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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 responsible for creating - managing - and terminating 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
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Hub and repeater
The Session layer sets up - maintains - and terminates sessions between applications.

2. At which layer is routing implemented - enabling connections and path selection between two end systems?
Network
198.211.57.209
11000000.10101000.00001010.00001111
The Network layer provides routing through an internetwork and logical addressing.

3. Name four router functions.
The Session layer sets up - maintains - and terminates sessions between applications.
The Network layer provides routing through an internetwork and logical addressing.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Packet switching - Packet filtering - Internetwork communication - Path selection

4. 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
The Physical layer is responsible for the electrical and mechanical connections between devices.
Router
The Transport layer user virtual circuits to create a reliable connection between two hosts.

5. When data is encapsulated - which is the correct order?
132.210.184.166
Fiber-opticcable
The Physical layer is responsible for the electrical and mechanical connections between devices.
Data - segment - packet - frame - bit

6. Convert 192.168.10.15 to binary format.
Hub
11000000.10101000.00001010.00001111
Segments - packets - frames - bits
Buffering - windowing - congestion avoidance

7. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
CA:F5:83:EB
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.
Layer 4
RJ45 UTP rolled cable.

8. This layer creates a virtual circuit before transmitting between two end stations.
The Physical layer is responsible for the electrical and mechanical connections between devices.
The Data Link layer frames packets received from the Network layer.
Transport
11000000.10101000.00001010.00001111

9. What is the purpose of flow control?
Switch or bridge
To provide a means for the receiver to govern the amount of data sent by the sender.
Layer 4
Transport

10. 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
Router
The Transport layer segments user data.
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 Transport layer user virtual circuits to create a reliable connection between two hosts.

11. What type of RJ45 UTP cable is used between switches?
D8:1B:3D:76
Hub
RJ45 UTP crossover cable.
Router

12. 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.
3 - 2 - 1 - none
Switch to switch - host to host - switch to host
Fiber-opticcable

13. Which two fields are contained within an IEEE Ethernet frame header?
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 frames packets received from the Network layer.
Data Link
Source and destination MAC address and FCS field

14. Which layer is represented by packets?
Hub
D8:1B:3D:76
The Network layer creates packets out of segments handed down from the Transport layer.
00001010.00001011.00001100.01100011

15. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
Network
The Physical layer is responsible for the electrical and mechanical connections between devices.
Decrease the window size.
48 bits (6 bytes)

16. Which layer is represented by segments?
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Switch or bridge
The Transport layer segments user data.
Packet switching - Packet filtering - Internetwork communication - Path selection

17. 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.
Transport
Transport
Router

18. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
Switch or bridge
Transport
00001010.00001011.00001100.01100011
The Presentation layer makes sure that data is in a readable format for the Application layer.

19. Convert 172.16.20.55 to binary format.
Data - segment - packet - frame - bit
To provide a means for the receiver to govern the amount of data sent by the sender.
10101100.00010000.00010100.00110111
The Physical layer is responsible for the electrical and mechanical connections between devices.

20. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
11000000.10101000.00001010.00001111
The Physical layer is responsible for the electrical and mechanical connections between devices.
Router
CA:F5:83:EB

21. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
D8:1B:3D:76
The Network layer provides logical addressing - typically IP addressing and routing.
00001010.00001011.00001100.01100011
Hub and repeater

22. Segmentation of a data stream happens at which layer of the OSI model?
Transport
Decrease the window size.
The Network layer provides routing through an internetwork and logical addressing.
204.51.170.85

23. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
The Transport layer segments user data.
Transport
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.

24. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
Layer 4
204.51.170.85
The Session layer sets up - maintains - and terminates sessions between applications.
Bridge or switch

25. This device sends and receives information about the Network layer.
132.210.184.166
Router
Hub and repeater
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

26. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
Network
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.
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.

27. Which layer is represented by bits?
Fiber-opticcable
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Network
Data Link (LLC sublayer)

28. Logical addressing is used at this layer.
Hub
Network
D8:1B:3D:76
00001010.00001011.00001100.01100011

29. This device can never run full duplex.
Source and destination MAC address and FCS field
Transport
Hub
Network

30. Name three types of connections that can use full duplex.
11000000.10101000.00001010.00001111
10101100.00010000.00010100.00110111
Transport
Switch to switch - host to host - switch to host

31. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
11000000.10101000.00001010.00001111
Network
Buffering - windowing - congestion avoidance
The Network layer provides routing through an internetwork and logical addressing.

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

33. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
The Session layer sets up - maintains - and terminates sessions between applications.
Hub
CA:F5:83:EB
3 - 2 - 1 - none

34. This device creates many smaller collision domains - but the network is still one large broadcast domain.
10101100.00010000.00010100.00110111
Transport
Segments - packets - frames - bits
Switch or bridge

35. This device can measure the distance to a remote network.
198.211.57.209
Router
Fiber-opticcable
00001010.00001011.00001100.01100011

36. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
198.211.57.209
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
D8:1B:3D:76
Layer 4

37. 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?
Decrease the window size.
CA:F5:83:EB
The Data Link layer is responsible for the framing of data packets.
The Transport layer user virtual circuits to create a reliable connection between two hosts.

38. Which layer provides logical addressing that routers will use for path determination?
Transport
Bridge or switch
The Presentation layer makes sure that data is in a readable format for the Application layer.
The Network layer provides logical addressing - typically IP addressing and routing.

39. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
Packet switching - Packet filtering - Internetwork communication - Path selection
The Session layer sets up - maintains - and terminates sessions between applications.
Data Link
Source and destination MAC address and FCS field

40. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
RJ45 UTP crossover cable.
The Session layer creates sessions between different hosts' applications.
132.210.184.166
Segments - packets - frames - bits

41. What are two purposes for segmentation with a bridge?
To create more collision domains and to add more bandwidth for users.
Router
Transport
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

42. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
D8:1B:3D:76
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
132.210.184.166
Router

43. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
132.210.184.166
Hub
48 bits (6 bytes)
Transport

44. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
Switch to switch - host to host - switch to host
The Data Link layer is responsible for the framing of data packets.
Router
To create more collision domains and to add more bandwidth for users.

45. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
Switch or bridge
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
D8:1B:3D:76

46. 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?
To create more collision domains and to add more bandwidth for users.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.

47. This layer uses service access points.
The Transport layer segments user data.
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.
Decrease the window size.
Data Link (LLC sublayer)

48. Which layer is represented by frames?
The Transport layer segments user data.
Transport
The Network layer creates packets out of segments handed down from the Transport layer.
The Data Link layer frames packets received from the Network layer.

49. This device creates one big collision domain and one large broadcast domain.
Hub
RJ45 UTP rolled cable.
Layer 4
The Transport layer user virtual circuits to create a reliable connection between two hosts.

50. What is the bit length and expression form of a MAC address?
The Data Link layer frames packets received from the Network layer.
48 bits (6 bytes)
RJ45 UTP crossover cable.
Layer 4