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 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 is responsible for the framing of data packets.
RJ45 UTP rolled cable.
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
Network

2. Convert 192.168.10.15 to binary format.
The Data Link layer frames packets received from the Network layer.
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
11000000.10101000.00001010.00001111

3. 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.
Transport
The Network layer provides routing through an internetwork and logical addressing.

4. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
Bridge or switch
198.211.57.209
Transport
RJ45 UTP crossover cable.

5. This device uses hardware addresses to filter a network.
Bridge or switch
The Session layer sets up - maintains - and terminates sessions between applications.
The Data Link layer frames packets received from the Network layer.
Data Link & Physical

6. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
Segments - packets - frames - bits
Data Link (LLC sublayer)
RJ45 UTP crossover cable.
Fiber-opticcable

7. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
183/B7
132.210.184.166
The Session layer sets up - maintains - and terminates sessions between applications.
Data Link & Physical

8. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Switch or bridge
Transport
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

9. This layer creates a virtual circuit before transmitting between two end stations.
Transport
The Network layer provides routing through an internetwork and logical addressing.
To provide a means for the receiver to govern the amount of data sent by the sender.
To create more collision domains and to add more bandwidth for users.

10. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
Network
The Presentation layer makes sure that data is in a readable format for the Application layer.
Layer 4
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

11. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
204.51.170.85
Data Link
Router
00001010.00001011.00001100.01100011

12. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
Bridge or switch
The Physical layer is responsible for the electrical and mechanical connections between devices.
To create more collision domains and to add more bandwidth for users.
RJ45 UTP rolled cable.

13. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
To provide a means for the receiver to govern the amount of data sent by the sender.
Data Link (LLC sublayer)
Router
Fiber-opticcable

14. This device can measure the distance to a remote network.
Transport
Router
The Network layer provides routing through an internetwork and logical addressing.
183/B7

15. What is the bit length and expression form of a MAC address?
Transport
Transport
Network
48 bits (6 bytes)

16. 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?
3 - 2 - 1 - none
Transport
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Decrease the window size.

17. This device creates one big collision domain and one large broadcast domain.
84:D2:43:B3
RJ45 UTP rolled cable.
Hub
Data Link (LLC sublayer)

18. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
Buffering - windowing - congestion avoidance
The Network layer provides logical addressing - typically IP addressing and routing.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Hub

19. This layer uses service access points.
Network
The Presentation layer makes sure that data is in a readable format for the Application layer.
Network
Data Link (LLC sublayer)

20. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
The Session layer sets up - maintains - and terminates sessions between applications.
Transport
The Presentation layer makes sure that data is in a readable format for the Application layer.
Data - segment - packet - frame - bit

21. Which layer is represented by frames?
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).
3 - 2 - 1 - none
Fiber-opticcable
The Data Link layer frames packets received from the Network layer.

22. Segmentation of a data stream happens at which layer of the OSI model?
To provide a means for the receiver to govern the amount of data sent by the sender.
Router
Network
Transport

23. Name three types of connections that can use full duplex.
Switch to switch - host to host - switch to host
Hub and repeater
The Presentation layer makes sure that data is in a readable format for the Application layer.
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.

24. Convert 10.11.12.99 to binary format.
Hub and repeater
CA:F5:83:EB
00001010.00001011.00001100.01100011
3 - 2 - 1 - none

25. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
Data Link
To provide a means for the receiver to govern the amount of data sent by the sender.
Hub and repeater
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.

26. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
The Session layer sets up - maintains - and terminates sessions between applications.
183/B7
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.

27. 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?
00001010.00001011.00001100.01100011
Transport
Data - segment - packet - frame - bit
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

28. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
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.
Buffering - windowing - congestion avoidance
The Network layer creates packets out of segments handed down from the Transport layer.
D8:1B:3D:76

29. What type of RJ45 UTP cable is used between switches?
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Network
RJ45 UTP crossover cable.
The Session layer creates sessions between different hosts' applications.

30. 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
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 crossover cable.
Router
To provide a means for the receiver to govern the amount of data sent by the sender.

31. Which layer segments and reassembles data into a data stream?
CA:F5:83:EB
84:D2:43:B3
Transport
The Data Link layer is responsible for the framing of data packets.

32. At which layer is routing implemented - enabling connections and path selection between two end systems?
Buffering - windowing - congestion avoidance
The Presentation layer makes sure that data is in a readable format for the Application layer.
To provide a means for the receiver to govern the amount of data sent by the sender.
The Network layer provides routing through an internetwork and logical addressing.

33. This device can never run full duplex.
Hub
204.51.170.85
The Session layer sets up - maintains - and terminates sessions between applications.
Source and destination MAC address and FCS field

34. This device breaks up collision domains and broadcast domains.
Data - segment - packet - frame - bit
Router
Network
The Session layer sets up - maintains - and terminates sessions between applications.

35. Name four router functions.
48 bits (6 bytes)
The Session layer creates sessions between different hosts' applications.
Packet switching - Packet filtering - Internetwork communication - Path selection
The Physical layer is responsible for the electrical and mechanical connections between devices.

36. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
132.210.184.166
The Session layer sets up - maintains - and terminates sessions between applications.
CA:F5:83:EB
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

37. Logical addressing is used at this layer.
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.
Network
3 - 2 - 1 - none
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

38. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
132.210.184.166
The Network layer provides routing through an internetwork and logical addressing.
Decrease the window size.
The Data Link layer is responsible for the framing of data packets.

39. Ethernet is defined at these layers.
D8:1B:3D:76
Router
11000000.10101000.00001010.00001111
Data Link & Physical

40. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
204.51.170.85
Transport
CA:F5:83:EB
D8:1B:3D:76

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

42. Which layer is represented by packets?
The Session layer creates sessions between different hosts' applications.
183/B7
The Network layer creates packets out of segments handed down from the Transport layer.
Network

43. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
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
198.211.57.209
132.210.184.166
CA:F5:83:EB

44. This device creates many smaller collision domains - but the network is still one large broadcast domain.
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
Switch or bridge
The Session layer creates sessions between different hosts' applications.

45. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
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
84:D2:43:B3
3 - 2 - 1 - none
Hub

46. Which layer provides logical addressing that routers will use for path determination?
D8:1B:3D:76
Fiber-opticcable
The Network layer provides logical addressing - typically IP addressing and routing.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

47. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
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.
Packet switching - Packet filtering - Internetwork communication - Path selection
Data Link (LLC sublayer)

48. Convert 172.16.20.55 to binary format.
10101100.00010000.00010100.00110111
132.210.184.166
The Network layer provides logical addressing - typically IP addressing and routing.
Bridge or switch

49. Which layer is represented by segments?
The Physical layer is responsible for the electrical and mechanical connections between devices.
The Session layer sets up - maintains - and terminates sessions between applications.
Decrease the window size.
The Transport layer segments user data.

50. What are two purposes for segmentation with a bridge?
132.210.184.166
To create more collision domains and to add more bandwidth for users.
Transport
Router