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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 two fields are contained within an IEEE Ethernet frame header?
To create more collision domains and to add more bandwidth for users.
Source and destination MAC address and FCS field
Data - segment - packet - frame - bit
The Transport layer user virtual circuits to create a reliable connection between two hosts.

2. This device creates one big collision domain and one large broadcast domain.
The Physical layer is responsible for the electrical and mechanical connections between devices.
Router
Data - segment - packet - frame - bit
Hub

3. Which of the following are 3 common types of flow control?
Network
Buffering - windowing - congestion avoidance
11000000.10101000.00001010.00001111
The Physical layer is responsible for transporting 1s and 0s in a digital signal.

4. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
Segments - packets - frames - bits
Data Link
To create more collision domains and to add more bandwidth for users.
To provide a means for the receiver to govern the amount of data sent by the sender.

5. Name four router functions.
Packet switching - Packet filtering - Internetwork communication - Path selection
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
Buffering - windowing - congestion avoidance

6. 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?
CA:F5:83:EB
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Decrease the window size.
D8:1B:3D:76

7. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
Packet switching - Packet filtering - Internetwork communication - Path selection
The Data Link layer is responsible for the framing of data packets.
132.210.184.166
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.

8. Logical addressing is used at this layer.
Network
The Network layer provides logical addressing - typically IP addressing and routing.
RJ45 UTP crossover cable.
Switch or bridge

9. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
The Session layer creates sessions between different hosts' applications.
48 bits (6 bytes)
Data Link
Router

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

11. This layer uses service access points.
Data Link (LLC sublayer)
10101100.00010000.00010100.00110111
Router
RJ45 UTP crossover cable.

12. When data is encapsulated - which is the correct order?
The Transport layer segments user data.
Bridge or switch
Data - segment - packet - frame - bit
Source and destination MAC address and FCS field

13. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Bridge or switch
48 bits (6 bytes)
3 - 2 - 1 - none
Fiber-opticcable

14. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
Network
Transport
Transport
To provide a means for the receiver to govern the amount of data sent by the sender.

15. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
Buffering - windowing - congestion avoidance
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
CA:F5:83:EB
Hub and repeater

16. Which layer segments and reassembles data into a data stream?
Transport
The Network layer creates packets out of segments handed down from the Transport layer.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
132.210.184.166

17. 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?
Network
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Buffering - windowing - congestion avoidance
Packet switching - Packet filtering - Internetwork communication - Path selection

18. Which layer provides logical addressing that routers will use for path determination?
132.210.184.166
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 provides logical addressing - typically IP addressing and routing.
RJ45 UTP rolled cable.

19. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
The Network layer provides logical addressing - typically IP addressing and routing.
D8:1B:3D:76
To create more collision domains and to add more bandwidth for users.
183/B7

20. At which layer is routing implemented - enabling connections and path selection between two end systems?
Data Link & Physical
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 provides routing through an internetwork and logical addressing.
The Network layer provides logical addressing - typically IP addressing and routing.

21. 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 (LLC sublayer)
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 Data Link layer is responsible for the framing of data packets.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

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

23. This layer supports flow control and sequencing.
The Data Link layer is responsible for the framing of data packets.
Router
Transport
D8:1B:3D:76

24. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Data Link (LLC sublayer)
204.51.170.85
Layer 4

25. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at 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).
Switch to switch - host to host - switch to host
3 - 2 - 1 - none
84:D2:43:B3

26. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
The Session layer creates sessions between different hosts' applications.
RJ45 UTP crossover cable.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
RJ45 UTP rolled cable.

27. What is the purpose of flow control?
To provide a means for the receiver to govern the amount of data sent by the sender.
Bridge or switch
183/B7
Fiber-opticcable

28. Which layer is represented by packets?
The Session layer creates sessions between different hosts' applications.
The Network layer creates packets out of segments handed down from the Transport layer.
198.211.57.209
RJ45 UTP crossover cable.

29. This device sends and receives information about the Network layer.
The Data Link layer frames packets received from the Network layer.
Router
Data Link & Physical
198.211.57.209

30. Name three types of connections that can use full duplex.
Hub
Switch to switch - host to host - switch to host
The Network layer provides logical addressing - typically IP addressing and routing.
The Network layer creates packets out of segments handed down from the Transport layer.

31. This device creates many smaller collision domains - but the network is still one large broadcast domain.
The Session layer creates sessions between different hosts' applications.
Network
The Network layer provides routing through an internetwork and logical addressing.
Switch or bridge

32. Which layer is represented by frames?
198.211.57.209
The Data Link layer frames packets received from the Network layer.
The Network layer provides logical addressing - typically IP addressing and routing.
Router

33. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
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
84:D2:43:B3
Switch to switch - host to host - switch to host

34. Convert 192.168.10.15 to binary format.
Switch to switch - host to host - switch to host
3 - 2 - 1 - none
11000000.10101000.00001010.00001111
198.211.57.209

35. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
Data - segment - packet - frame - bit
Network
198.211.57.209
84:D2:43:B3

36. Convert 10.11.12.99 to binary format.
84:D2:43:B3
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.
00001010.00001011.00001100.01100011
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

37. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
132.210.184.166
The Physical layer is responsible for the electrical and mechanical connections between devices.
198.211.57.209
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

38. Which layer is represented by segments?
Source and destination MAC address and FCS field
The Transport layer segments user data.
Hub and repeater
The Data Link layer frames packets received from the Network layer.

39. What is the bit length and expression form of a MAC address?
84:D2:43:B3
48 bits (6 bytes)
RJ45 UTP rolled cable.
The Network layer creates packets out of segments handed down from the Transport layer.

40. Segmentation of a data stream happens at which layer of the OSI model?
Packet switching - Packet filtering - Internetwork communication - Path selection
Transport
11000000.10101000.00001010.00001111
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.

41. This device can never run full duplex.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
10101100.00010000.00010100.00110111
RJ45 UTP crossover cable.
Hub

42. This device can measure the distance to a remote network.
3 - 2 - 1 - none
Router
Hub
The Network layer provides logical addressing - typically IP addressing and routing.

43. This device breaks up collision domains and broadcast domains.
Transport
Packet switching - Packet filtering - Internetwork communication - Path selection
The Data Link layer frames packets received from the Network layer.
Router

44. 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.
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 transporting 1s and 0s in a digital signal.
Hub

45. Which layer is represented by 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.
The Network layer provides logical addressing - typically IP addressing and routing.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Data - segment - packet - frame - bit

46. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
RJ45 UTP crossover cable.
Data Link & Physical
Hub and repeater
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.

47. 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?
The Physical layer is responsible for the electrical and mechanical connections between devices.
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.
Data Link

48. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
Segments - packets - frames - bits
84:D2:43:B3
The Session layer sets up - maintains - and terminates sessions between applications.
183/B7

49. This layer creates a virtual circuit before transmitting between two end stations.
Switch to switch - host to host - switch to host
Transport
Network
Source and destination MAC address and FCS field

50. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
84:D2:43:B3
132.210.184.166
Data - segment - packet - frame - bit
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.