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Test your basic knowledge |
Cisco Prep
Start Test
Study First
Subjects
:
cisco
,
it-skills
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 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?
Transport
Switch to switch - host to host - switch to host
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Decrease the window size.
2. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
Bridge or switch
48 bits (6 bytes)
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Data Link (LLC sublayer)
3. 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.
The Network layer provides logical addressing - typically IP addressing and routing.
Segments - packets - frames - bits
3 - 2 - 1 - none
4. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Switch or bridge
183/B7
132.210.184.166
The Transport layer segments user data.
5. Which of the following are 3 common types of flow control?
The Session layer creates sessions between different hosts' applications.
Buffering - windowing - congestion avoidance
Transport
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.
6. This device creates one big collision domain and one large broadcast domain.
Hub
Decrease the window size.
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 Presentation layer makes sure that data is in a readable format for the Application layer.
7. This device uses hardware addresses to filter a network.
132.210.184.166
Bridge or switch
11000000.10101000.00001010.00001111
The Network layer creates packets out of segments handed down from the Transport layer.
8. Which layer is represented by packets?
D8:1B:3D:76
The Network layer creates packets out of segments handed down from the Transport layer.
48 bits (6 bytes)
Hub
9. Segmentation of a data stream happens at which layer of the OSI model?
Bridge or switch
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
10. This device can never run full duplex.
Transport
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Hub
3 - 2 - 1 - none
11. Logical addressing is used at this layer.
198.211.57.209
Network
The Session layer creates sessions between different hosts' applications.
Data - segment - packet - frame - bit
12. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
00001010.00001011.00001100.01100011
Network
The Session layer creates sessions between different hosts' applications.
Data - segment - packet - frame - bit
13. 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.
CA:F5:83:EB
The Network layer provides logical addressing - typically IP addressing and routing.
Network
14. At which layer is routing implemented - enabling connections and path selection between two end systems?
Source and destination MAC address and FCS field
Hub
11000000.10101000.00001010.00001111
The Network layer provides routing through an internetwork and logical addressing.
15. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
The Network layer creates packets out of segments handed down from the Transport layer.
198.211.57.209
The Network layer provides logical addressing - typically IP addressing and routing.
RJ45 UTP crossover cable.
16. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
The Network layer creates packets out of segments handed down from the Transport layer.
The Data Link layer is responsible for the framing of data packets.
The Session layer creates sessions between different hosts' applications.
204.51.170.85
17. This device can measure the distance to a remote network.
Data Link (LLC sublayer)
Source and destination MAC address and FCS field
84:D2:43:B3
Router
18. This device sends and receives information about the Network layer.
Transport
CA:F5:83:EB
To create more collision domains and to add more bandwidth for users.
Router
19. Which layer is responsible for keeping the data from different applications separate on the network?
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on line
183
20. What is the purpose of flow control?
The Network layer creates packets out of segments handed down from the Transport layer.
To provide a means for the receiver to govern the amount of data sent by the sender.
Switch or bridge
183/B7
21. Convert 172.16.20.55 to binary format.
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 Presentation layer makes sure that data is in a readable format for the Application layer.
10101100.00010000.00010100.00110111
The Transport layer segments user data.
22. Name three types of connections that can use full duplex.
00001010.00001011.00001100.01100011
The Transport layer user virtual circuits to create a reliable connection between two hosts.
RJ45 UTP rolled cable.
Switch to switch - host to host - switch to host
23. Convert 10.11.12.99 to binary format.
00001010.00001011.00001100.01100011
183/B7
The Data Link layer is responsible for the framing of data packets.
D8:1B:3D:76
24. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
Fiber-opticcable
CA:F5:83:EB
The Transport layer user virtual circuits to create a reliable connection between two hosts.
The Physical layer is responsible for the electrical and mechanical connections between devices.
25. Which layer is responsible for creating - managing - and terminating sessions between applications?
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).
The Session layer sets up - maintains - and terminates sessions between applications.
26. Which layer segments and reassembles data into a data stream?
The Physical layer is responsible for the electrical and mechanical connections between devices.
Data Link (LLC sublayer)
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
27. Convert 192.168.10.15 to binary format.
The Network layer provides logical addressing - typically IP addressing and routing.
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).
11000000.10101000.00001010.00001111
CA:F5:83:EB
28. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Layer 4
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Decrease the window size.
The Session layer sets up - maintains - and terminates sessions between applications.
29. What type of RJ45 UTP cable is used between switches?
Router
48 bits (6 bytes)
RJ45 UTP crossover cable.
The Presentation layer makes sure that data is in a readable format for the Application layer.
30. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
Router
Packet switching - Packet filtering - Internetwork communication - Path selection
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.
31. This layer creates a virtual circuit before transmitting between two end stations.
Hub
Transport
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 is responsible for the framing of data packets.
32. When data is encapsulated - which is the correct order?
RJ45 UTP crossover cable.
Buffering - windowing - congestion avoidance
Data - segment - packet - frame - bit
Fiber-opticcable
33. Which two fields are contained within an IEEE Ethernet frame header?
Network
The Session layer sets up - maintains - and terminates sessions between applications.
Transport
Source and destination MAC address and FCS field
34. This device breaks up collision domains and broadcast domains.
Network
The Physical layer is responsible for the electrical and mechanical connections between devices.
3 - 2 - 1 - none
Router
35. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
The Physical layer is responsible for the electrical and mechanical connections between devices.
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.
Transport
36. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
Data - segment - packet - frame - bit
The Network layer creates packets out of segments handed down from the Transport layer.
The Presentation layer makes sure that data is in a readable format for the Application layer.
Router
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?
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.
Decrease the window size.
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.
38. Which layer is represented by segments?
198.211.57.209
Router
The Presentation layer makes sure that data is in a readable format for the Application layer.
The Transport layer segments user data.
39. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
Data Link
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Layer 4
The Network layer provides routing through an internetwork and logical addressing.
40. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
The Network layer creates packets out of segments handed down from the Transport layer.
Bridge or switch
To create more collision domains and to add more bandwidth for users.
132.210.184.166
41. 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.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Router
CA:F5:83:EB
42. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Fiber-opticcable
84:D2:43:B3
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Switch or bridge
43. Which layer is represented by frames?
00001010.00001011.00001100.01100011
The Data Link layer frames packets received from the Network layer.
10101100.00010000.00010100.00110111
D8:1B:3D:76
44. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
Layer 4
The Transport layer segments user data.
D8:1B:3D:76
The Session layer sets up - maintains - and terminates sessions between applications.
45. This layer supports flow control and sequencing.
Data Link (LLC sublayer)
Hub
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Transport
46. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
Packet switching - Packet filtering - Internetwork communication - Path selection
To provide a means for the receiver to govern the amount of data sent by the sender.
Source and destination MAC address and FCS field
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
47. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
The Physical layer is responsible for the electrical and mechanical connections between devices.
Segments - packets - frames - bits
204.51.170.85
Bridge or switch
48. What are two purposes for segmentation with a bridge?
Fiber-opticcable
To create more collision domains and to add more bandwidth for users.
The Transport layer segments user data.
Hub and repeater
49. 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 and repeater
The Network layer creates packets out of segments handed down from the Transport layer.
11000000.10101000.00001010.00001111
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. Ethernet is defined at these layers.
Decrease the window size.
132.210.184.166
Data Link & Physical
Data Link