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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 192.168.10.15 to binary format.
Transport
Transport
11000000.10101000.00001010.00001111
Data Link & Physical

2. What is the bit length and expression form of a MAC address?
Data Link & Physical
3 - 2 - 1 - none
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.

3. Which layer is responsible for creating - managing - and terminating sessions between applications?
The Session layer sets up - maintains - and terminates sessions between applications.
Decrease the window size.
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.
Packet switching - Packet filtering - Internetwork communication - Path selection

4. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
183/B7
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
RJ45 UTP rolled cable.
The Network layer creates packets out of segments handed down from the Transport layer.

5. 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.
Packet switching - Packet filtering - Internetwork communication - Path selection
RJ45 UTP crossover cable.
Network

6. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
00001010.00001011.00001100.01100011
The Data Link layer is responsible for the framing of data packets.
198.211.57.209
Router

7. This layer uses service access points.
The Transport layer segments user data.
Data Link (LLC sublayer)
Decrease the window size.
Network

8. Convert 172.16.20.55 to binary 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
Layer 4
Transport
10101100.00010000.00010100.00110111

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

10. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
Buffering - windowing - congestion avoidance
The Physical layer is responsible for the electrical and mechanical connections between devices.
RJ45 UTP rolled cable.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

11. Which layer is represented by segments?
198.211.57.209
The Network layer provides routing through an internetwork and logical addressing.
10101100.00010000.00010100.00110111
The Transport layer segments user data.

12. Ethernet is defined at these layers.
Data - segment - packet - frame - bit
Data Link & Physical
10101100.00010000.00010100.00110111
Source and destination MAC address and FCS field

13. Which layer provides logical addressing that routers will use for path determination?
D8:1B:3D:76
Transport
The Network layer provides logical addressing - typically IP addressing and routing.
00001010.00001011.00001100.01100011

14. What type of RJ45 UTP cable is used between switches?
Hub and repeater
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).
CA:F5:83:EB
RJ45 UTP crossover cable.

15. Segmentation of a data stream happens at which layer of the OSI model?
00001010.00001011.00001100.01100011
The Network layer provides logical addressing - typically IP addressing and routing.
Transport
Hub

16. Name three types of connections that can use full duplex.
3 - 2 - 1 - none
Switch to switch - host to host - switch to host
Fiber-opticcable
Layer 4

17. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
Transport
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
183/B7
Data Link & Physical

18. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
The Transport layer segments user data.
84:D2:43:B3
Fiber-opticcable
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.

19. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
Segments - packets - frames - bits
204.51.170.85
The Transport layer segments user data.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

20. 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.
To provide a means for the receiver to govern the amount of data sent by the sender.
Network
The Network layer provides logical addressing - typically IP addressing and routing.

21. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
3 - 2 - 1 - none
The Data Link layer is responsible for the framing of data packets.
The Physical layer is responsible for the electrical and mechanical connections between devices.
Router

22. 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
10101100.00010000.00010100.00110111
D8:1B:3D:76
CA:F5:83:EB
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).

23. Which layer is represented by frames?
The Data Link layer frames packets received from the Network layer.
The Physical layer is responsible for the electrical and mechanical connections between devices.
11000000.10101000.00001010.00001111
Hub

24. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
Fiber-opticcable
Data Link
198.211.57.209
Layer 4

25. This device sends and receives information about the Network layer.
Segments - packets - frames - bits
The Network layer provides routing through an internetwork and logical addressing.
Router
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

26. Why does the data communication industry use the layered OSI reference model? (Name two)
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.
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.
183/B7

27. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
Segments - packets - frames - bits
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.
132.210.184.166
To create more collision domains and to add more bandwidth for users.

28. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
204.51.170.85
Layer 4
Transport
Router

29. This device can never run full duplex.
Hub
The Network layer provides logical addressing - typically IP addressing and routing.
Packet switching - Packet filtering - Internetwork communication - Path selection
D8:1B:3D:76

30. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
RJ45 UTP crossover cable.
Hub
CA:F5:83:EB
RJ45 UTP rolled cable.

31. 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?
Data - segment - packet - frame - bit
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.
Hub
Decrease the window size.

32. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Transport
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
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

33. 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.
To provide a means for the receiver to govern the amount of data sent by the sender.

34. This device creates one big collision domain and one large broadcast domain.
The Network layer provides logical addressing - typically IP addressing and routing.
Hub
Bridge or switch
Router

35. Convert 10.11.12.99 to binary format.
00001010.00001011.00001100.01100011
3 - 2 - 1 - none
Data - segment - packet - frame - bit
Buffering - windowing - congestion avoidance

36. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
Network
CA:F5:83:EB
84:D2:43:B3
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

37. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
Data - segment - packet - frame - bit
D8:1B:3D:76
Network
Data Link & Physical

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

39. This layer supports flow control and sequencing.
Transport
10101100.00010000.00010100.00110111
Network
Packet switching - Packet filtering - Internetwork communication - Path selection

40. At which layer is routing implemented - enabling connections and path selection between two end systems?
48 bits (6 bytes)
198.211.57.209
10101100.00010000.00010100.00110111
The Network layer provides routing through an internetwork and logical addressing.

41. This device can measure the distance to a remote network.
Router
The Data Link layer frames packets received from the Network layer.
The Network layer creates packets out of segments handed down from the Transport layer.
CA:F5:83:EB

42. This layer creates a virtual circuit before transmitting between two end stations.
Layer 4
Bridge or switch
D8:1B:3D:76
Transport

43. When data is encapsulated - which is the correct order?
3 - 2 - 1 - none
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Packet switching - Packet filtering - Internetwork communication - Path selection
Data - segment - packet - frame - bit

44. This device breaks up collision domains and broadcast domains.
D8:1B:3D:76
The Physical layer is responsible for the electrical and mechanical connections between devices.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Router

45. Which two fields are contained within an IEEE Ethernet frame header?
Source and destination MAC address and FCS field
To create more collision domains and to add more bandwidth for users.
204.51.170.85
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

46. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
Source and destination MAC address and FCS field
To provide a means for the receiver to govern the amount of data sent by the sender.
RJ45 UTP rolled cable.
The Data Link layer is responsible for the framing of data packets.

47. This device uses hardware addresses to filter a network.
Data Link & Physical
Buffering - windowing - congestion avoidance
48 bits (6 bytes)
Bridge or switch

48. Which of the following are 3 common types of flow control?
Buffering - windowing - congestion avoidance
The Session layer sets up - maintains - and terminates sessions between applications.
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.

49. Which layer segments and reassembles data into a data stream?
Network
198.211.57.209
Transport
11000000.10101000.00001010.00001111

50. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
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.
Bridge or switch
Network