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. What is the bit length and expression form of a MAC address?
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.
Switch or bridge
The Data Link layer frames packets received from the Network layer.
48 bits (6 bytes)

2. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
Transport
Data - segment - packet - frame - bit
The Physical layer is responsible for the electrical and mechanical connections between devices.
11000000.10101000.00001010.00001111

3. What type of RJ45 UTP cable is used between switches?
RJ45 UTP crossover cable.
132.210.184.166
183/B7
48 bits (6 bytes)

4. Convert 10.11.12.99 to binary format.
Data Link
00001010.00001011.00001100.01100011
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Decrease the window size.

5. At which layer is routing implemented - enabling connections and path selection between two end systems?
Hub
RJ45 UTP crossover cable.
CA:F5:83:EB
The Network layer provides routing through an internetwork and logical addressing.

6. This device sends and receives information about the Network layer.
Router
The Session layer sets up - maintains - and terminates sessions between applications.
The Data Link layer is responsible for the framing of data packets.
3 - 2 - 1 - none

7. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
198.211.57.209
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.
Router

8. 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
Router
D8:1B:3D:76
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).

9. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
Data Link
48 bits (6 bytes)
CA:F5:83:EB
The Session layer creates sessions between different hosts' applications.

10. This device creates one big collision domain and one large broadcast domain.
Source and destination MAC address and FCS field
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).
RJ45 UTP rolled cable.
Hub

11. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Layer 4
Switch or bridge
Packet switching - Packet filtering - Internetwork communication - Path selection
Router

12. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
RJ45 UTP rolled cable.
The Transport layer segments user data.
The Data Link layer frames packets received from the Network layer.
D8:1B:3D:76

13. Which layer is represented by frames?
48 bits (6 bytes)
Segments - packets - frames - bits
The Data Link layer frames packets received from the Network layer.
Transport

14. 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?
Hub
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Data Link (LLC sublayer)
Decrease the window size.

15. This device uses hardware addresses to filter a network.
Segments - packets - frames - bits
11000000.10101000.00001010.00001111
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Bridge or switch

16. Which of the following are 3 common types of flow control?
Buffering - windowing - congestion avoidance
Data - segment - packet - frame - bit
Segments - packets - frames - bits
The Data Link layer is responsible for the framing of data packets.

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?
The Network layer provides logical addressing - typically IP addressing and routing.
Decrease the window size.
RJ45 UTP rolled cable.
Router

18. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
The Session layer sets up - maintains - and terminates sessions between applications.
The Network layer creates packets out of segments handed down from the Transport layer.
Network
To provide a means for the receiver to govern the amount of data sent by the sender.

19. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
The Transport layer segments user data.
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.
Router
To create more collision domains and to add more bandwidth for users.

20. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
204.51.170.85
Router
84:D2:43:B3
183/B7

21. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
Source and destination MAC address and FCS field
183/B7
Router
CA:F5:83:EB

22. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
132.210.184.166
48 bits (6 bytes)
Router
CA:F5:83:EB

23. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
To provide a means for the receiver to govern the amount of data sent by the sender.
Data Link (LLC sublayer)
3 - 2 - 1 - none
Router

24. Name four router functions.
Packet switching - Packet filtering - Internetwork communication - Path selection
Transport
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.

25. This layer supports flow control and sequencing.
Transport
11000000.10101000.00001010.00001111
Segments - packets - frames - bits
The Session layer sets up - maintains - and terminates sessions between applications.

26. What are two purposes for segmentation with a bridge?
84:D2:43:B3
10101100.00010000.00010100.00110111
Segments - packets - frames - bits
To create more collision domains and to add more bandwidth for users.

27. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
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.
84:D2:43:B3
The Network layer provides logical addressing - typically IP addressing and routing.

28. 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 and repeater
The Session layer sets up - maintains - and terminates sessions between applications.
RJ45 UTP rolled cable.

29. What is the purpose of flow control?
Router
To provide a means for the receiver to govern the amount of data sent by the sender.
Data Link
Source and destination MAC address and FCS field

30. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
Source and destination MAC address and FCS field
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 Presentation layer makes sure that data is in a readable format for the Application layer.
00001010.00001011.00001100.01100011

31. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
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).
204.51.170.85
The Session layer sets up - maintains - and terminates sessions between applications.
Layer 4

32. Why does the data communication industry use the layered OSI reference model? (Name two)
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.
Bridge or switch
Hub

33. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
The Data Link layer is responsible for the framing of data packets.
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
48 bits (6 bytes)
Network

34. This device breaks up collision domains and broadcast domains.
Bridge or switch
Switch or bridge
Router
Source and destination MAC address and FCS field

35. Which layer segments and reassembles data into a data stream?
Transport
The Transport layer segments user data.
48 bits (6 bytes)
D8:1B:3D:76

36. Which layer is represented by bits?
Transport
Source and destination MAC address and FCS field
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Transport

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

38. Convert 172.16.20.55 to binary format.
Fiber-opticcable
Data Link (LLC sublayer)
10101100.00010000.00010100.00110111
Router

39. This layer creates a virtual circuit before transmitting between two end stations.
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).
Transport
RJ45 UTP crossover cable.
Packet switching - Packet filtering - Internetwork communication - Path selection

40. Logical addressing is used at this layer.
The Session layer sets up - maintains - and terminates sessions between applications.
00001010.00001011.00001100.01100011
The Transport layer segments user data.
Network

41. This layer uses service access points.
Network
Data Link (LLC sublayer)
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 is responsible for the framing of data packets.

42. Convert 192.168.10.15 to binary format.
Data Link
Buffering - windowing - congestion avoidance
11000000.10101000.00001010.00001111
RJ45 UTP crossover cable.

43. Ethernet is defined at these layers.
Data Link & Physical
Transport
132.210.184.166
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).

44. This device can never run full duplex.
Hub
Transport
Switch to switch - host to host - switch to host
Data Link

45. 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.
Layer 4
The Presentation layer makes sure that data is in a readable format for the Application layer.
Switch to switch - host to host - switch to host

46. When data is encapsulated - which is the correct order?
The Session layer sets up - maintains - and terminates sessions between applications.
Segments - packets - frames - bits
Data - segment - packet - frame - bit
Fiber-opticcable

47. 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 Session layer sets up - maintains - and terminates sessions between applications.
Packet switching - Packet filtering - Internetwork communication - Path selection
The Transport layer user virtual circuits to create a reliable connection between two hosts.
The Network layer provides logical addressing - typically IP addressing and routing.

48. Which layer is represented by segments?
The Transport layer segments user data.
Data Link (LLC sublayer)
The Session layer sets up - maintains - and terminates sessions between applications.
3 - 2 - 1 - none

49. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Fiber-opticcable
Packet switching - Packet filtering - Internetwork communication - Path selection
Hub
Network

50. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
48 bits (6 bytes)
Segments - packets - frames - bits
To create more collision domains and to add more bandwidth for users.
Layer 4