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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. This device creates one big collision domain and one large broadcast domain.
Source and destination MAC address and FCS field
Hub
Bridge or switch
Switch to switch - host to host - switch to host

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

3. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
The Transport layer segments user data.
Transport
Layer 4
Transport

4. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
Hub and repeater
Transport
Data Link
D8:1B:3D:76

5. Which two fields are contained within an IEEE Ethernet frame header?
Source and destination MAC address and FCS field
10101100.00010000.00010100.00110111
The Data Link layer is responsible for the framing of data packets.
The Data Link layer frames packets received from the Network layer.

6. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
The Transport layer segments user data.
204.51.170.85
CA:F5:83:EB
Packet switching - Packet filtering - Internetwork communication - Path selection

7. What is the purpose of flow control?
00001010.00001011.00001100.01100011
Network
To provide a means for the receiver to govern the amount of data sent by the sender.
CA:F5:83:EB

8. When data is encapsulated - which is the correct order?
CA:F5:83:EB
The Data Link layer is responsible for the framing of data packets.
Hub and repeater
Data - segment - packet - frame - bit

9. Which of the following are 3 common types of flow control?
RJ45 UTP rolled cable.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Buffering - windowing - congestion avoidance
11000000.10101000.00001010.00001111

10. 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?
183/B7
RJ45 UTP rolled cable.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Buffering - windowing - congestion avoidance

11. 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
84:D2:43:B3
Switch or bridge
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).
Transport

12. This device can measure the distance to a remote network.
Transport
00001010.00001011.00001100.01100011
Router
The Session layer creates sessions between different hosts' applications.

13. Segmentation of a data stream happens at which layer of the OSI model?
Transport
11000000.10101000.00001010.00001111
Data Link
Hub

14. What is the bit length and expression form of a MAC address?
10101100.00010000.00010100.00110111
Switch to switch - host to host - switch to host
48 bits (6 bytes)
Transport

15. Why does the data communication industry use the layered OSI reference model? (Name two)
48 bits (6 bytes)
The Presentation layer makes sure that data is in a readable format for the Application 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.
Data - segment - packet - frame - bit

16. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
Transport
198.211.57.209
The Session layer sets up - maintains - and terminates sessions between 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

17. Ethernet is defined at these layers.
84:D2:43:B3
The Session layer creates sessions between different hosts' applications.
Data Link & Physical
The Network layer provides routing through an internetwork and logical addressing.

18. Which layer is responsible for creating - managing - and terminating sessions between applications?
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 Session layer sets up - maintains - and terminates sessions between applications.
Bridge or switch
The Network layer provides logical addressing - typically IP addressing and routing.

19. This device sends and receives information about the Network layer.
The Network layer creates packets out of segments handed down from the Transport layer.
Router
Network
84:D2:43:B3

20. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
The Data Link layer frames packets received from the Network layer.
The Network layer creates packets out of segments handed down from the Transport layer.
CA:F5:83:EB
183/B7

21. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
3 - 2 - 1 - none
Network
D8:1B:3D:76
Transport

22. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
00001010.00001011.00001100.01100011
183/B7
RJ45 UTP crossover cable.
Hub

23. This layer supports flow control and sequencing.
Decrease the window size.
00001010.00001011.00001100.01100011
Transport
Data - segment - packet - frame - bit

24. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
Transport
The Physical layer is responsible for the electrical and mechanical connections between devices.
Fiber-opticcable
The Network layer provides routing through an internetwork and logical addressing.

25. Name four router functions.
Packet switching - Packet filtering - Internetwork communication - Path selection
D8:1B:3D:76
183/B7
Router

26. At which layer is routing implemented - enabling connections and path selection between two end systems?
To provide a means for the receiver to govern the amount of data sent by the sender.
198.211.57.209
RJ45 UTP crossover cable.
The Network layer provides routing through an internetwork and logical addressing.

27. Convert 10.11.12.99 to binary format.
Segments - packets - frames - bits
00001010.00001011.00001100.01100011
Hub
The Transport layer segments user data.

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

29. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
Router
00001010.00001011.00001100.01100011
3 - 2 - 1 - none
183/B7

30. Which layer provides logical addressing that routers will use for path determination?
The Network layer provides logical addressing - typically IP addressing and routing.
The Session layer sets up - maintains - and terminates sessions between applications.
The Physical layer is responsible for the electrical and mechanical connections between devices.
Fiber-opticcable

31. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
The Session layer creates sessions between different hosts' applications.
Hub and repeater
Layer 4
00001010.00001011.00001100.01100011

32. Convert 192.168.10.15 to binary format.
11000000.10101000.00001010.00001111
Data Link & Physical
Layer 4
RJ45 UTP crossover cable.

33. This device breaks up collision domains and broadcast domains.
00001010.00001011.00001100.01100011
Router
Data - segment - packet - frame - bit
To create more collision domains and to add more bandwidth for users.

34. Name three types of connections that can use full duplex.
Switch to switch - host to host - switch to host
204.51.170.85
00001010.00001011.00001100.01100011
To create more collision domains and to add more bandwidth for users.

35. Which layer is represented by segments?
3 - 2 - 1 - none
Data - segment - packet - frame - bit
To provide a means for the receiver to govern the amount of data sent by the sender.
The Transport layer segments user data.

36. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
Hub
Data Link
198.211.57.209
The Data Link layer is responsible for the framing of data packets.

37. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
Network
Transport
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
198.211.57.209

38. Which layer is represented by frames?
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Buffering - windowing - congestion avoidance
The Data Link layer frames packets received from the Network layer.
The Network layer creates packets out of segments handed down from the Transport layer.

39. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
84:D2:43:B3
Source and destination MAC address and FCS field
Router
The Network layer creates packets out of segments handed down from the Transport layer.

40. What are two purposes for segmentation with a bridge?
Hub
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.
Data Link & Physical

41. This device can never run full duplex.
Data Link
Hub
183/B7
Hub and repeater

42. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
Segments - packets - frames - bits
Switch or bridge
The Network layer provides logical addressing - typically IP addressing and routing.
3 - 2 - 1 - none

43. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
132.210.184.166
The Presentation layer makes sure that data is in a readable format for the Application layer.
Network
Data Link

44. Logical addressing is used at this layer.
Switch to switch - host to host - switch to host
Network
Data Link
10101100.00010000.00010100.00110111

45. This layer creates a virtual circuit before transmitting between two end stations.
To create more collision domains and to add more bandwidth for users.
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).
Transport
Hub and repeater

46. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
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
RJ45 UTP rolled cable.
Data Link (LLC sublayer)

47. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Network
Layer 4
Data Link (LLC sublayer)
Fiber-opticcable

48. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
Data Link & Physical
To create more collision domains and to add more bandwidth for users.
48 bits (6 bytes)
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

49. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
11000000.10101000.00001010.00001111
The Network layer creates packets out of segments handed down from the Transport 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.
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

50. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
132.210.184.166
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
10101100.00010000.00010100.00110111
The Session layer creates sessions between different hosts' applications.