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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?
The Presentation layer makes sure that data is in a readable format for the Application layer.
To create more collision domains and to add more bandwidth for users.
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 Network layer provides routing through an internetwork and logical addressing.

2. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
10101100.00010000.00010100.00110111
Network
Transport
Hub

3. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
Data - segment - packet - frame - bit
D8:1B:3D:76
RJ45 UTP rolled cable.
Router

4. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
Network
Packet switching - Packet filtering - Internetwork communication - Path selection
The Physical layer is responsible for the electrical and mechanical connections between devices.
Switch or bridge

5. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
To provide a means for the receiver to govern the amount of data sent by the sender.
RJ45 UTP rolled cable.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Hub and repeater

6. This layer supports flow control and sequencing.
Transport
00001010.00001011.00001100.01100011
The Transport layer segments user data.
To create more collision domains and to add more bandwidth for users.

7. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
The Network layer provides routing through an internetwork and logical addressing.
Router
Hub and repeater
Switch or bridge

8. This device sends and receives information about the Network layer.
Router
Packet switching - Packet filtering - Internetwork communication - Path selection
Data Link & Physical
The Presentation layer makes sure that data is in a readable format for the Application layer.

9. Which layer is represented by frames?
The Data Link layer frames packets received from the Network layer.
Data Link (LLC sublayer)
183/B7
Transport

10. Which layer is responsible for creating - managing - and terminating sessions between applications?
Bridge or switch
The Session layer sets up - maintains - and terminates sessions between applications.
3 - 2 - 1 - none
Router

11. This device can never run full duplex.
Data Link & Physical
Fiber-opticcable
00001010.00001011.00001100.01100011
Hub

12. Convert 172.16.20.55 to binary format.
Network
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
Source and destination MAC address and FCS field

13. Convert 10.11.12.99 to binary format.
The Data Link layer is responsible for the framing of data packets.
Network
Decrease the window size.
00001010.00001011.00001100.01100011

14. 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?
Decrease the window size.
Router
48 bits (6 bytes)
The Network layer provides routing through an internetwork and logical addressing.

15. This device breaks up collision domains and broadcast domains.
Packet switching - Packet filtering - Internetwork communication - Path selection
Switch to switch - host to host - switch to host
Segments - packets - frames - bits
Router

16. At which layer is routing implemented - enabling connections and path selection between two end systems?
The Network layer provides routing through an internetwork and logical addressing.
The Presentation layer makes sure that data is in a readable format for the Application layer.
The Session layer sets up - maintains - and terminates sessions between applications.
Hub

17. This layer creates a virtual circuit before transmitting between two end stations.
Packet switching - Packet filtering - Internetwork communication - Path selection
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.

18. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
Data Link
Packet switching - Packet filtering - Internetwork communication - Path selection
Switch to switch - host to host - switch to host
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

19. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
The Transport layer segments user data.
The Data Link layer frames packets received from the Network layer.
Layer 4
The Network layer creates packets out of segments handed down from the Transport layer.

20. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
Buffering - windowing - congestion avoidance
The Presentation layer makes sure that data is in a readable format for the Application layer.
Transport
Network

21. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
Layer 4
Transport
204.51.170.85
D8:1B:3D:76

22. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
3 - 2 - 1 - none
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
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.

23. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
Packet switching - Packet filtering - Internetwork communication - Path selection
The Presentation layer makes sure that data is in a readable format for the Application layer.
Data Link
198.211.57.209

24. This device uses hardware addresses to filter a network.
Data Link
Bridge or switch
Data Link & Physical
00001010.00001011.00001100.01100011

25. 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).
204.51.170.85
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Segments - packets - frames - bits

26. This device can measure the distance to a remote network.
The Session layer sets up - maintains - and terminates sessions between applications.
Router
Transport
Layer 4

27. Name four router functions.
RJ45 UTP rolled cable.
Packet switching - Packet filtering - Internetwork communication - Path selection
Layer 4
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

28. What is the bit length and expression form of a MAC address?
48 bits (6 bytes)
Hub and repeater
Bridge or switch
Segments - packets - frames - bits

29. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
84:D2:43:B3
Fiber-opticcable
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
The Transport layer segments user data.

30. This device creates one big collision domain and one large broadcast domain.
Data Link & Physical
Hub
Transport
Transport

31. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
Segments - packets - frames - bits
Layer 4
The Session layer sets up - maintains - and terminates sessions between applications.
11000000.10101000.00001010.00001111

32. This device creates many smaller collision domains - but the network is still one large broadcast domain.
RJ45 UTP rolled cable.
D8:1B:3D:76
Switch or bridge
Switch to switch - host to host - switch to host

33. 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.
The Network layer provides routing through an internetwork and logical addressing.
204.51.170.85

34. Convert 192.168.10.15 to binary format.
11000000.10101000.00001010.00001111
The Network layer provides logical addressing - typically IP addressing and routing.
Transport
84:D2:43:B3

35. When data is encapsulated - which is the correct order?
D8:1B:3D:76
10101100.00010000.00010100.00110111
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Data - segment - packet - frame - bit

36. Which layer is represented by bits?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
RJ45 UTP rolled cable.
Data Link (LLC sublayer)
Bridge or switch

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

38. What is the purpose of flow control?
To provide a means for the receiver to govern the amount of data sent by the sender.
00001010.00001011.00001100.01100011
Hub
Network

39. Ethernet is defined at these layers.
3 - 2 - 1 - none
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Data Link & Physical
Data Link

40. 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?
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.
Bridge or switch
Data Link

41. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
Hub and repeater
Transport
The Data Link layer is responsible for the framing of data packets.
CA:F5:83:EB

42. What type of RJ45 UTP cable is used between switches?
Network
Hub
RJ45 UTP crossover cable.
204.51.170.85

43. Which of the following are 3 common types of flow control?
Hub
CA:F5:83:EB
The Network layer provides logical addressing - typically IP addressing and routing.
Buffering - windowing - congestion avoidance

44. Why does the data communication industry use the layered OSI reference model? (Name two)
RJ45 UTP crossover cable.
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 Session layer creates sessions between different hosts' applications.

45. Which layer segments and reassembles data into a data stream?
Transport
Data - segment - packet - frame - bit
132.210.184.166
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

46. Name three types of connections that can use full duplex.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Buffering - windowing - congestion avoidance
Switch to switch - host to host - switch to host
132.210.184.166

47. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Layer 4
198.211.57.209
Transport

48. Which layer provides logical addressing that routers will use for path determination?
The Network layer provides logical addressing - typically IP addressing and routing.
Transport
Network
48 bits (6 bytes)

49. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
Fiber-opticcable
Transport
D8:1B:3D:76
183/B7

50. Which layer is represented by packets?
The Network layer creates packets out of segments handed down from the Transport layer.
3 - 2 - 1 - none
The Transport layer user virtual circuits to create a reliable connection between two hosts.
RJ45 UTP crossover cable.