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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. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
3 - 2 - 1 - none
11000000.10101000.00001010.00001111
Router
Segments - packets - frames - bits

2. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
183/B7
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
Source and destination MAC address and FCS field

3. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
The Network layer creates packets out of segments handed down from the Transport layer.
Network
RJ45 UTP crossover cable.
Bridge or switch

4. Convert 172.16.20.55 to binary format.
The Presentation layer makes sure that data is in a readable format for the Application layer.
10101100.00010000.00010100.00110111
Packet switching - Packet filtering - Internetwork communication - Path selection
Data Link & Physical

5. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at 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
The Presentation layer makes sure that data is in a readable format for the Application layer.
3 - 2 - 1 - none

6. Which of the following are 3 common types of flow control?
Network
Buffering - windowing - congestion avoidance
204.51.170.85
The Data Link layer is responsible for the framing of data packets.

7. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
Transport
Data Link (LLC sublayer)
RJ45 UTP rolled cable.
The Presentation layer makes sure that data is in a readable format for the Application layer.

8. Which layer is represented by segments?
The Transport layer user virtual circuits to create a reliable connection between two hosts.
The Transport layer segments user data.
Transport
Network

9. This device breaks up collision domains and broadcast domains.
204.51.170.85
The Data Link layer frames packets received from the Network layer.
Router
3 - 2 - 1 - none

10. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
132.210.184.166
Switch to switch - host to host - switch to host
204.51.170.85
Transport

11. Which layer is represented by packets?
132.210.184.166
The Network layer creates packets out of segments handed down from the Transport layer.
Network
204.51.170.85

12. What type of RJ45 UTP cable is used between switches?
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
RJ45 UTP crossover cable.
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.
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

13. Name four router functions.
Packet switching - Packet filtering - Internetwork communication - Path selection
The Transport layer segments user data.
The Session layer sets up - maintains - and terminates sessions between applications.
Network

14. Which layer provides logical addressing that routers will use for path determination?
The Session layer sets up - maintains - and terminates sessions between applications.
Transport
183/B7
The Network layer provides logical addressing - typically IP addressing and routing.

15. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
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 Session layer creates sessions between different hosts' applications.
The Physical layer is responsible for the electrical and mechanical connections between devices.
Transport

16. This layer uses service access points.
Data Link
Data Link (LLC sublayer)
The Transport layer segments user data.
183/B7

17. Convert 192.168.10.15 to binary format.
11000000.10101000.00001010.00001111
To provide a means for the receiver to govern the amount of data sent by the sender.
204.51.170.85
Buffering - windowing - congestion avoidance

18. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Layer 4
To create more collision domains and to add more bandwidth for users.
The Physical layer is responsible for the electrical and mechanical connections between devices.
CA:F5:83:EB

19. Segmentation of a data stream happens at which layer of the OSI model?
The Transport layer segments user data.
Network
Transport
Layer 4

20. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
Packet switching - Packet filtering - Internetwork communication - Path selection
00001010.00001011.00001100.01100011
Source and destination MAC address and FCS field
RJ45 UTP rolled cable.

21. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
CA:F5:83:EB
Switch or bridge
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 Network layer provides routing through an internetwork and logical addressing.

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
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).
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
Hub and repeater
Source and destination MAC address and FCS field

23. This device creates one big collision domain and one large broadcast domain.
11000000.10101000.00001010.00001111
The Data Link layer frames packets received from the Network layer.
The Data Link layer is responsible for the framing of data packets.
Hub

24. 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 Data Link layer is responsible for the framing of data packets.
Switch or bridge
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
Decrease the window size.

25. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
Data - segment - packet - frame - bit
Data Link & Physical
Fiber-opticcable
198.211.57.209

26. This device can never run full duplex.
3 - 2 - 1 - none
Switch or bridge
The Session layer creates sessions between different hosts' applications.
Hub

27. Convert 10.11.12.99 to binary format.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
132.210.184.166
00001010.00001011.00001100.01100011
198.211.57.209

28. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Hub
Decrease the window size.
Switch to switch - host to host - switch to host
Fiber-opticcable

29. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
To provide a means for the receiver to govern the amount of data sent by the sender.
Router
Switch to switch - host to host - switch to host
The Data Link layer is responsible for the framing of data packets.

30. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
3 - 2 - 1 - none
84:D2:43:B3
Transport
The Session layer creates sessions between different hosts' applications.

31. Which layer is represented by frames?
10101100.00010000.00010100.00110111
The Data Link layer frames packets received from the Network layer.
The Transport layer segments user data.
Transport

32. This device uses hardware addresses to filter a network.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
The Data Link layer is responsible for the framing of data packets.
Packet switching - Packet filtering - Internetwork communication - Path selection
Bridge or switch

33. Which layer is represented by bits?
Segments - packets - frames - bits
11000000.10101000.00001010.00001111
132.210.184.166
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

34. This device can measure the distance to a remote network.
The Network layer provides logical addressing - typically IP addressing and routing.
Data Link (LLC sublayer)
The Presentation layer makes sure that data is in a readable format for the Application layer.
Router

35. 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?
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Router
Hub
Data - segment - packet - frame - bit

36. Which layer segments and reassembles data into a data stream?
The Data Link layer frames packets received from the Network layer.
Transport
RJ45 UTP rolled cable.
204.51.170.85

37. Which layer is responsible for creating - managing - and terminating sessions between applications?
The Network layer creates packets out of segments handed down from the Transport layer.
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

38. This layer supports flow control and sequencing.
To provide a means for the receiver to govern the amount of data sent by the sender.
The Presentation layer makes sure that data is in a readable format for the Application layer.
198.211.57.209
Transport

39. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
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).
To provide a means for the receiver to govern the amount of data sent by the sender.
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
Data - segment - packet - frame - bit

40. Why does the data communication industry use the layered OSI reference model? (Name two)
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 to switch - host to host - switch to host
Fiber-opticcable
RJ45 UTP rolled cable.

41. Which two fields are contained within an IEEE Ethernet frame header?
Bridge or switch
Source and destination MAC address and FCS field
Layer 4
Hub

42. Name three types of connections that can use full duplex.
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 crossover cable.
Switch to switch - host to host - switch to host
Transport

43. At which layer is routing implemented - enabling connections and path selection between two end systems?
204.51.170.85
Decrease the window size.
Switch to switch - host to host - switch to host
The Network layer provides routing through an internetwork and logical addressing.

44. What are two purposes for segmentation with a bridge?
Segments - packets - frames - bits
84:D2:43:B3
To create more collision domains and to add more bandwidth for users.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

45. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
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.
Data - segment - packet - frame - bit
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
The Data Link layer is responsible for the framing of data packets.

46. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
The Transport layer segments user data.
Data Link
Router
The Network layer creates packets out of segments handed down from the Transport layer.

47. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Transport
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Switch or bridge
The Network layer provides logical addressing - typically IP addressing and routing.

48. This device sends and receives information about the Network layer.
Transport
The Data Link layer frames packets received from the Network layer.
84:D2:43:B3
Router

49. When data is encapsulated - which is the correct order?
Data - segment - packet - frame - bit
3 - 2 - 1 - none
00001010.00001011.00001100.01100011
The Transport layer segments user data.

50. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
Transport
The Physical layer is responsible for the electrical and mechanical connections between devices.
11000000.10101000.00001010.00001111
D8:1B:3D:76