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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 of the following are 3 common types of flow control?
Buffering - windowing - congestion avoidance
11000000.10101000.00001010.00001111
198.211.57.209
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

2. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
RJ45 UTP rolled cable.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Network
204.51.170.85

3. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
Transport
Switch or bridge
3 - 2 - 1 - none
Network

4. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
Data Link & Physical
Hub
CA:F5:83:EB
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

5. Ethernet is defined at these layers.
The Session layer sets up - maintains - and terminates sessions between applications.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
183/B7
Data Link & Physical

6. This device breaks up collision domains and broadcast domains.
Router
To provide a means for the receiver to govern the amount of data sent by the sender.
00001010.00001011.00001100.01100011
Data - segment - packet - frame - bit

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

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

9. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Data Link
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Transport
Layer 4

10. 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?
Data Link & Physical
Decrease the window size.
The Presentation layer makes sure that data is in a readable format for the Application layer.
Fiber-opticcable

11. 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.
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).
To provide a means for the receiver to govern the amount of data sent by the sender.
Network

12. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
The Session layer sets up - maintains - and terminates sessions between applications.
Router
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.

13. Convert 192.168.10.15 to binary format.
Packet switching - Packet filtering - Internetwork communication - Path selection
Hub and repeater
Decrease the window size.
11000000.10101000.00001010.00001111

14. Which layer is responsible for creating - managing - and terminating sessions between applications?
The Session layer creates sessions between different hosts' applications.
Data - segment - packet - frame - bit
The Session layer sets up - maintains - and terminates sessions between applications.
48 bits (6 bytes)

15. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
Data Link & Physical
The Data Link layer frames packets received from the Network layer.
204.51.170.85
84:D2:43:B3

16. 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
Hub
Data - segment - packet - frame - bit
3 - 2 - 1 - none
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).

17. Name three types of connections that can use full duplex.
Transport
Router
Transport
Switch to switch - host to host - switch to host

18. Why does the data communication industry use the layered OSI reference model? (Name two)
Router
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.
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

19. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
48 bits (6 bytes)
Hub
Segments - packets - frames - bits
Hub and repeater

20. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
Fiber-opticcable
48 bits (6 bytes)
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
D8:1B:3D:76

21. Which layer segments and reassembles data into a data stream?
The Session layer creates sessions between different hosts' applications.
Packet switching - Packet filtering - Internetwork communication - Path selection
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

22. What type of RJ45 UTP cable is used between switches?
CA:F5:83:EB
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.
Transport

23. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Switch to switch - host to host - switch to host
Fiber-opticcable
Data Link (LLC sublayer)
48 bits (6 bytes)

24. Which two fields are contained within an IEEE Ethernet frame header?
The Transport layer segments user data.
The Network layer provides logical addressing - typically IP addressing and routing.
Source and destination MAC address and FCS field
11000000.10101000.00001010.00001111

25. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
The Network layer provides routing through an internetwork and logical addressing.
Network
Transport
3 - 2 - 1 - none

26. This layer supports flow control and sequencing.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
84:D2:43:B3
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Transport

27. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
10101100.00010000.00010100.00110111
Router
RJ45 UTP rolled cable.
Switch or bridge

28. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
Network
Data Link
Hub
Segments - packets - frames - bits

29. Segmentation of a data stream happens at which layer of the OSI model?
The Session layer creates sessions between different hosts' applications.
To provide a means for the receiver to govern the amount of data sent by the sender.
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

30. Name four router functions.
To provide a means for the receiver to govern the amount of data sent by the sender.
Packet switching - Packet filtering - Internetwork communication - Path selection
Bridge or switch
132.210.184.166

31. At which layer is routing implemented - enabling connections and path selection between two end systems?
Buffering - windowing - congestion avoidance
3 - 2 - 1 - none
The Network layer provides routing through an internetwork and logical addressing.
The Physical layer is responsible for the electrical and mechanical connections between devices.

32. Convert 10.11.12.99 to binary format.
Packet switching - Packet filtering - Internetwork communication - Path selection
00001010.00001011.00001100.01100011
To provide a means for the receiver to govern the amount of data sent by the sender.
Hub

33. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
00001010.00001011.00001100.01100011
198.211.57.209
RJ45 UTP crossover cable.
Network

34. Which layer is represented by packets?
Fiber-opticcable
Source and destination MAC address and FCS field
204.51.170.85
The Network layer creates packets out of segments handed down from the Transport layer.

35. This layer uses service access points.
Data Link (LLC sublayer)
The Network layer provides logical addressing - typically IP addressing and routing.
Layer 4
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

36. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
Router
Transport
The Physical layer is responsible for the electrical and mechanical connections between devices.
The Presentation layer makes sure that data is in a readable format for the Application layer.

37. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
132.210.184.166
11000000.10101000.00001010.00001111
00001010.00001011.00001100.01100011
84:D2:43:B3

38. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
Network
The Session layer sets up - maintains - and terminates sessions between applications.
Router
183/B7

39. What is the bit length and expression form of a MAC address?
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.
48 bits (6 bytes)
Router
Fiber-opticcable

40. This layer creates a virtual circuit before transmitting between two end stations.
The Transport layer segments user data.
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).
Hub
Transport

41. What are two purposes for segmentation with a bridge?
Data Link
To create more collision domains and to add more bandwidth for users.
Bridge or switch
00001010.00001011.00001100.01100011

42. Logical addressing is used at this layer.
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.
Switch or bridge
Network
To provide a means for the receiver to govern the amount of data sent by the sender.

43. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
Transport
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
The Network layer provides logical addressing - typically IP addressing and routing.

44. What is the purpose of flow control?
The Transport layer segments user data.
Hub and repeater
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).
To provide a means for the receiver to govern the amount of data sent by the sender.

45. When data is encapsulated - which is the correct order?
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.
Data - segment - packet - frame - bit
To create more collision domains and to add more bandwidth for users.

46. Which layer is represented by frames?
Source and destination MAC address and FCS field
The Data Link layer frames packets received from the Network layer.
Packet switching - Packet filtering - Internetwork communication - Path selection
Bridge or switch

47. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Data - segment - packet - frame - bit
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).
Switch or bridge
Bridge or switch

48. 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?
Hub
The Presentation layer makes sure that data is in a readable format for the Application layer.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Hub

49. This device uses hardware addresses to filter a network.
D8:1B:3D:76
00001010.00001011.00001100.01100011
183/B7
Bridge or switch

50. This device can measure the distance to a remote network.
The Session layer sets up - maintains - and terminates sessions between applications.
Router
Decrease the window size.
Switch to switch - host to host - switch to host