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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
00001010.00001011.00001100.01100011
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 Data Link layer frames packets received from the Network layer.
3 - 2 - 1 - none

2. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
D8:1B:3D:76
Decrease the window size.
The Data Link layer is responsible for the framing of data packets.
3 - 2 - 1 - none

3. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
Network
00001010.00001011.00001100.01100011
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.

4. What are two purposes for segmentation with a bridge?
Data - segment - packet - frame - bit
To create more collision domains and to add more bandwidth for users.
Bridge or switch
Decrease the window size.

5. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
To create more collision domains and to add more bandwidth for users.
10101100.00010000.00010100.00110111
The Data Link layer is responsible for the framing of data packets.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

6. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Data Link
CA:F5:83:EB
Fiber-opticcable
The Network layer creates packets out of segments handed down from the Transport layer.

7. Logical addressing is used at this layer.
Network
The Data Link layer is responsible for the framing of data packets.
The Network layer creates packets out of segments handed down from the Transport layer.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

8. Which layer provides logical addressing that routers will use for path determination?
Data Link & Physical
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.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
The Network layer provides logical addressing - typically IP addressing and routing.

9. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
Data Link & Physical
84:D2:43:B3
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 Network layer creates packets out of segments handed down from the Transport layer.

10. Ethernet is defined at these layers.
Data Link & Physical
Data - segment - packet - frame - bit
Hub and repeater
Network

11. When data is encapsulated - which is the correct order?
Data - segment - packet - frame - bit
To create more collision domains and to add more bandwidth for users.
11000000.10101000.00001010.00001111
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.

12. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
84:D2:43:B3
Transport
48 bits (6 bytes)
3 - 2 - 1 - none

13. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
The Presentation layer makes sure that data is in a readable format for the Application layer.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
The Network layer creates packets out of segments handed down from the Transport layer.
Router

14. Name three types of connections that can use full duplex.
10101100.00010000.00010100.00110111
Hub and repeater
Bridge or switch
Switch to switch - host to host - switch to host

15. This device sends and receives information about the Network layer.
The Network layer creates packets out of segments handed down from the Transport layer.
The Session layer sets up - maintains - and terminates sessions between applications.
183/B7
Router

16. What is the bit length and expression form of a MAC address?
183/B7
The Data Link layer frames packets received from the Network layer.
48 bits (6 bytes)
The Physical layer is responsible for the electrical and mechanical connections between devices.

17. This device breaks up collision domains and broadcast domains.
Data Link
Router
11000000.10101000.00001010.00001111
198.211.57.209

18. What type of RJ45 UTP cable is used between switches?
Layer 4
RJ45 UTP crossover cable.
204.51.170.85
To provide a means for the receiver to govern the amount of data sent by the sender.

19. 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 Transport layer user virtual circuits to create a reliable connection between two hosts.
The Session layer creates sessions between different hosts' applications.
48 bits (6 bytes)
Router

20. Why does the data communication industry use the layered OSI reference model? (Name two)
Bridge or switch
Data Link & Physical
183/B7
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.

21. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
RJ45 UTP rolled cable.
Segments - packets - frames - bits
Hub
The Session layer creates sessions between different hosts' applications.

22. This device can measure the distance to a remote network.
The Network layer creates packets out of segments handed down from the Transport layer.
The Session layer sets up - maintains - and terminates sessions between applications.
198.211.57.209
Router

23. This device creates one big collision domain and one large broadcast domain.
Buffering - windowing - congestion avoidance
Hub
Data Link & Physical
Bridge or switch

24. Which layer is represented by segments?
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

25. This device uses hardware addresses to filter a network.
Data Link & Physical
Hub
84:D2:43:B3
Bridge or switch

26. At which layer is routing implemented - enabling connections and path selection between two end systems?
132.210.184.166
The Network layer provides routing through an internetwork and logical addressing.
RJ45 UTP rolled cable.
Switch to switch - host to host - switch to host

27. Which layer is represented by bits?
The Session layer sets up - maintains - and terminates sessions between applications.
The Physical layer is responsible for the electrical and mechanical connections between devices.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
204.51.170.85

28. 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.
Network
Fiber-opticcable
D8:1B:3D:76

29. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
The Transport layer segments user data.
Switch or bridge
To create more collision domains and to add more bandwidth for users.
198.211.57.209

30. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
The Data Link layer frames packets received from the Network layer.
Decrease the window size.
The Data Link layer is responsible for the framing of data packets.
183/B7

31. Which layer is represented by frames?
The Network layer creates packets out of segments handed down from the Transport layer.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
The Data Link layer frames packets received from the Network layer.
Router

32. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
Bridge or switch
132.210.184.166
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 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.

33. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
Network
Decrease the window size.
The Physical layer is responsible for the electrical and mechanical connections between devices.
Hub

34. 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?
204.51.170.85
Data Link
The Transport layer segments user data.
Decrease the window size.

35. This layer creates a virtual circuit before transmitting between two end stations.
Switch or bridge
The Data Link layer frames packets received from the Network layer.
Data Link
Transport

36. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
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.
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
183/B7
84:D2:43:B3

37. Which layer is represented by packets?
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.
The Data Link layer is responsible for the framing of data packets.
RJ45 UTP crossover cable.

38. 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.
48 bits (6 bytes)
RJ45 UTP crossover cable.
Data - segment - packet - frame - bit

39. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Switch or bridge
Source and destination MAC address and FCS field
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
The Data Link layer is responsible for the framing of data packets.

40. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
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.
Hub
Network

41. This layer supports flow control and sequencing.
132.210.184.166
Transport
The Session layer sets up - maintains - and terminates sessions between applications.
Source and destination MAC address and FCS field

42. Convert 10.11.12.99 to binary format.
00001010.00001011.00001100.01100011
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.
To create more collision domains and to add more bandwidth for users.

43. This layer uses service access points.
Data Link (LLC sublayer)
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Network
The Session layer creates sessions between different hosts' applications.

44. This device can never run full duplex.
Hub
Switch or bridge
Transport
198.211.57.209

45. Which layer segments and reassembles data into a data stream?
198.211.57.209
132.210.184.166
Transport
183/B7

46. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Network
Layer 4
48 bits (6 bytes)
The Network layer provides routing through an internetwork and logical addressing.

47. Which two fields are contained within an IEEE Ethernet frame header?
132.210.184.166
Source and destination MAC address and FCS field
The Network layer provides logical addressing - typically IP addressing and routing.
Switch or bridge

48. Which layer is responsible for creating - managing - and terminating sessions between applications?
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 Session layer sets up - maintains - and terminates sessions between applications.
Data - segment - packet - frame - bit
The Transport layer user virtual circuits to create a reliable connection between two hosts.

49. Name four router functions.
The Data Link layer frames packets received from the Network layer.
Switch to switch - host to host - switch to host
Data Link & Physical
Packet switching - Packet filtering - Internetwork communication - Path selection

50. Convert 192.168.10.15 to binary format.
Decrease the window size.
The Network layer creates packets out of segments handed down from the Transport layer.
The Presentation layer makes sure that data is in a readable format for the Application layer.
11000000.10101000.00001010.00001111