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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. What are two purposes for segmentation with a bridge?
To create more collision domains and to add more bandwidth for users.
00001010.00001011.00001100.01100011
Transport
Transport

2. This device breaks up collision domains and broadcast domains.
10101100.00010000.00010100.00110111
Router
204.51.170.85
Fiber-opticcable

3. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Layer 4
CA:F5:83:EB
00001010.00001011.00001100.01100011
RJ45 UTP crossover cable.

4. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
Switch to switch - host to host - switch to host
D8:1B:3D:76
132.210.184.166
The Presentation layer makes sure that data is in a readable format for the Application layer.

5. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
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 user virtual circuits to create a reliable connection between two hosts.
Transport
Segments - packets - frames - bits

6. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
To create more collision domains and to add more bandwidth for users.
00001010.00001011.00001100.01100011
204.51.170.85
The Presentation layer makes sure that data is in a readable format for the Application layer.

7. Convert 192.168.10.15 to binary format.
11000000.10101000.00001010.00001111
Packet switching - Packet filtering - Internetwork communication - Path selection
The Network layer provides logical addressing - typically IP addressing and routing.
204.51.170.85

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

9. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
The Data Link layer frames packets received from the Network layer.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
RJ45 UTP rolled cable.
183/B7

10. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
RJ45 UTP crossover cable.
The Data Link layer frames packets received from the Network layer.
Network
RJ45 UTP rolled cable.

11. Convert 10.11.12.99 to binary format.
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 is responsible for the framing of data packets.
Network
00001010.00001011.00001100.01100011

12. 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
10101100.00010000.00010100.00110111
The Physical layer is responsible for the electrical and mechanical connections between devices.
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).
3 - 2 - 1 - none

13. At which layer is routing implemented - enabling connections and path selection between two end systems?
Transport
Buffering - windowing - congestion avoidance
The Physical layer is responsible for the electrical and mechanical connections between devices.
The Network layer provides routing through an internetwork and logical addressing.

14. This device creates one big collision domain and one large broadcast domain.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Hub
Data Link
The Presentation layer makes sure that data is in a readable format for the Application layer.

15. Which layer is represented by bits?
The Network layer creates packets out of segments handed down from the Transport layer.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
The Presentation layer makes sure that data is in a readable format for the Application layer.
To provide a means for the receiver to govern the amount of data sent by the sender.

16. Convert 172.16.20.55 to binary format.
Router
10101100.00010000.00010100.00110111
Fiber-opticcable
Network

17. What is the purpose of flow control?
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
Packet switching - Packet filtering - Internetwork communication - Path selection
Transport
To provide a means for the receiver to govern the amount of data sent by the sender.

18. Name four router functions.
Network
Packet switching - Packet filtering - Internetwork communication - Path selection
Decrease the window size.
Data Link & Physical

19. Name three types of connections that can use full duplex.
The Transport layer segments user data.
Layer 4
Switch to switch - host to host - switch to host
Hub and repeater

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

21. 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?
Packet switching - Packet filtering - Internetwork communication - Path selection
Hub and repeater
Router
The Transport layer user virtual circuits to create a reliable connection between two hosts.

22. Segmentation of a data stream happens at which layer of the OSI model?
48 bits (6 bytes)
Router
Transport
The Data Link layer is responsible for the framing of data packets.

23. Which layer is represented by frames?
The Presentation layer makes sure that data is in a readable format for the Application layer.
198.211.57.209
The Data Link layer frames packets received from the Network layer.
84:D2:43:B3

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

25. This layer supports flow control and sequencing.
Hub
The Data Link layer frames packets received from the Network layer.
CA:F5:83:EB
Transport

26. Which layer is represented by packets?
Switch or bridge
Switch to switch - host to host - switch to host
The Network layer creates packets out of segments handed down from the Transport layer.
Data Link & Physical

27. When data is encapsulated - which is the correct order?
Data - segment - packet - frame - bit
3 - 2 - 1 - none
Transport
The Network layer creates packets out of segments handed down from the Transport layer.

28. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
204.51.170.85
The Data Link layer frames packets received from the Network layer.
The Data Link layer is responsible for the framing of data packets.
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).

29. What is the bit length and expression form of a MAC address?
The Session layer creates sessions between different hosts' applications.
84:D2:43:B3
Network
48 bits (6 bytes)

30. 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?
The Network layer provides routing through an internetwork and logical addressing.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
198.211.57.209
To provide a means for the receiver to govern the amount of data sent by the sender.

31. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
To provide a means for the receiver to govern the amount of data sent by the sender.
Router
The Physical layer is responsible for the electrical and mechanical connections between devices.
3 - 2 - 1 - none

32. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
48 bits (6 bytes)
Hub and repeater
The Session layer sets up - maintains - and terminates sessions between applications.
Transport

33. This device creates many smaller collision domains - but the network is still one large broadcast domain.
The Transport layer segments user data.
Switch or bridge
11000000.10101000.00001010.00001111
To provide a means for the receiver to govern the amount of data sent by the sender.

34. This layer uses service access points.
Data Link (LLC sublayer)
Transport
Data Link & Physical
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

35. What type of RJ45 UTP cable is used between switches?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Layer 4
RJ45 UTP crossover cable.
Transport

36. This device can measure the distance to a remote network.
Bridge or switch
Hub
Switch to switch - host to host - switch to host
Router

37. Logical addressing is used at this layer.
Network
Transport
Packet switching - Packet filtering - Internetwork communication - Path selection
00001010.00001011.00001100.01100011

38. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
Router
CA:F5:83:EB
132.210.184.166
Router

39. Which layer segments and reassembles data into a data stream?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Transport
Data - segment - packet - frame - bit
Hub

40. Which layer is responsible for creating - managing - and terminating sessions between applications?
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 Session layer sets up - maintains - and terminates sessions between applications.
The Presentation layer makes sure that data is in a readable format for the Application layer.

41. This device sends and receives information about the Network layer.
Network
Source and destination MAC address and FCS field
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
Router

42. 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
The Transport layer segments user data.
Transport

43. Why does the data communication industry use the layered OSI reference model? (Name two)
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.
10101100.00010000.00010100.00110111
Packet switching - Packet filtering - Internetwork communication - Path selection

44. Which two fields are contained within an IEEE Ethernet frame header?
Source and destination MAC address and FCS field
The Transport layer segments user data.
Bridge or switch
Transport

45. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
The Physical layer is responsible for the electrical and mechanical connections between devices.
Data Link & Physical
Transport
183/B7

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

47. This device can never run full duplex.
RJ45 UTP rolled cable.
Hub
Fiber-opticcable
Transport

48. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
Source and destination MAC address and FCS field
RJ45 UTP rolled cable.
Fiber-opticcable
Data - segment - packet - frame - bit

49. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
Network
Bridge or switch
Data Link & Physical
84:D2:43:B3

50. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
Segments - packets - frames - bits
11000000.10101000.00001010.00001111
Hub
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.