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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. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
Fiber-opticcable
Transport
Transport
84:D2:43:B3

2. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
198.211.57.209
The Session layer creates sessions between different hosts' applications.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

3. 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?
Decrease the window size.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
The Session layer creates sessions between different hosts' applications.
Transport

4. Ethernet is defined at these layers.
Data Link & Physical
Data Link
Decrease the window size.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

5. 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
84:D2:43:B3
Network
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).

6. At which layer is routing implemented - enabling connections and path selection between two end systems?
Data Link
Switch to switch - host to host - switch to host
The Presentation layer makes sure that data is in a readable format for the Application layer.
The Network layer provides routing through an internetwork and logical addressing.

7. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
Router
183/B7
The Session layer creates sessions between different hosts' applications.
Transport

8. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
Switch or bridge
D8:1B:3D:76
Decrease the window size.
The Session layer sets up - maintains - and terminates sessions between applications.

9. Convert 10.11.12.99 to binary format.
Data - segment - packet - frame - bit
00001010.00001011.00001100.01100011
The Presentation layer makes sure that data is in a readable format for the Application layer.
Packet switching - Packet filtering - Internetwork communication - Path selection

10. This device can measure the distance to a remote network.
84:D2:43:B3
Router
The Session layer creates sessions between different hosts' applications.
Network

11. Segmentation of a data stream happens at which layer of the OSI model?
Transport
Switch or bridge
The Presentation layer makes sure that data is in a readable format for the Application layer.
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).

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

13. Which two fields are contained within an IEEE Ethernet frame header?
84:D2:43:B3
Source and destination MAC address and FCS field
RJ45 UTP crossover cable.
Bridge or switch

14. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
Bridge or switch
The Network layer provides logical addressing - typically IP addressing and routing.
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.
RJ45 UTP crossover cable.

15. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
132.210.184.166
Decrease the window size.
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

16. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
198.211.57.209
Fiber-opticcable
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

17. When data is encapsulated - which is the correct order?
Data - segment - packet - frame - bit
84:D2:43:B3
183/B7
CA:F5:83:EB

18. Which layer is represented by bits?
Hub
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Packet switching - Packet filtering - Internetwork communication - Path selection
CA:F5:83:EB

19. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
Hub
204.51.170.85
The Presentation layer makes sure that data is in a readable format for the Application layer.
132.210.184.166

20. What is the bit length and expression form of a MAC address?
183/B7
Transport
48 bits (6 bytes)
10101100.00010000.00010100.00110111

21. Which layer provides logical addressing that routers will use for path determination?
D8:1B:3D:76
Switch to switch - host to host - switch to host
Buffering - windowing - congestion avoidance
The Network layer provides logical addressing - typically IP addressing and routing.

22. This device sends and receives information about the Network layer.
The Session layer sets up - maintains - and terminates sessions between applications.
The Transport layer segments user data.
Router
Hub

23. What is the purpose of flow control?
Router
The Network layer creates packets out of segments handed down from the Transport layer.
To provide a means for the receiver to govern the amount of data sent by the sender.
Packet switching - Packet filtering - Internetwork communication - Path selection

24. Which layer segments and reassembles data into a data stream?
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.
To create more collision domains and to add more bandwidth for users.
The Transport layer segments user data.
Transport

25. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
Network
RJ45 UTP crossover cable.
Transport
CA:F5:83:EB

26. Logical addressing is used at this layer.
204.51.170.85
The Data Link layer is responsible for the framing of data packets.
Bridge or switch
Network

27. What type of RJ45 UTP cable is used between switches?
RJ45 UTP rolled cable.
204.51.170.85
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.

28. 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 Network layer creates packets out of segments handed down from the Transport layer.
Data - segment - packet - frame - bit
Decrease the window size.
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).

29. This layer supports flow control and sequencing.
Hub
Transport
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.

30. Why does the data communication industry use the layered OSI reference model? (Name two)
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.
Layer 4
Source and destination MAC address and FCS field
Hub

31. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
Switch to switch - host to host - switch to host
204.51.170.85
The Physical layer is responsible for the electrical and mechanical connections between devices.
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

32. Which of the following are 3 common types of flow control?
The Presentation layer makes sure that data is in a readable format for the Application 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.
Buffering - windowing - congestion avoidance
Transport

33. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
Data Link (LLC sublayer)
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.
The Session layer creates sessions between different hosts' applications.

34. This device creates one big collision domain and one large broadcast domain.
Buffering - windowing - congestion avoidance
Data Link (LLC sublayer)
Hub
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).

35. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
Router
The Transport layer segments user data.
RJ45 UTP crossover cable.
RJ45 UTP rolled cable.

36. 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?
Router
00001010.00001011.00001100.01100011
The Transport layer user virtual circuits to create a reliable connection between two hosts.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

37. Convert 192.168.10.15 to binary format.
Packet switching - Packet filtering - Internetwork communication - Path selection
11000000.10101000.00001010.00001111
The Presentation layer makes sure that data is in a readable format for the Application layer.
Decrease the window size.

38. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
00001010.00001011.00001100.01100011
The Network layer creates packets out of segments handed down from the Transport layer.
RJ45 UTP crossover cable.
3 - 2 - 1 - none

39. Name four router functions.
The Session layer creates sessions between different hosts' applications.
Hub
00001010.00001011.00001100.01100011
Packet switching - Packet filtering - Internetwork communication - Path selection

40. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
Segments - packets - frames - bits
Transport
The Network layer provides logical addressing - typically IP addressing and routing.
CA:F5:83:EB

41. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Data Link & Physical
00001010.00001011.00001100.01100011
Layer 4
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

42. Which layer is responsible for creating - managing - and terminating sessions between applications?
The Session layer sets up - maintains - and terminates sessions between applications.
The Network layer provides routing through an internetwork and logical addressing.
00001010.00001011.00001100.01100011
To provide a means for the receiver to govern the amount of data sent by the sender.

43. What are two purposes for segmentation with a bridge?
To create more collision domains and to add more bandwidth for users.
The Session layer creates sessions between different hosts' applications.
Hub
3 - 2 - 1 - none

44. Which layer is represented by frames?
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.
RJ45 UTP crossover cable.
Transport

45. This device creates many smaller collision domains - but the network is still one large broadcast domain.
204.51.170.85
The Network layer provides logical addressing - typically IP addressing and routing.
Transport
Switch or bridge

46. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
3 - 2 - 1 - none
The Data Link layer is responsible for the framing of data packets.
198.211.57.209
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

47. This layer creates a virtual circuit before transmitting between two end stations.
To create more collision domains and to add more bandwidth for users.
Data - segment - packet - frame - bit
Transport
132.210.184.166

48. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
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.
Hub and repeater
Data - segment - packet - frame - bit

49. This device can never run full duplex.
Layer 4
Segments - packets - frames - bits
RJ45 UTP crossover cable.
Hub

50. Which layer is represented by segments?
Hub
The Session layer creates sessions between different hosts' applications.
183/B7
The Transport layer segments user data.