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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 is represented by segments?
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).
132.210.184.166
The Transport layer segments user data.
Router

2. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Packet switching - Packet filtering - Internetwork communication - Path selection
Fiber-opticcable
Network
The Presentation layer makes sure that data is in a readable format for the Application layer.

3. When data is encapsulated - which is the correct order?
10101100.00010000.00010100.00110111
Data - segment - packet - frame - bit
Network
The Session layer sets up - maintains - and terminates sessions between applications.

4. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
183/B7
84:D2:43:B3
Switch or bridge
RJ45 UTP crossover cable.

5. Why does the data communication industry use the layered OSI reference model? (Name two)
The Transport layer segments user data.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Layer 4
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.

6. 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 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).
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Router

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

8. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
84:D2:43:B3
The Network layer provides routing through an internetwork and logical addressing.
132.210.184.166
To provide a means for the receiver to govern the amount of data sent by the sender.

9. Name three types of connections that can use full duplex.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
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
To provide a means for the receiver to govern the amount of data sent by the sender.

10. This device creates one big collision domain and one large broadcast domain.
84:D2:43:B3
RJ45 UTP crossover cable.
Hub
Data - segment - packet - frame - bit

11. Name four router functions.
183/B7
Packet switching - Packet filtering - Internetwork communication - Path selection
Transport
Hub

12. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
11000000.10101000.00001010.00001111
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
198.211.57.209
10101100.00010000.00010100.00110111

13. This device sends and receives information about the Network 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.
Router
204.51.170.85
Network

14. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
RJ45 UTP crossover cable.
Fiber-opticcable
The Data Link layer is responsible for the framing of data packets.
The Session layer sets up - maintains - and terminates sessions between applications.

15. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
Segments - packets - frames - bits
Transport
RJ45 UTP rolled cable.
D8:1B:3D:76

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

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17. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
Decrease the window size.
D8:1B:3D:76
48 bits (6 bytes)
Switch or bridge

18. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
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.
3 - 2 - 1 - none
204.51.170.85

19. 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.
Data Link & Physical
Hub
48 bits (6 bytes)

20. Ethernet is defined at these layers.
Packet switching - Packet filtering - Internetwork communication - Path selection
Network
Router
Data Link & Physical

21. What are two purposes for segmentation with a bridge?
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 create more collision domains and to add more bandwidth for users.
The Physical layer is responsible for the electrical and mechanical connections between devices.
3 - 2 - 1 - none

22. What is the purpose of flow control?
To provide a means for the receiver to govern the amount of data sent by the sender.
Data Link & Physical
Switch or bridge
The Presentation layer makes sure that data is in a readable format for the Application layer.

23. Segmentation of a data stream happens at which layer of the OSI model?
The Network layer creates packets out of segments handed down from the Transport layer.
132.210.184.166
Transport
CA:F5:83:EB

24. At which layer is routing implemented - enabling connections and path selection between two end systems?
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).
Source and destination MAC address and FCS field
The Network layer provides routing through an internetwork and logical addressing.
Transport

25. Logical addressing is used at this layer.
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
Data Link & Physical
The Data Link layer is responsible for the framing of data packets.
Network

26. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
Hub and repeater
Data Link (LLC sublayer)
Fiber-opticcable
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

27. What type of RJ45 UTP cable is used between switches?
Packet switching - Packet filtering - Internetwork communication - Path selection
RJ45 UTP crossover cable.
Bridge or switch
The Data Link layer frames packets received from the Network layer.

28. Which layer provides logical addressing that routers will use for path determination?
Decrease the window size.
The Network layer provides logical addressing - typically IP addressing and routing.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Bridge or switch

29. Convert 172.16.20.55 to binary format.
10101100.00010000.00010100.00110111
183/B7
The Session layer sets up - maintains - and terminates sessions between applications.
Transport

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?
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Switch or bridge
Data - segment - packet - frame - bit
Buffering - windowing - congestion avoidance

31. This layer uses service access points.
Data Link (LLC sublayer)
D8:1B:3D:76
Decrease the window size.
204.51.170.85

32. Which layer segments and reassembles data into a data stream?
The Network layer creates packets out of segments handed down from the Transport layer.
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
Hub

33. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
Network
Fiber-opticcable
132.210.184.166
48 bits (6 bytes)

34. Which layer is represented by packets?
The Network layer creates packets out of segments handed down from the Transport layer.
Switch to switch - host to host - switch to host
The Physical layer is responsible for the electrical and mechanical connections between devices.
Fiber-opticcable

35. This device uses hardware addresses to filter a network.
Router
Packet switching - Packet filtering - Internetwork communication - Path selection
48 bits (6 bytes)
Bridge or switch

36. Which layer is represented by frames?
The Data Link layer frames packets received from the Network layer.
The Session layer sets up - maintains - and terminates sessions between applications.
Decrease the window size.
To create more collision domains and to add more bandwidth for users.

37. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
Segments - packets - frames - bits
Transport
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
RJ45 UTP rolled cable.

38. Which layer is represented by bits?
Network
D8:1B:3D:76
The Network layer provides routing through an internetwork and logical addressing.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

39. This device breaks up collision domains and broadcast domains.
Transport
Router
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Buffering - windowing - congestion avoidance

40. This layer creates a virtual circuit before transmitting between two end stations.
Source and destination MAC address and FCS field
Network
Transport
Data - segment - packet - frame - bit

41. This device can measure the distance to a remote network.
Source and destination MAC address and FCS field
Router
Bridge or switch
48 bits (6 bytes)

42. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Switch or bridge
The Session layer sets up - maintains - and terminates sessions between applications.
48 bits (6 bytes)
Segments - packets - frames - bits

43. This device can never run full duplex.
Router
Transport
Hub
To provide a means for the receiver to govern the amount of data sent by the sender.

44. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
The Presentation layer makes sure that data is in a readable format for the Application layer.
Hub and repeater
3 - 2 - 1 - none
198.211.57.209

45. Convert 10.11.12.99 to binary format.
Transport
132.210.184.166
00001010.00001011.00001100.01100011
Network

46. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
The Session layer sets up - maintains - and terminates sessions between applications.
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
The Data Link layer is responsible for the framing of data packets.

47. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
Data - segment - packet - frame - bit
CA:F5:83:EB
Bridge or switch
Data Link (LLC sublayer)

48. Which layer is responsible for creating - managing - and terminating sessions between applications?
Data Link & Physical
Router
The Session layer sets up - maintains - and terminates sessions between applications.
132.210.184.166

49. Which two fields are contained within an IEEE Ethernet frame header?
Source and destination MAC address and FCS field
84:D2:43:B3
Data - segment - packet - frame - bit
Fiber-opticcable

50. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
The Presentation layer makes sure that data is in a readable format for the Application layer.
The Session layer creates sessions between different hosts' applications.
132.210.184.166
The Data Link layer frames packets received from the Network layer.