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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. This device can measure the distance to a remote network.
Router
Packet switching - Packet filtering - Internetwork communication - Path selection
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.

2. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
132.210.184.166
The Transport layer segments user data.
Segments - packets - frames - bits
Transport

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

4. Why does the data communication industry use the layered OSI reference model? (Name two)
Packet switching - Packet filtering - Internetwork communication - Path selection
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.
CA:F5:83:EB
Transport

5. Which layer is responsible for creating - managing - and terminating sessions between applications?
The Session layer sets up - maintains - and terminates sessions between applications.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
CA:F5:83:EB
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

6. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
The Data Link layer frames packets received from the Network layer.
CA:F5:83:EB
Switch to switch - host to host - switch to host
Transport

7. This device uses hardware addresses to filter a network.
Switch or bridge
The Presentation layer makes sure that data is in a readable format for the Application layer.
204.51.170.85
Bridge or switch

8. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Hub
Fiber-opticcable
11000000.10101000.00001010.00001111
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).

9. This device sends and receives information about the Network layer.
Router
Transport
To create more collision domains and to add more bandwidth for users.
Hub

10. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
Hub
Data - segment - packet - frame - bit
Data Link
RJ45 UTP rolled cable.

11. 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?
D8:1B:3D:76
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.
The Session layer creates sessions between different hosts' applications.

12. What type of RJ45 UTP cable is used between switches?
Router
RJ45 UTP crossover cable.
The Network layer provides logical addressing - typically IP addressing and routing.
48 bits (6 bytes)

13. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
The Network layer provides routing through an internetwork and logical addressing.
84:D2:43:B3
Hub
The Physical layer is responsible for the electrical and mechanical connections between devices.

14. Which layer is represented by packets?
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.
Data Link (LLC sublayer)
48 bits (6 bytes)

15. 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?
To provide a means for the receiver to govern the amount of data sent by the sender.
Decrease the window size.
Data - segment - packet - frame - bit
The Network layer provides logical addressing - typically IP addressing and routing.

16. What is the bit length and expression form of a MAC address?
Router
Transport
48 bits (6 bytes)
To provide a means for the receiver to govern the amount of data sent by the sender.

17. Which layer is represented by frames?
The Transport layer user virtual circuits to create a reliable connection between two hosts.
84:D2:43:B3
The Data Link layer frames packets received from the Network layer.
The Session layer sets up - maintains - and terminates sessions between applications.

18. What is the purpose of flow control?
To provide a means for the receiver to govern the amount of data sent by the sender.
Transport
Switch to switch - host to host - switch to host
Switch or bridge

19. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
CA:F5:83:EB
The Session layer creates sessions between different hosts' applications.
Hub and repeater
84:D2:43:B3

20. Which of the following are 3 common types of flow control?
Buffering - windowing - congestion avoidance
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 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).
48 bits (6 bytes)

21. 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
D8:1B:3D:76
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
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).
Fiber-opticcable

22. Logical addressing is used at this layer.
Network
The Presentation layer makes sure that data is in a readable format for the Application layer.
Router
Transport

23. Segmentation of a data stream happens at which layer of the OSI model?
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Transport
The Data Link layer frames packets received from the Network layer.
The Network layer provides logical addressing - typically IP addressing and routing.

24. 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.
3 - 2 - 1 - none
The Session layer creates sessions between different hosts' applications.
The Transport layer segments user data.

25. Which two fields are contained within an IEEE Ethernet frame header?
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
3 - 2 - 1 - none
Data Link & Physical
Source and destination MAC address and FCS field

26. 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?
Router
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Bridge or switch
To create more collision domains and to add more bandwidth for users.

27. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
Source and destination MAC address and FCS field
183/B7
Switch or bridge
Packet switching - Packet filtering - Internetwork communication - Path selection

28. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
3 - 2 - 1 - none
Packet switching - Packet filtering - Internetwork communication - Path selection
The Network layer provides routing through an internetwork and logical addressing.
Layer 4

29. Name three types of connections that can use full duplex.
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 creates packets out of segments handed down from the Transport layer.
Switch to switch - host to host - switch to host
Hub

30. This layer uses service access points.
Network
Data Link (LLC sublayer)
Bridge or switch
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).

31. When data is encapsulated - which is the correct order?
Data - segment - packet - frame - bit
Data Link (LLC sublayer)
Switch to switch - host to host - switch to host
The Physical layer is responsible for the electrical and mechanical connections between devices.

32. Which layer is represented by bits?
The Network layer provides routing through an internetwork and logical addressing.
RJ45 UTP crossover cable.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Hub

33. This device breaks up collision domains and broadcast domains.
Router
Hub
Data Link
Data - segment - packet - frame - bit

34. This device creates many smaller collision domains - but the network is still one large broadcast domain.
D8:1B:3D:76
Switch or bridge
Transport
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

35. This layer supports flow control and sequencing.
The Session layer creates sessions between different hosts' applications.
Transport
183/B7
Network

36. Which layer segments and reassembles data into a data stream?
Data Link & Physical
To provide a means for the receiver to govern the amount of data sent by the sender.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Transport

37. This device can never run full duplex.
To provide a means for the receiver to govern the amount of data sent by the sender.
Data Link & Physical
Decrease the window size.
Hub

38. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
11000000.10101000.00001010.00001111
Packet switching - Packet filtering - Internetwork communication - Path selection
The Data Link layer is responsible for the framing of data packets.
Network

39. Convert 192.168.10.15 to binary format.
The Network layer provides routing through an internetwork and logical addressing.
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
11000000.10101000.00001010.00001111
Data - segment - packet - frame - bit

40. Which layer provides logical addressing that routers will use for path determination?
D8:1B:3D:76
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
The Network layer provides logical addressing - typically IP addressing and routing.

41. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
3 - 2 - 1 - none
The Network layer provides routing through an internetwork and logical addressing.
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
Source and destination MAC address and FCS field

42. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
The Network layer provides logical addressing - typically IP addressing and routing.
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
198.211.57.209

43. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Layer 4
Segments - packets - frames - bits
RJ45 UTP rolled cable.
Hub and repeater

44. This device creates one big collision domain and one large broadcast domain.
Hub
The Data Link layer frames packets received from the Network layer.
00001010.00001011.00001100.01100011
To provide a means for the receiver to govern the amount of data sent by the sender.

45. This layer creates a virtual circuit before transmitting between two end stations.
The Presentation layer makes sure that data is in a readable format for the Application layer.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Transport
The Session layer creates sessions between different hosts' applications.

46. Convert 172.16.20.55 to binary format.
RJ45 UTP rolled cable.
To create more collision domains and to add more bandwidth for users.
10101100.00010000.00010100.00110111
Data - segment - packet - frame - bit

47. 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.
183/B7
D8:1B:3D:76
Router

48. Which layer is represented by segments?
11000000.10101000.00001010.00001111
Decrease the window size.
Router
The Transport layer segments user data.

49. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
D8:1B:3D:76
Fiber-opticcable
The Data Link layer is responsible for the framing of data packets.
Bridge or switch

50. What are two purposes for segmentation with a bridge?
The Session layer sets up - maintains - and terminates sessions between applications.
Decrease the window size.
To create more collision domains and to add more bandwidth for users.
The Data Link layer frames packets received from the Network layer.