.
Transport
Bridge or switch
Data Link & Physical
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.

49. This device creates many smaller collision domains - but the network is still one large broadcast domain.
The Data Link layer is responsible for the framing of data packets.
Segments - packets - frames - bits
The Data Link layer frames packets received from the Network layer.
Switch or bridge

50. Which layer provides logical addressing that routers will use for path determination?
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 Network layer provides logical addressing - typically IP addressing and routing.
Data Link
To provide a means for the receiver to govern the amount of data sent by the sender.