Test your basic knowledge |

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 never run full duplex.
The Network layer provides routing through an internetwork and logical addressing.
Decrease the window size.
Hub
48 bits (6 bytes)

2. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
Hub
Router
11000000.10101000.00001010.00001111
3 - 2 - 1 - none

3. Convert 10.11.12.99 to binary format.
00001010.00001011.00001100.01100011
Network
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 sets up - maintains - and terminates sessions between applications.

4. 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
Transport
Data - segment - packet - frame - bit
The Data Link layer frames packets received from the Network 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).

5. Why does the data communication industry use the layered OSI reference model? (Name two)
The Network layer creates packets out of segments handed down from the Transport 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.
The Data Link layer is responsible for the framing of data packets.
Buffering - windowing - congestion avoidance

6. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
The Data Link layer frames packets received from the Network layer.
RJ45 UTP rolled cable.
Bridge or switch
Switch or bridge

7. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
Decrease the window size.
Hub
Transport
198.211.57.209

8. Logical addressing is used at this layer.
The Data Link layer frames packets received from the Network layer.
Network
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Layer 4

9. This layer creates a virtual circuit before transmitting between two end stations.
Router
Transport
3 - 2 - 1 - none
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

10. This device sends and receives information about the Network layer.
The Transport layer segments user data.
Packet switching - Packet filtering - Internetwork communication - Path selection
Bridge or switch
Router

11. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
Switch to switch - host to host - switch to host
CA:F5:83:EB
84:D2:43:B3
183/B7

12. Which layer segments and reassembles data into a data stream?
CA:F5:83:EB
Transport
The Session layer creates sessions between different hosts' applications.
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.

13. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
Data Link & Physical
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Router
CA:F5:83:EB

14. This layer uses service access points.
Data Link (LLC sublayer)
Router
Switch or bridge
Fiber-opticcable

15. This device can measure the distance to a remote network.
Hub
The Data Link layer is responsible for the framing of data packets.
00001010.00001011.00001100.01100011
Router

16. Segmentation of a data stream happens at which layer of the OSI model?
D8:1B:3D:76
Segments - packets - frames - bits
Transport
Decrease the window size.

17. 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?
Layer 4
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Decrease the window size.
Data Link

18. Which layer provides logical addressing that routers will use for path determination?
Source and destination MAC address and FCS field
The Network layer provides logical addressing - typically IP addressing and routing.
The Network layer creates packets out of segments handed down from the Transport layer.
Buffering - windowing - congestion avoidance

19. This device breaks up collision domains and broadcast domains.
198.211.57.209
Packet switching - Packet filtering - Internetwork communication - Path selection
The Session layer creates sessions between different hosts' applications.
Router

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?
Bridge or switch
Fiber-opticcable
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)

21. What is the purpose of flow control?
The Network layer provides logical addressing - typically IP addressing and routing.
To provide a means for the receiver to govern the amount of data sent by the sender.
Transport
Router

22. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Fiber-opticcable
To create more collision domains and to add more bandwidth for users.
The Session layer sets up - maintains - and terminates sessions between applications.
The Data Link layer frames packets received from the Network layer.

23. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
Segments - packets - frames - bits
48 bits (6 bytes)
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.

24. Convert 192.168.10.15 to binary format.
204.51.170.85
Data Link
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
11000000.10101000.00001010.00001111

25. Convert 172.16.20.55 to binary format.
10101100.00010000.00010100.00110111
84:D2:43:B3
3 - 2 - 1 - none
Network

26. What type of RJ45 UTP cable is used between switches?
Packet switching - Packet filtering - Internetwork communication - Path selection
RJ45 UTP crossover cable.
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).
Data Link

27. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
Packet switching - Packet filtering - Internetwork communication - Path selection
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 Presentation layer makes sure that data is in a readable format for the Application layer.

28. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
183/B7
The Physical layer is responsible for the electrical and mechanical connections between devices.
Hub
48 bits (6 bytes)

29. Which layer is represented by frames?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Packet switching - Packet filtering - Internetwork communication - Path selection
The Data Link layer frames packets received from the Network layer.
The Transport layer segments user data.

30. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
Transport
198.211.57.209
Data Link & Physical
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.

31. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
204.51.170.85
Router
Router
132.210.184.166

32. Ethernet is defined at these layers.
204.51.170.85
48 bits (6 bytes)
To provide a means for the receiver to govern the amount of data sent by the sender.
Data Link & Physical

33. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
D8:1B:3D:76
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
The Session layer sets up - maintains - and terminates sessions between applications.
Data - segment - packet - frame - bit

34. Which layer is represented by bits?
204.51.170.85
Transport
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
D8:1B:3D:76

35. This device uses hardware addresses to filter a network.
Fiber-opticcable
Bridge or switch
Router
CA:F5:83:EB

36. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
Source and destination MAC address and FCS field
204.51.170.85
3 - 2 - 1 - none
Bridge or switch

37. Which layer is responsible for creating - managing - and terminating sessions between applications?
The Network layer provides routing through an internetwork and logical addressing.
84:D2:43:B3
The Session layer sets up - maintains - and terminates sessions between applications.
RJ45 UTP rolled cable.

38. 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?
Transport
Segments - packets - frames - bits
D8:1B:3D:76
The Transport layer user virtual circuits to create a reliable connection between two hosts.

39. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
Router
Packet switching - Packet filtering - Internetwork communication - Path selection
The Data Link layer is responsible for the framing of data packets.
Data Link (LLC sublayer)

40. Name three types of connections that can use full duplex.
Switch to switch - host to host - switch to host
Source and destination MAC address and FCS field
The Physical layer is responsible for the electrical and mechanical connections between devices.
00001010.00001011.00001100.01100011

41. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
RJ45 UTP rolled cable.
198.211.57.209
Data Link
204.51.170.85

42. Which of the following are 3 common types of flow control?
Hub and repeater
10101100.00010000.00010100.00110111
Buffering - windowing - congestion avoidance
Source and destination MAC address and FCS field

43. At which layer is routing implemented - enabling connections and path selection between two end systems?
Transport
204.51.170.85
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.

44. Name four router functions.
Packet switching - Packet filtering - Internetwork communication - Path selection
Layer 4
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
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.

45. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
Router
198.211.57.209
Transport
Hub and repeater

46. What is the bit length and expression form of a MAC address?
D8:1B:3D:76
198.211.57.209
48 bits (6 bytes)
The Data Link layer frames packets received from the Network layer.

47. When data is encapsulated - which is the correct order?
Data - segment - packet - frame - bit
The Transport layer segments user data.
00001010.00001011.00001100.01100011
The Data Link layer frames packets received from the Network layer.

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

49. What are two purposes for segmentation with a bridge?
The Transport layer segments user data.
To create more collision domains and to add more bandwidth for users.
Transport
The Session layer sets up - maintains - and terminates sessions between applications.

50. This device creates one big collision domain and one large broadcast domain.
The Session layer creates sessions between different hosts' applications.
Hub and repeater
The Network layer provides routing through an internetwork and logical addressing.
Hub