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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 1 devices can be used to enlarge the area covered by a single LAN segment?
To create more collision domains and to add more bandwidth for users.
132.210.184.166
The Transport layer segments user data.
Hub and repeater

2. When data is encapsulated - which is the correct order?
The Data Link layer frames packets received from the Network layer.
Transport
Data - segment - packet - frame - bit
11000000.10101000.00001010.00001111

3. Which layer is represented by segments?
Packet switching - Packet filtering - Internetwork communication - Path selection
Segments - packets - frames - bits
The Transport layer segments user data.
Transport

4. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
Layer 4
3 - 2 - 1 - none
Router
Hub and repeater

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

6. Convert 10.11.12.99 to binary format.
To provide a means for the receiver to govern the amount of data sent by the sender.
Transport
00001010.00001011.00001100.01100011
The Data Link layer is responsible for the framing of data packets.

7. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
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 Presentation layer makes sure that data is in a readable format for the Application layer.
Decrease the window size.
D8:1B:3D:76

8. Which layer segments and reassembles data into a data stream?
Hub
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Transport
84:D2:43:B3

9. What is the bit length and expression form of a MAC address?
48 bits (6 bytes)
Router
Network
Bridge or switch

10. This device creates one big collision domain and one large broadcast domain.
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.
Hub
Packet switching - Packet filtering - Internetwork communication - Path selection
Data Link & Physical

11. Which two fields are contained within an IEEE Ethernet frame header?
Source and destination MAC address and FCS field
Router
84:D2:43:B3
Switch or bridge

12. 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?
Packet switching - Packet filtering - Internetwork communication - Path selection
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
The Session layer creates sessions between different hosts' applications.
Data Link & Physical

13. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
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.
Network
Segments - packets - frames - bits
The Network layer provides routing through an internetwork and logical addressing.

14. This device can measure the distance to a remote network.
Router
Layer 4
183/B7
CA:F5:83:EB

15. This device uses hardware addresses to filter a network.
Transport
Layer 4
Router
Bridge or switch

16. What type of RJ45 UTP cable is used between switches?
Hub and repeater
Router
Switch to switch - host to host - switch to host
RJ45 UTP crossover cable.

17. Which of the following are 3 common types of flow control?
Buffering - windowing - congestion avoidance
Data Link
Router
Router

18. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
Network
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.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Hub and repeater

19. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
183/B7
The Presentation layer makes sure that data is in a readable format for the Application 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

20. This layer uses service access points.
Data Link (LLC sublayer)
198.211.57.209
Data Link & Physical
Decrease the window size.

21. Ethernet is defined at these layers.
Buffering - windowing - congestion avoidance
Data Link & Physical
Transport
Data - segment - packet - frame - bit

22. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
The Network layer provides routing through an internetwork and logical addressing.
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.
84:D2:43:B3
The Session layer sets up - maintains - and terminates sessions between applications.

23. This device can never run full duplex.
RJ45 UTP crossover cable.
Data Link
Hub
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

24. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
84:D2:43:B3
The Transport layer user virtual circuits to create a reliable connection between two hosts.
183/B7
D8:1B:3D:76

25. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
The Network layer provides logical addressing - typically IP addressing and routing.
Switch to switch - host to host - switch to host
204.51.170.85
Data Link (LLC sublayer)

26. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
The Network layer provides logical addressing - typically IP addressing and routing.
Hub
Data Link & Physical
132.210.184.166

27. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
Packet switching - Packet filtering - Internetwork communication - Path selection
Segments - packets - frames - bits
The Transport layer segments user data.
To create more collision domains and to add more bandwidth for users.

28. 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.
Buffering - windowing - congestion avoidance
To provide a means for the receiver to govern the amount of data sent by the sender.
The Data Link layer is responsible for the framing of data packets.

29. This layer creates a virtual circuit before transmitting between two end stations.
Transport
183/B7
Network
The Physical layer is responsible for the electrical and mechanical connections between devices.

30. Which layer is represented by frames?
Data - segment - packet - frame - bit
CA:F5:83:EB
Segments - packets - frames - bits
The Data Link layer frames packets received from the Network layer.

31. Convert 192.168.10.15 to binary format.
132.210.184.166
84:D2:43:B3
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).
11000000.10101000.00001010.00001111

32. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
Router
Router
198.211.57.209
The Data Link layer is responsible for the framing of data packets.

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

34. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
Data Link & Physical
183/B7
RJ45 UTP crossover cable.
Hub

35. What is the purpose of flow control?
The Transport layer segments user data.
To provide a means for the receiver to govern the amount of data sent by the sender.
Transport
84:D2:43:B3

36. Logical addressing is used at this layer.
To provide a means for the receiver to govern the amount of data sent by the sender.
Network
Transport
84:D2:43:B3

37. Segmentation of a data stream happens at which layer of the OSI model?
48 bits (6 bytes)
The Session layer sets up - maintains - and terminates sessions between applications.
The Network layer provides logical addressing - typically IP addressing and routing.
Transport

38. 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.
Bridge or switch
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.

39. 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
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).
10101100.00010000.00010100.00110111
Data Link

40. 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 Physical layer is responsible for transporting 1s and 0s in a digital signal.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
The Network layer provides routing through an internetwork and logical addressing.
Decrease the window size.

41. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
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.
Decrease the window size.
To create more collision domains and to add more bandwidth for users.

42. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
The Transport layer segments user data.
CA:F5:83:EB
Data - segment - packet - frame - bit
Network

43. Which layer is responsible for creating - managing - and terminating sessions between applications?
Switch or bridge
The Session layer sets up - maintains - and terminates sessions between applications.
Network
To provide a means for the receiver to govern the amount of data sent by the sender.

44. Convert 172.16.20.55 to binary format.
Transport
Transport
Hub
10101100.00010000.00010100.00110111

45. What are two purposes for segmentation with a bridge?
To create more collision domains and to add more bandwidth for users.
Transport
The Transport layer segments user data.
11000000.10101000.00001010.00001111

46. Name four router functions.
Fiber-opticcable
Layer 4
Packet switching - Packet filtering - Internetwork communication - Path selection
Hub and repeater

47. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
Decrease the window size.
The Presentation layer makes sure that data is in a readable format for the Application layer.
Hub
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

48. Which layer provides logical addressing that routers will use for path determination?
The Network layer provides logical addressing - typically IP addressing and routing.
The Data Link layer frames packets received from the Network layer.
Data Link (LLC sublayer)
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).

49. Which layer is represented by packets?
Router
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.
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

50. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
The Network layer provides routing through an internetwork and logical addressing.
Transport
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Switch or bridge