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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. This device can never run full duplex.
Hub
Segments - packets - frames - bits
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
RJ45 UTP crossover cable.
2. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Network
Router
Router
Switch or bridge
3. Which of the following are 3 common types of flow control?
Buffering - windowing - congestion avoidance
3 - 2 - 1 - none
The Network layer provides routing through an internetwork and logical addressing.
132.210.184.166
4. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
Hub
Transport
The Presentation layer makes sure that data is in a readable format for the Application layer.
D8:1B:3D:76
5. What are two unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
Data Link
Router
Buffering - windowing - congestion avoidance
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
6. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
84:D2:43:B3
Data Link & Physical
204.51.170.85
The Presentation layer makes sure that data is in a readable format for the Application layer.
7. Which layer is represented by frames?
The Data Link layer frames packets received from the Network layer.
Network
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
204.51.170.85
8. Which layer is represented by segments?
The Transport layer segments user data.
The Session layer creates sessions between different hosts' applications.
To create more collision domains and to add more bandwidth for users.
The Data Link layer is responsible for the framing of data packets.
9. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
Network
The Network layer provides logical addressing - typically IP addressing and routing.
84:D2:43:B3
CA:F5:83:EB
10. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
10101100.00010000.00010100.00110111
D8:1B:3D:76
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.
11000000.10101000.00001010.00001111
11. 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.
Hub
3 - 2 - 1 - none
The Transport layer segments user data.
12. What is the bit length and expression form of a MAC address?
48 bits (6 bytes)
The Presentation layer makes sure that data is in a readable format for the Application layer.
Layer 4
00001010.00001011.00001100.01100011
13. This device sends and receives information about 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.
Router
Segments - packets - frames - bits
Network
14. 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?
183/B7
Bridge or switch
Hub and repeater
Decrease the window size.
15. Which layer provides logical addressing that routers will use for path determination?
The Transport layer segments user data.
The Data Link layer frames packets received from the Network layer.
To provide a means for the receiver to govern the amount of data sent by the sender.
The Network layer provides logical addressing - typically IP addressing and routing.
16. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
Switch to switch - host to host - switch to host
183/B7
The Transport layer user virtual circuits to create a reliable connection between two hosts.
84:D2:43:B3
17. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
Hub and repeater
Decrease the window size.
The Network layer creates packets out of segments handed down from the Transport layer.
The Session layer sets up - maintains - and terminates sessions between applications.
18. 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 Physical layer is responsible for transporting 1s and 0s in a digital signal.
198.211.57.209
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Decrease the window size.
19. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
To create more collision domains and to add more bandwidth for users.
Segments - packets - frames - bits
Transport
The Presentation layer makes sure that data is in a readable format for the Application layer.
20. Convert 10.11.12.99 to binary format.
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).
Hub and repeater
00001010.00001011.00001100.01100011
D8:1B:3D:76
21. Which layer is represented by packets?
Network
Hub
The Network layer creates packets out of segments handed down from the Transport layer.
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).
22. Name four router functions.
Switch to switch - host to host - switch to host
84:D2:43:B3
Packet switching - Packet filtering - Internetwork communication - Path selection
3 - 2 - 1 - none
23. What type of RJ45 UTP cable is used between switches?
Transport
The Data Link layer frames packets received from the Network layer.
RJ45 UTP crossover cable.
48 bits (6 bytes)
24. Ethernet is defined at these layers.
00001010.00001011.00001100.01100011
Data Link & Physical
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
25. What is the purpose of flow control?
To provide a means for the receiver to govern the amount of data sent by the sender.
D8:1B:3D:76
Switch or bridge
198.211.57.209
26. Which layer segments and reassembles data into a data stream?
Source and destination MAC address and FCS field
Data - segment - packet - frame - bit
48 bits (6 bytes)
Transport
27. 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.
Network
Hub
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
28. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
204.51.170.85
Decrease the window size.
198.211.57.209
RJ45 UTP crossover cable.
29. Which two fields are contained within an IEEE Ethernet frame header?
3 - 2 - 1 - none
The Data Link layer is responsible for the framing of data packets.
Source and destination MAC address and FCS field
Network
30. 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 and repeater
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Data Link & Physical
31. This device can measure the distance to a remote network.
Switch to switch - host to host - switch to host
Router
CA:F5:83:EB
The Transport layer segments user data.
32. When data is encapsulated - which is the correct order?
RJ45 UTP crossover cable.
132.210.184.166
Data - segment - packet - frame - bit
The Presentation layer makes sure that data is in a readable format for the Application layer.
33. Segmentation of a data stream happens at which layer of the OSI model?
Transport
84:D2:43:B3
Data Link (LLC sublayer)
D8:1B:3D:76
34. This device uses hardware addresses to filter a network.
Transport
Hub and repeater
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Bridge or switch
35. Which layer is represented by bits?
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
D8:1B:3D:76
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
10101100.00010000.00010100.00110111
36. Which layer is responsible for keeping the data from different applications separate on the network?
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37. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
Switch to switch - host to host - switch to host
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 Network layer creates packets out of segments handed down from the Transport layer.
3 - 2 - 1 - none
38. This layer supports flow control and sequencing.
Router
Switch or bridge
Transport
The Network layer creates packets out of segments handed down from the Transport layer.
39. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
The Session layer sets up - maintains - and terminates sessions between applications.
The Network layer provides logical addressing - typically IP addressing and routing.
The Data Link layer frames packets received from the Network layer.
The Physical layer is responsible for the electrical and mechanical connections between devices.
40. 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
The Data Link layer frames packets received from the Network layer.
Data Link & Physical
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 is responsible for the framing of data packets.
41. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Fiber-opticcable
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.
42. Convert 172.16.20.55 to binary format.
The Data Link layer is responsible for the framing of data packets.
The Session layer creates sessions between different hosts' applications.
The Physical layer is responsible for the electrical and mechanical connections between devices.
10101100.00010000.00010100.00110111
43. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
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
CA:F5:83:EB
Network
Data Link
44. This device creates one big collision domain and one large broadcast domain.
Segments - packets - frames - bits
Hub
The Data Link layer frames packets received from the Network layer.
RJ45 UTP crossover cable.
45. This layer creates a virtual circuit before transmitting between two end stations.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Transport
Router
Data Link (LLC sublayer)
46. This layer uses service access points.
Data Link (LLC sublayer)
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.
The Network layer provides routing through an internetwork and logical addressing.
47. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Router
Layer 4
Data Link (LLC sublayer)
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
48. 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
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
Hub
49. Logical addressing is used at this layer.
D8:1B:3D:76
183/B7
To provide a means for the receiver to govern the amount of data sent by the sender.
Network
50. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
Transport
Buffering - windowing - congestion avoidance
The Data Link layer is responsible for the framing of data packets.
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).