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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 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 Presentation layer makes sure that data is in a readable format for the Application layer.
Transport
To create more collision domains and to add more bandwidth for users.
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).

2. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
Segments - packets - frames - bits
Transport
Router
204.51.170.85

3. Which layer is represented by bits?
Hub
84:D2:43:B3
Data Link (LLC sublayer)
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

4. Which layer segments and reassembles data into a data stream?
The Network layer provides routing through an internetwork and logical addressing.
204.51.170.85
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).

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

6. When data is encapsulated - which is the correct order?
Router
Switch or bridge
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).

7. This layer uses service access points.
Hub and repeater
Network
Data Link (LLC sublayer)
RJ45 UTP rolled cable.

8. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
D8:1B:3D:76
Network
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
The Physical layer is responsible for the electrical and mechanical connections between devices.

9. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
Router
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.
Hub and repeater
The Physical layer is responsible for the electrical and mechanical connections between devices.

10. 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.
RJ45 UTP rolled cable.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
The Physical layer is responsible for the electrical and mechanical connections between devices.

11. 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
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
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.

12. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
D8:1B:3D:76
The Network layer provides logical addressing - typically IP addressing and routing.
Router
204.51.170.85

13. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
RJ45 UTP rolled 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.
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).

14. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
Data Link
The Transport layer user virtual circuits to create a reliable connection between two hosts.
The Session layer creates sessions between different hosts' applications.
RJ45 UTP rolled cable.

15. 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.
Layer 4
Network
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

16. This device can measure the distance to a remote network.
Router
Fiber-opticcable
Buffering - windowing - congestion avoidance
Packet switching - Packet filtering - Internetwork communication - Path selection

17. 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?
The Data Link layer frames packets received from the Network layer.
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.
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).

18. Convert 192.168.10.15 to binary format.
11000000.10101000.00001010.00001111
Segments - packets - frames - bits
Network
10101100.00010000.00010100.00110111

19. This device can never run full duplex.
Router
Hub
Transport
The Network layer provides routing through an internetwork and logical addressing.

20. 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?
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 Data Link layer frames packets received from the Network layer.
3 - 2 - 1 - none
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

21. Convert 172.16.20.55 to binary format.
10101100.00010000.00010100.00110111
Router
Data Link (LLC sublayer)
Router

22. 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.
CA:F5:83:EB
Buffering - windowing - congestion avoidance
Source and destination MAC address and FCS field

23. Logical addressing is used at this layer.
Data - segment - packet - frame - bit
Network
Router
To provide a means for the receiver to govern the amount of data sent by the sender.

24. Name three types of connections that can use full duplex.
Switch to switch - host to host - switch to host
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
CA:F5:83:EB
The Presentation layer makes sure that data is in a readable format for the Application layer.

25. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
The Network layer creates packets out of segments handed down from the Transport layer.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Hub and repeater

26. This device uses hardware addresses to filter a network.
The Transport layer segments user data.
Transport
D8:1B:3D:76
Bridge or switch

27. Which of the following are 3 common types of flow control?
Source and destination MAC address and FCS field
The Data Link layer frames packets received from the Network 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
Buffering - windowing - congestion avoidance

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.
Switch or bridge
3 - 2 - 1 - none
Switch to switch - host to host - switch to host

29. This device breaks up collision domains and broadcast domains.
3 - 2 - 1 - none
Decrease the window size.
Router
The Transport layer segments user data.

30. Which layer is responsible for creating - managing - and terminating sessions between applications?
Transport
Data Link & Physical
The Session layer sets up - maintains - and terminates sessions between applications.
CA:F5:83:EB

31. Name four router functions.
The Session layer creates sessions between different hosts' applications.
Packet switching - Packet filtering - Internetwork communication - Path selection
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

32. What are two purposes for segmentation with a bridge?
11000000.10101000.00001010.00001111
204.51.170.85
The Transport layer segments user data.
To create more collision domains and to add more bandwidth for users.

33. 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.
The Data Link layer frames packets received from the Network layer.
Layer 4
183/B7

34. This device sends and receives information about the Network layer.
The Session layer sets up - maintains - and terminates sessions between applications.
11000000.10101000.00001010.00001111
132.210.184.166
Router

35. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Fiber-opticcable
The Network layer provides routing through an internetwork and logical addressing.
Transport
The Data Link layer is responsible for the framing of data packets.

36. Segmentation of a data stream happens at which layer of the OSI model?
183/B7
Buffering - windowing - congestion avoidance
Transport
Router

37. 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
Data - segment - packet - frame - bit
Router
RJ45 UTP rolled cable.

38. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
132.210.184.166
Hub and repeater
To provide a means for the receiver to govern the amount of data sent by the sender.
The Physical layer is responsible for the electrical and mechanical connections between devices.

39. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Layer 4
00001010.00001011.00001100.01100011
The Network layer provides logical addressing - typically IP addressing and routing.
The Transport layer segments user data.

40. Which layer is represented by frames?
The Data Link layer frames packets received from the Network 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
RJ45 UTP rolled cable.
198.211.57.209

41. 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
Hub
The Data Link layer frames packets received from the Network layer.
RJ45 UTP rolled cable.

42. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
Fiber-opticcable
The Session layer sets up - maintains - and terminates sessions between applications.
198.211.57.209
D8:1B:3D:76

43. What is the bit length and expression form of a MAC address?
48 bits (6 bytes)
Hub and repeater
11000000.10101000.00001010.00001111
204.51.170.85

44. Which layer provides logical addressing that routers will use for path determination?
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Data Link
The Network layer provides logical addressing - typically IP addressing and routing.
D8:1B:3D:76

45. This layer supports flow control and sequencing.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
10101100.00010000.00010100.00110111
Router
Transport

46. Which two fields are contained within an IEEE Ethernet frame header?
The Session layer creates sessions between different hosts' applications.
198.211.57.209
48 bits (6 bytes)
Source and destination MAC address and FCS field

47. This layer creates a virtual circuit before transmitting between two end stations.
Transport
Bridge or switch
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Network

48. Which layer is represented by packets?
Hub and repeater
The Network layer creates packets out of segments handed down from the Transport layer.
To create more collision domains and to add more bandwidth for users.
11000000.10101000.00001010.00001111

49. Why does the data communication industry use the layered OSI reference model? (Name two)
Data Link
132.210.184.166
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.

50. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Data Link
The Physical layer is responsible for the electrical and mechanical connections between devices.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Switch or bridge