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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. What is the bit length and expression form of a MAC address?
204.51.170.85
48 bits (6 bytes)
84:D2:43:B3
Layer 4

2. Segmentation of a data stream happens at which layer of the OSI model?
To provide a means for the receiver to govern the amount of data sent by the sender.
To create more collision domains and to add more bandwidth for users.
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.

3. This device creates one big collision domain and one large broadcast domain.
Hub
10101100.00010000.00010100.00110111
CA:F5:83:EB
The Network layer creates packets out of segments handed down from the Transport layer.

4. Ethernet is defined at these layers.
Data Link & Physical
84:D2:43:B3
The Physical layer is responsible for the electrical and mechanical connections between devices.
Data Link

5. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
CA:F5:83:EB
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.
Hub
The Physical layer is responsible for the electrical and mechanical connections between devices.

6. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
Switch or bridge
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Network
Buffering - windowing - congestion avoidance

7. What is the purpose of flow control?
D8:1B:3D:76
84:D2:43:B3
The Physical layer is responsible for the electrical and mechanical connections between devices.
To provide a means for the receiver to govern the amount of data sent by the sender.

8. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
183/B7
48 bits (6 bytes)
Layer 4
198.211.57.209

9. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
Data Link
183/B7
00001010.00001011.00001100.01100011
Packet switching - Packet filtering - Internetwork communication - Path selection

10. Convert 172.16.20.55 to binary format.
10101100.00010000.00010100.00110111
Packet switching - Packet filtering - Internetwork communication - Path selection
The Network layer provides routing through an internetwork and logical addressing.
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.

11. Which layer segments and reassembles data into a data stream?
11000000.10101000.00001010.00001111
Transport
Data Link (LLC sublayer)
The Data Link layer is responsible for the framing of data packets.

12. Which layer is represented by packets?
RJ45 UTP crossover cable.
The Network layer provides routing through an internetwork and logical addressing.
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

13. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
The Transport layer user virtual circuits to create a reliable connection between two hosts.
The Network layer provides routing through an internetwork and logical addressing.
10101100.00010000.00010100.00110111
RJ45 UTP rolled cable.

14. Which layer is represented by frames?
The Data Link layer frames packets received from the Network layer.
204.51.170.85
183/B7
The Data Link layer is responsible for the framing of data packets.

15. Which layer provides logical addressing that routers will use for path determination?
198.211.57.209
The Network layer provides logical addressing - typically IP addressing and routing.
Segments - packets - frames - bits
Buffering - windowing - congestion avoidance

16. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
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.
Data Link
The Network layer provides routing through an internetwork and logical addressing.
Segments - packets - frames - bits

17. This device breaks up collision domains and broadcast domains.
To provide a means for the receiver to govern the amount of data sent by the sender.
Router
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.

18. Convert 11000110.11010011.00111001.11010001 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.
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
198.211.57.209
Transport

19. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
11000000.10101000.00001010.00001111
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
Data - segment - packet - frame - bit

20. 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
Hub
The Physical layer is responsible for the electrical and mechanical connections between devices.
00001010.00001011.00001100.01100011
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).

21. What type of RJ45 UTP cable is used between switches?
84:D2:43:B3
Data Link & Physical
Fiber-opticcable
RJ45 UTP crossover cable.

22. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
Transport
84:D2:43:B3
198.211.57.209
The Session layer sets up - maintains - and terminates sessions between applications.

23. Which of the following are 3 common types of flow control?
Data Link
Network
Fiber-opticcable
Buffering - windowing - congestion avoidance

24. What are two purposes for segmentation with a bridge?
To create more collision domains and to add more bandwidth for users.
Fiber-opticcable
3 - 2 - 1 - none
The Data Link layer frames packets received from the Network layer.

25. This device creates many smaller collision domains - but the network is still one large broadcast domain.
D8:1B:3D:76
Router
The Session layer sets up - maintains - and terminates sessions between applications.
Switch or bridge

26. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
Hub
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
Hub and repeater

27. This layer creates a virtual circuit before transmitting between two end stations.
The Transport layer segments user data.
Data Link (LLC sublayer)
Transport
Router

28. This layer uses service access points.
132.210.184.166
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
198.211.57.209
Data Link (LLC sublayer)

29. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
RJ45 UTP rolled cable.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
CA:F5:83:EB
132.210.184.166

30. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
Hub and repeater
204.51.170.85
Source and destination MAC address and FCS field
Decrease the window size.

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

32. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Layer 4
3 - 2 - 1 - none
Switch to switch - host to host - switch to host
Router

33. 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 Network layer creates packets out of segments handed down from the Transport layer.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Data - segment - packet - frame - bit
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

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?
CA:F5:83:EB
204.51.170.85
The Transport layer user virtual circuits to create a reliable connection between two hosts.
198.211.57.209

35. This layer supports flow control and sequencing.
Transport
Network
The Session layer creates sessions between different hosts' applications.
To create more collision domains and to add more bandwidth for users.

36. Logical addressing is used at this layer.
The Network layer provides logical addressing - typically IP addressing and routing.
Network
Data Link & Physical
The Physical layer is responsible for the electrical and mechanical connections between devices.

37. Which two fields are contained within an IEEE Ethernet frame header?
Source and destination MAC address and FCS field
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
183/B7
198.211.57.209

38. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
Hub
CA:F5:83:EB
D8:1B:3D:76
To provide a means for the receiver to govern the amount of data sent by the sender.

39. 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.
Router
Segments - packets - frames - bits
CA:F5:83:EB

40. This device can never run full duplex.
Decrease the window size.
Hub
10101100.00010000.00010100.00110111
The Data Link layer frames packets received from the Network layer.

41. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
Layer 4
The Presentation layer makes sure that data is in a readable format for the Application layer.
Network
3 - 2 - 1 - none

42. This device can measure the distance to a remote network.
Bridge or switch
Fiber-opticcable
Router
Hub

43. Which layer is responsible for creating - managing - and terminating sessions between applications?
Transport
Data Link
The Data Link layer is responsible for the framing of data packets.
The Session layer sets up - maintains - and terminates sessions between applications.

44. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
RJ45 UTP crossover cable.
Hub
48 bits (6 bytes)
3 - 2 - 1 - none

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

46. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
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
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

47. Convert 10.11.12.99 to binary format.
The Transport layer segments user data.
Transport
The Network layer creates packets out of segments handed down from the Transport layer.
00001010.00001011.00001100.01100011

48. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
Layer 4
The Data Link layer is responsible for the framing of data packets.
Network
Transport

49. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
CA:F5:83:EB
Segments - packets - frames - bits
00001010.00001011.00001100.01100011
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).

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