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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. Which layer is represented by frames?
To create more collision domains and to add more bandwidth for users.
132.210.184.166
The Data Link layer frames packets received from the Network layer.
RJ45 UTP rolled cable.

2. Which layer segments and reassembles data into a data stream?
Transport
To provide a means for the receiver to govern the amount of data sent by the sender.
Data Link
00001010.00001011.00001100.01100011

3. This device can measure the distance to a remote network.
The Data Link layer frames packets received from the Network layer.
Router
Data Link (LLC sublayer)
Transport

4. Which layer is responsible for creating - managing - and terminating sessions between applications?
The Session layer sets up - maintains - and terminates sessions between applications.
To create more collision domains and to add more bandwidth for users.
10101100.00010000.00010100.00110111
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.

5. Name four router functions.
Decrease the window size.
Packet switching - Packet filtering - Internetwork communication - Path selection
RJ45 UTP rolled cable.
Data Link (LLC sublayer)

6. Which layer is represented by bits?
D8:1B:3D:76
204.51.170.85
Hub
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

7. What is the bit length and expression form of a MAC address?
Buffering - windowing - congestion avoidance
198.211.57.209
48 bits (6 bytes)
Packet switching - Packet filtering - Internetwork communication - Path selection

8. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
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.
Transport
Data - segment - packet - frame - bit
183/B7

9. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
183/B7
204.51.170.85
Transport
Data Link

10. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
The Data Link layer frames packets received from the Network layer.
3 - 2 - 1 - none
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.
Network

11. This device sends and receives information about the Network layer.
Switch to switch - host to host - switch to host
Router
Data - segment - packet - frame - bit
RJ45 UTP rolled cable.

12. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
To provide a means for the receiver to govern the amount of data sent by the sender.
132.210.184.166
CA:F5:83:EB
To create more collision domains and to add more bandwidth for users.

13. This layer supports flow control and sequencing.
Packet switching - Packet filtering - Internetwork communication - Path selection
Transport
10101100.00010000.00010100.00110111
RJ45 UTP crossover cable.

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?
198.211.57.209
Hub and repeater
The Transport layer segments user data.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

15. This device uses hardware addresses to filter a network.
Packet switching - Packet filtering - Internetwork communication - Path selection
Bridge or switch
11000000.10101000.00001010.00001111
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

16. Name three types of connections that can use full duplex.
Packet switching - Packet filtering - Internetwork communication - Path selection
Switch to switch - host to host - switch to host
3 - 2 - 1 - none
The Session layer creates sessions between different hosts' applications.

17. What is the purpose of flow control?
Source and destination MAC address and FCS field
The Data Link layer frames packets received from the Network layer.
Bridge or switch
To provide a means for the receiver to govern the amount of data sent by the sender.

18. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
RJ45 UTP rolled cable.
To provide a means for the receiver to govern the amount of data sent by the sender.
Data Link (LLC sublayer)
Source and destination MAC address and FCS field

19. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
Decrease the window size.
D8:1B:3D:76
Data Link (LLC sublayer)
The Network layer provides logical addressing - typically IP addressing and routing.

20. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
48 bits (6 bytes)
The Network layer creates packets out of segments handed down from the Transport layer.
To provide a means for the receiver to govern the amount of data sent by the sender.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

21. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
Segments - packets - frames - bits
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
204.51.170.85
3 - 2 - 1 - none

22. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
48 bits (6 bytes)
Data - segment - packet - frame - bit
198.211.57.209
00001010.00001011.00001100.01100011

23. This device creates one big collision domain and one large broadcast domain.
Data Link (LLC sublayer)
Data - segment - packet - frame - bit
Segments - packets - frames - bits
Hub

24. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Layer 4
Fiber-opticcable
To create more collision domains and to add more bandwidth for users.
Router

25. Convert 10.11.12.99 to binary format.
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.
00001010.00001011.00001100.01100011
48 bits (6 bytes)

26. What are two purposes for segmentation with a bridge?
00001010.00001011.00001100.01100011
Hub
Decrease the window size.
To create more collision domains and to add more bandwidth for users.

27. This layer creates a virtual circuit before transmitting between two end stations.
Router
Transport
The Session layer creates sessions between different hosts' applications.
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

28. 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.
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.
Switch or bridge

29. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
The Transport layer segments user data.
Data - segment - packet - frame - bit
The Physical layer is responsible for the electrical and mechanical connections between devices.
Segments - packets - frames - bits

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

31. At which layer is routing implemented - enabling connections and path selection between two end systems?
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
204.51.170.85
Network
The Network layer provides routing through an internetwork and logical addressing.

32. What type of RJ45 UTP cable is used between switches?
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.
RJ45 UTP crossover cable.
Router

33. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
Switch or bridge
Bridge or switch
The Network layer provides logical addressing - typically IP addressing and routing.
132.210.184.166

34. When data is encapsulated - which is the correct order?
10101100.00010000.00010100.00110111
204.51.170.85
Data - segment - packet - frame - bit
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

35. 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.
CA:F5:83:EB
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
183/B7

36. Which of the following are 3 common types of flow control?
Packet switching - Packet filtering - Internetwork communication - Path selection
Switch to switch - host to host - switch to host
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

37. Convert 192.168.10.15 to binary format.
11000000.10101000.00001010.00001111
CA:F5:83:EB
Switch to switch - host to host - switch to host
The Transport layer segments user data.

38. Convert 172.16.20.55 to binary format.
198.211.57.209
The Data Link layer frames packets received from the Network layer.
The Session layer creates sessions between different hosts' applications.
10101100.00010000.00010100.00110111

39. Which layer is represented by packets?
The Network layer creates packets out of segments handed down from the Transport layer.
D8:1B:3D:76
Network
183/B7

40. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
Packet switching - Packet filtering - Internetwork communication - Path selection
Network
Data - segment - packet - frame - bit
The Presentation layer makes sure that data is in a readable format for the Application layer.

41. Which layer provides logical addressing that routers will use for path determination?
183/B7
84:D2:43:B3
RJ45 UTP rolled cable.
The Network layer provides logical addressing - typically IP addressing and routing.

42. This layer uses service access points.
The Data Link layer frames packets received from the Network layer.
Transport
Data Link (LLC sublayer)
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

43. Logical addressing is used at this layer.
Network
Buffering - windowing - congestion avoidance
Source and destination MAC address and FCS field
84:D2:43:B3

44. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
CA:F5:83:EB
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
Bridge or switch

45. Which layer is represented by segments?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
The Transport layer segments user data.
Data Link (LLC sublayer)
Switch or bridge

46. This device creates many smaller collision domains - but the network is still one large broadcast domain.
The Session layer sets up - maintains - and terminates sessions between applications.
RJ45 UTP crossover cable.
Buffering - windowing - congestion avoidance
Switch or bridge

47. This device breaks up collision domains and broadcast domains.
Router
Bridge or switch
The Network layer provides routing through an internetwork and logical addressing.
48 bits (6 bytes)

48. This device can never run full duplex.
The Session layer creates sessions between different hosts' applications.
Buffering - windowing - congestion avoidance
Hub
3 - 2 - 1 - none

49. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
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).
Network
Router
Data Link

50. 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?
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
The Network layer creates packets out of segments handed down from the Transport layer.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Hub