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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 11011000.00011011.00111101.01110110 to hexadecimal format.
The Presentation layer makes sure that data is in a readable format for the Application 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).
D8:1B:3D:76
3 - 2 - 1 - none

2. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
Transport
CA:F5:83:EB
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

3. 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 Transport layer user virtual circuits to create a reliable connection between two hosts.
The Network layer provides logical addressing - typically IP addressing and routing.
Router
183/B7

4. Ethernet is defined at these layers.
Data Link & Physical
Source and destination MAC address and FCS field
Router
Bridge or switch

5. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
RJ45 UTP crossover cable.
Packet switching - Packet filtering - Internetwork communication - Path selection
Hub and repeater
Data Link

6. Convert 10000100.11010010.01000011.10110011 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.
D8:1B:3D:76
84:D2:43:B3
10101100.00010000.00010100.00110111

7. What is the bit length and expression form of a MAC address?
Fiber-opticcable
Transport
Packet switching - Packet filtering - Internetwork communication - Path selection
48 bits (6 bytes)

8. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
84:D2:43:B3
The Data Link layer is responsible for the framing of data packets.
Packet switching - Packet filtering - Internetwork communication - Path selection
To provide a means for the receiver to govern the amount of data sent by the sender.

9. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Segments - packets - frames - bits
Router
Switch or bridge
Data Link

10. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
198.211.57.209
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.
Data - segment - packet - frame - bit

11. Which layer is represented by frames?
The Data Link layer frames packets received from the Network layer.
Network
The Session layer sets up - maintains - and terminates sessions between applications.
3 - 2 - 1 - none

12. Name three types of connections that can use full duplex.
Data - segment - packet - frame - bit
RJ45 UTP rolled cable.
Transport
Switch to switch - host to host - switch to host

13. Which layer is represented by bits?
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.
Router
Data Link & Physical

14. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
The Session layer creates sessions between different hosts' applications.
204.51.170.85
Buffering - windowing - congestion avoidance
To provide a means for the receiver to govern the amount of data sent by the sender.

15. Which layer is represented by segments?
Data Link
The Presentation layer makes sure that data is in a readable format for the Application layer.
Data Link (LLC sublayer)
The Transport layer segments user data.

16. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
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.
D8:1B:3D:76
The Session layer sets up - maintains - and terminates sessions between applications.
Segments - packets - frames - bits

17. At which layer is routing implemented - enabling connections and path selection between two end systems?
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 Session layer creates sessions between different hosts' applications.
Fiber-opticcable
The Network layer provides routing through an internetwork and logical addressing.

18. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Fiber-opticcable
Source and destination MAC address and FCS field
84:D2:43:B3
CA:F5:83:EB

19. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
Transport
132.210.184.166
Transport
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

20. This device can never run full duplex.
Layer 4
Fiber-opticcable
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Hub

21. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
The Physical layer is responsible for the electrical and mechanical connections between devices.
84:D2:43:B3
The Session layer sets up - maintains - and terminates sessions between applications.
10101100.00010000.00010100.00110111

22. 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?
Decrease the window size.
Router
The Physical layer is responsible for the electrical and mechanical connections between devices.
84:D2:43:B3

23. This device breaks up collision domains and broadcast domains.
Router
Data Link
Switch or bridge
00001010.00001011.00001100.01100011

24. Which of the following are 3 common types of flow control?
Buffering - windowing - congestion avoidance
Network
The Transport layer user virtual circuits to create a reliable connection between two hosts.
00001010.00001011.00001100.01100011

25. 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?
Data Link & Physical
RJ45 UTP rolled cable.
Segments - packets - frames - bits
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

26. Convert 10.11.12.99 to binary format.
198.211.57.209
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
00001010.00001011.00001100.01100011
The Data Link layer is responsible for the framing of data packets.

27. This layer creates a virtual circuit before transmitting between two end stations.
RJ45 UTP rolled cable.
Transport
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 Physical layer is responsible for the electrical and mechanical connections between devices.

28. What is the purpose of flow control?
84:D2:43:B3
To provide a means for the receiver to govern the amount of data sent by the sender.
Packet switching - Packet filtering - Internetwork communication - Path selection
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.

29. 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
Data Link & Physical
48 bits (6 bytes)
The Network layer creates packets out of segments handed down from the Transport 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).

30. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
Transport
Transport
183/B7
Segments - packets - frames - bits

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

32. Logical addressing is used at this layer.
Network
D8:1B:3D:76
CA:F5:83:EB
84:D2:43:B3

33. Which layer segments and reassembles data into a data stream?
Transport
RJ45 UTP crossover cable.
Decrease the window size.
204.51.170.85

34. 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.
Network
11000000.10101000.00001010.00001111
Buffering - windowing - congestion avoidance

35. Which layer is represented by packets?
The Network layer creates packets out of segments handed down from the Transport layer.
Data Link & Physical
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 provides routing through an internetwork and logical addressing.

36. This device sends and receives information about the Network layer.
183/B7
The Network layer provides logical addressing - typically IP addressing and routing.
Fiber-opticcable
Router

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

38. This device uses hardware addresses to filter a network.
The Data Link layer is responsible for the framing of data packets.
Bridge or switch
RJ45 UTP rolled cable.
Network

39. Which two fields are contained within an IEEE Ethernet frame header?
Data Link & Physical
Source and destination MAC address and FCS field
The Network layer provides logical addressing - typically IP addressing and routing.
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.

40. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
Data Link (LLC sublayer)
198.211.57.209
Buffering - windowing - congestion avoidance
Segments - packets - frames - bits

41. This layer uses service access points.
Data Link (LLC sublayer)
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
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.

42. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
Hub and repeater
Switch or bridge
Hub
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

43. This device can measure the distance to a remote network.
Router
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 Network layer creates packets out of segments handed down from the Transport layer.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

44. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
Network
RJ45 UTP crossover cable.
Hub
10101100.00010000.00010100.00110111

45. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
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.
Network
Layer 4

46. When data is encapsulated - which is the correct order?
Data - segment - packet - frame - bit
The Transport layer segments user data.
84:D2:43:B3
Hub

47. Convert 172.16.20.55 to binary format.
10101100.00010000.00010100.00110111
The Data Link layer is responsible for the framing of data packets.
D8:1B:3D:76
Network

48. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
Segments - packets - frames - bits
Hub
The Presentation layer makes sure that data is in a readable format for the Application layer.
Transport

49. Which layer is responsible for creating - managing - and terminating sessions between applications?
Data Link & Physical
Decrease the window size.
The Session layer sets up - maintains - and terminates sessions between applications.
Hub

50. 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
132.210.184.166
Transport
The Data Link layer frames packets received from the Network layer.