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 provides logical addressing that routers will use for path determination?
204.51.170.85
CA:F5:83:EB
The Network layer provides logical addressing - typically IP addressing and routing.
Source and destination MAC address and FCS field


2. This layer uses service access points.
To create more collision domains and to add more bandwidth for users.
183/B7
Data Link (LLC sublayer)
The Session layer sets up - maintains - and terminates sessions between applications.


3. Ethernet is defined at these layers.
Data Link & Physical
3 - 2 - 1 - none
Decrease the window size.
The Presentation layer makes sure that data is in a readable format for the Application layer.


4. Logical addressing is used at this layer.
The Network layer provides logical addressing - typically IP addressing and routing.
The Session layer sets up - maintains - and terminates sessions between applications.
Transport
Network


5. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
198.211.57.209
D8:1B:3D:76
Segments - packets - frames - bits
132.210.184.166


6. Name three types of connections that can use full duplex.
Switch to switch - host to host - switch to host
Decrease the window size.
Hub
The Network layer provides logical addressing - typically IP addressing and routing.


7. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
CA:F5:83:EB
183/B7
Source and destination MAC address and FCS field
The Network layer creates packets out of segments handed down from the Transport layer.


8. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
RJ45 UTP rolled cable.
Router
183/B7
3 - 2 - 1 - none


9. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
Network
Bridge or switch
CA:F5:83:EB
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).


10. Which layer is responsible for creating - managing - and terminating sessions between applications?
Transport
The Session layer sets up - maintains - and terminates sessions between applications.
Data Link
CA:F5:83:EB


11. When data is encapsulated - which is the correct order?
Data - segment - packet - frame - bit
The Network layer provides routing through an internetwork and logical addressing.
11000000.10101000.00001010.00001111
198.211.57.209


12. This layer creates a virtual circuit before transmitting between two end stations.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Network
Transport
84:D2:43:B3


13. This device can measure the distance to a remote network.
Network
The Data Link layer is responsible for the framing of data packets.
Router
The Data Link layer frames packets received from the Network layer.


14. Segmentation of a data stream happens at which layer of the OSI model?
10101100.00010000.00010100.00110111
The Session layer sets up - maintains - and terminates sessions between applications.
Router
Transport


15. 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 Transport layer user virtual circuits to create a reliable connection between two hosts.
CA:F5:83:EB
Segments - packets - frames - bits
The Data Link layer is responsible for the framing of data packets.


16. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
The Presentation layer makes sure that data is in a readable format for the Application layer.
The Network layer creates packets out of segments handed down from the Transport layer.
84:D2:43:B3
The Data Link layer is responsible for the framing of data packets.


17. This layer supports flow control and sequencing.
00001010.00001011.00001100.01100011
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 Data Link layer frames packets received from the Network layer.
Transport


18. This device breaks up collision domains and broadcast domains.
RJ45 UTP rolled cable.
The Session layer creates sessions between different hosts' applications.
Network
Router


19. Which layer is represented by segments?
48 bits (6 bytes)
Transport
The Transport layer segments user data.
The Transport layer user virtual circuits to create a reliable connection between two hosts.


20. Convert 172.16.20.55 to binary format.
Router
Hub
The Network layer creates packets out of segments handed down from the Transport layer.
10101100.00010000.00010100.00110111


21. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
10101100.00010000.00010100.00110111
183/B7
Transport
Router


22. Which layer is represented by packets?
132.210.184.166
Router
84:D2:43:B3
The Network layer creates packets out of segments handed down from the Transport layer.


23. 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?
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
The Presentation layer makes sure that data is in a readable format for the Application layer.
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).


24. Which layer is represented by frames?
The Presentation layer makes sure that data is in a readable format for the Application layer.
The Data Link layer frames packets received from the Network 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
Switch or bridge


25. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
Router
Network
132.210.184.166
Hub


26. What are two purposes for segmentation with a bridge?
The Network layer provides routing through an internetwork and logical addressing.
Router
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).
To create more collision domains and to add more bandwidth for users.


27. Which two fields are contained within an IEEE Ethernet frame header?
Source and destination MAC address and FCS field
The Data Link layer frames packets received from the Network layer.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
To provide a means for the receiver to govern the amount of data sent by the sender.


28. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
3 - 2 - 1 - none
Data Link
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
Network


29. 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.
D8:1B:3D:76
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


30. This device creates many smaller collision domains - but the network is still one large broadcast domain.
198.211.57.209
Hub
Switch or bridge
Data - segment - packet - frame - bit


31. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Fiber-opticcable
00001010.00001011.00001100.01100011
Data Link
The Network layer provides logical addressing - typically IP addressing and routing.


32. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
CA:F5:83:EB
The Physical layer is responsible for the electrical and mechanical connections between devices.
The Transport layer segments user data.
11000000.10101000.00001010.00001111


33. What is the bit length and expression form of a MAC address?
183/B7
84:D2:43:B3
48 bits (6 bytes)
Switch to switch - host to host - switch to host


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


35. What type of RJ45 UTP cable is used between switches?
The Transport layer segments user data.
Router
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
RJ45 UTP crossover cable.


36. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
Data - segment - packet - frame - bit
48 bits (6 bytes)
Hub and repeater
84:D2:43:B3


37. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
84:D2:43:B3
The Physical layer is responsible for the electrical and mechanical connections between devices.
RJ45 UTP crossover cable.
Segments - packets - frames - bits


38. Convert 10.11.12.99 to binary format.
The Presentation layer makes sure that data is in a readable format for the Application layer.
00001010.00001011.00001100.01100011
Transport
Layer 4


39. 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
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Router
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 segments user data.


40. Which layer segments and reassembles data into a data stream?
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
Segments - packets - frames - bits
183/B7


41. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Layer 4
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Switch to switch - host to host - switch to host
The Physical layer is responsible for the electrical and mechanical connections between devices.


42. This device uses hardware addresses to filter a network.
Segments - packets - frames - bits
Bridge or switch
Switch or bridge
The Session layer sets up - maintains - and terminates sessions between applications.


43. Convert 192.168.10.15 to binary format.
11000000.10101000.00001010.00001111
183/B7
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.


44. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
10101100.00010000.00010100.00110111
48 bits (6 bytes)
D8:1B:3D:76
The Network layer creates packets out of segments handed down from the Transport layer.


45. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
10101100.00010000.00010100.00110111
Data Link
84:D2:43:B3
Hub and repeater


46. Which layer is represented by bits?
D8:1B:3D:76
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
204.51.170.85
RJ45 UTP crossover cable.


47. This device creates one big collision domain and one large broadcast domain.
Hub
Router
132.210.184.166
Switch or bridge


48. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
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
To create more collision domains and to add more bandwidth for users.
84:D2:43:B3


49. 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.
D8:1B:3D:76
RJ45 UTP rolled cable.
Transport


50. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
Segments - packets - frames - bits
Hub
The Presentation layer makes sure that data is in a readable format for the Application layer.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.