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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 10000100.11010010.01000011.10110011 to hexadecimal format.
84:D2:43:B3
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Bridge or switch
Router

2. This device breaks up collision domains and broadcast domains.
The Data Link layer is responsible for the framing of data packets.
To provide a means for the receiver to govern the amount of data sent by the sender.
Router
To create more collision domains and to add more bandwidth for users.

3. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
Layer 4
The Network layer creates packets out of segments handed down from the Transport layer.
CA:F5:83:EB
204.51.170.85

4. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
183/B7
3 - 2 - 1 - none
The Data Link layer is responsible for the framing of data packets.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

5. This device can never run full duplex.
Transport
Data Link
Hub
The Network layer creates packets out of segments handed down from the Transport layer.

6. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
RJ45 UTP rolled cable.
To provide a means for the receiver to govern the amount of data sent by the sender.
132.210.184.166

7. 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.
204.51.170.85
Decrease the window size.
Transport

8. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
Switch or bridge
Transport
The Data Link layer is responsible for the framing of data packets.
Network

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

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

11. Which layer segments and reassembles data into a data stream?
The Data Link layer is responsible for the framing of data packets.
The Session layer creates sessions between different hosts' applications.
84:D2:43:B3
Transport

12. Why does the data communication industry use the layered OSI reference model? (Name two)
The Transport layer segments user data.
Decrease the window size.
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.

13. Which of the following are 3 common types of flow control?
Network
Decrease the window size.
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

14. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
10101100.00010000.00010100.00110111
Network
Segments - packets - frames - bits
To provide a means for the receiver to govern the amount of data sent by the sender.

15. Convert 10.11.12.99 to binary format.
RJ45 UTP crossover cable.
84:D2:43:B3
00001010.00001011.00001100.01100011
204.51.170.85

16. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
00001010.00001011.00001100.01100011
Packet switching - Packet filtering - Internetwork communication - Path selection
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Data Link

17. Which layer is represented by segments?
The Transport layer segments user data.
The Data Link layer is responsible for the framing of data packets.
Hub and repeater
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

18. Which layer is represented by packets?
The Network layer creates packets out of segments handed down from the Transport layer.
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
The Transport layer segments user data.

19. Which layer provides logical addressing that routers will use for path determination?
The Network layer provides logical addressing - typically IP addressing and routing.
To create more collision domains and to add more bandwidth for users.
3 - 2 - 1 - none
Network

20. What type of RJ45 UTP cable is used between switches?
00001010.00001011.00001100.01100011
RJ45 UTP crossover 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
The Network layer creates packets out of segments handed down from the Transport layer.

21. What is the purpose of flow control?
132.210.184.166
Data Link
To provide a means for the receiver to govern the amount of data sent by the sender.
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.

22. Which layer is represented by frames?
The Data Link layer frames packets received from the Network layer.
Packet switching - Packet filtering - Internetwork communication - Path selection
Decrease the window size.
Network

23. Ethernet is defined at these layers.
RJ45 UTP crossover cable.
Network
Buffering - windowing - congestion avoidance
Data Link & Physical

24. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Transport
Switch or bridge
Hub and repeater

25. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
132.210.184.166
Transport
Source and destination MAC address and FCS field
Switch to switch - host to host - switch to host

26. Convert 172.16.20.55 to binary format.
The Transport layer segments user data.
10101100.00010000.00010100.00110111
3 - 2 - 1 - none
Buffering - windowing - congestion avoidance

27. Which two fields are contained within an IEEE Ethernet frame header?
Source and destination MAC address and FCS field
Transport
Decrease the window size.
Switch or bridge

28. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
Buffering - windowing - congestion avoidance
Hub
D8:1B:3D:76
Decrease the window size.

29. When data is encapsulated - which is the correct order?
Source and destination MAC address and FCS field
Segments - packets - frames - bits
Transport
Data - segment - packet - frame - bit

30. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
The Presentation layer makes sure that data is in a readable format for the Application layer.
Data Link & Physical
The Data Link layer frames packets received from the Network layer.
204.51.170.85

31. What are two purposes for segmentation with a bridge?
To create more collision domains and to add more bandwidth for users.
Router
Fiber-opticcable
CA:F5:83:EB

32. Segmentation of a data stream happens at which layer of the OSI model?
The Session layer sets up - maintains - and terminates sessions between applications.
183/B7
Switch to switch - host to host - switch to host
Transport

33. This device uses hardware addresses to filter a network.
Bridge or switch
Network
Transport
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.

34. 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 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).
183/B7
The Transport layer user virtual circuits to create a reliable connection between two hosts.
To provide a means for the receiver to govern the amount of data sent by the sender.

35. At which layer is routing implemented - enabling connections and path selection between two end systems?
The Network layer creates packets out of segments handed down from the Transport layer.
The Network layer provides routing through an internetwork and logical addressing.
Router
The Transport layer user virtual circuits to create a reliable connection between two hosts.

36. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Data Link (LLC sublayer)
183/B7
48 bits (6 bytes)

37. Which layer is represented by bits?
11000000.10101000.00001010.00001111
Packet switching - Packet filtering - Internetwork communication - Path selection
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
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

38. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
11000000.10101000.00001010.00001111
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.
Packet switching - Packet filtering - Internetwork communication - Path selection

39. Name four router functions.
The Data Link layer frames packets received from the Network layer.
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
Packet switching - Packet filtering - Internetwork communication - Path selection

40. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at 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.
Buffering - windowing - congestion avoidance
Switch or bridge
3 - 2 - 1 - none

41. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
CA:F5:83:EB
Network
The Session layer creates sessions between different hosts' applications.
Packet switching - Packet filtering - Internetwork communication - Path selection

42. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Hub
3 - 2 - 1 - none
Layer 4
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

43. This layer creates a virtual circuit before transmitting between two end stations.
Hub and repeater
RJ45 UTP crossover cable.
Transport
To create more collision domains and to add more bandwidth for users.

44. Name three types of connections that can use full duplex.
Switch to switch - host to host - switch to host
The Physical layer is responsible for the electrical and mechanical connections between devices.
Data Link (LLC sublayer)
Layer 4

45. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
The Data Link layer frames packets received from the Network layer.
Data Link (LLC sublayer)
The Network layer provides routing through an internetwork and logical addressing.
Fiber-opticcable

46. What is the bit length and expression form of a MAC address?
Data Link & Physical
132.210.184.166
48 bits (6 bytes)
The Transport layer segments user data.

47. This device creates many smaller collision domains - but the network is still one large broadcast domain.
RJ45 UTP rolled cable.
Fiber-opticcable
Layer 4
Switch or bridge

48. 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.
Source and destination MAC address and FCS field
D8:1B:3D:76
The Session layer sets up - maintains - and terminates sessions between applications.

49. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
198.211.57.209
Hub and repeater
Data Link
Network

50. This device sends and receives information about the Network layer.
10101100.00010000.00010100.00110111
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.
Router
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.