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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. 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?
Router
Decrease the window size.
The Network layer provides logical addressing - typically IP addressing and routing.
The Session layer sets up - maintains - and terminates sessions between applications.
2. This layer creates a virtual circuit before transmitting between two end stations.
The Network layer provides logical addressing - typically IP addressing and routing.
The Session layer sets up - maintains - and terminates sessions between applications.
The Network layer provides routing through an internetwork and logical addressing.
Transport
3. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Router
CA:F5:83:EB
Switch or bridge
To provide a means for the receiver to govern the amount of data sent by the sender.
4. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
132.210.184.166
Switch to switch - host to host - switch to host
Hub
Fiber-opticcable
5. Which of the following are 3 common types of flow control?
Buffering - windowing - congestion avoidance
Fiber-opticcable
Router
Source and destination MAC address and FCS field
6. 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.
204.51.170.85
Hub
Transport
7. This device uses hardware addresses to filter a network.
CA:F5:83:EB
Transport
Bridge or switch
Data Link & Physical
8. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
Segments - packets - frames - bits
11000000.10101000.00001010.00001111
Router
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
9. 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?
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
CA:F5:83:EB
The Transport layer user virtual circuits to create a reliable connection between two hosts.
132.210.184.166
10. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
198.211.57.209
The Transport layer user virtual circuits to create a reliable connection between two hosts.
The Session layer creates sessions between different hosts' applications.
132.210.184.166
11. Name three types of connections that can use full duplex.
Switch to switch - host to host - switch to host
Data Link & Physical
Source and destination MAC address and FCS field
Switch or bridge
12. This device sends and receives information about the Network layer.
Switch or bridge
RJ45 UTP crossover cable.
Router
Buffering - windowing - congestion avoidance
13. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
Transport
Hub
3 - 2 - 1 - none
48 bits (6 bytes)
14. When data is encapsulated - which is the correct order?
The Network layer creates packets out of segments handed down from the Transport layer.
RJ45 UTP rolled cable.
Data - segment - packet - frame - bit
3 - 2 - 1 - none
15. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
183/B7
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 Link & Physical
The Transport layer user virtual circuits to create a reliable connection between two hosts.
16. Logical addressing is used at this layer.
Segments - packets - frames - bits
CA:F5:83:EB
Network
Switch to switch - host to host - switch to host
17. Convert 172.16.20.55 to binary format.
The Transport layer segments user data.
10101100.00010000.00010100.00110111
Decrease the window size.
Hub
18. Convert 10.11.12.99 to binary format.
To provide a means for the receiver to govern the amount of data sent by the sender.
Router
The Presentation layer makes sure that data is in a readable format for the Application layer.
00001010.00001011.00001100.01100011
19. 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).
Decrease the window size.
RJ45 UTP rolled cable.
Source and destination MAC address and FCS field
20. Name four router functions.
To provide a means for the receiver to govern the amount of data sent by the sender.
Packet switching - Packet filtering - Internetwork communication - Path selection
Transport
Fiber-opticcable
21. Which layer is responsible for keeping the data from different applications separate on the network?
22. Convert 192.168.10.15 to binary format.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
11000000.10101000.00001010.00001111
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
23. Which layer is represented by packets?
The Network layer creates packets out of segments handed down from the Transport layer.
198.211.57.209
Transport
Data Link
24. At which layer is routing implemented - enabling connections and path selection between two end systems?
84:D2:43:B3
The Network layer provides routing through an internetwork and logical addressing.
Data - segment - packet - frame - bit
Network
25. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
Buffering - windowing - congestion avoidance
Hub and repeater
Hub
The Physical layer is responsible for the electrical and mechanical connections between devices.
26. Acknowledgments - sequencing - and flow control are characteristics of which OSI 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).
Layer 4
00001010.00001011.00001100.01100011
11000000.10101000.00001010.00001111
27. 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
Data Link
The Session layer sets up - maintains - and terminates sessions between applications.
00001010.00001011.00001100.01100011
28. Which layer is represented by segments?
Hub
The Transport layer segments user data.
Layer 4
Data - segment - packet - frame - bit
29. Which layer provides logical addressing that routers will use for path determination?
Fiber-opticcable
Switch or bridge
The Network layer provides logical addressing - typically IP addressing and routing.
204.51.170.85
30. Why does the data communication industry use the layered OSI reference model? (Name two)
Hub
10101100.00010000.00010100.00110111
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
31. 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.
Fiber-opticcable
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
204.51.170.85
32. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
Network
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 Data Link layer is responsible for the framing of data packets.
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
33. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
Transport
The Presentation layer makes sure that data is in a readable format for the Application layer.
198.211.57.209
Buffering - windowing - congestion avoidance
34. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
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
3 - 2 - 1 - none
35. This device creates one big collision domain and one large broadcast domain.
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).
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.
Hub
36. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
Router
The Network layer provides logical addressing - typically IP addressing and routing.
The Physical layer is responsible for the electrical and mechanical connections between devices.
Data Link
37. This device can never run full duplex.
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
Transport
Transport
38. Convert 11001100.00110011.10101010.01010101 to decimal IP 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.
204.51.170.85
Data - segment - packet - frame - bit
The Network layer provides routing through an internetwork and logical addressing.
39. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
Network
Data Link & Physical
Transport
The Data Link layer is responsible for the framing of data packets.
40. Ethernet is defined at these layers.
Data Link & Physical
Router
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
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
41. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Fiber-opticcable
132.210.184.166
Source and destination MAC address and FCS field
Hub
42. Which layer is represented by bits?
Fiber-opticcable
The Network layer provides logical addressing - typically IP addressing and routing.
The Session layer creates sessions between different hosts' applications.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
43. This layer uses service access points.
Data Link & Physical
204.51.170.85
183/B7
Data Link (LLC sublayer)
44. What is the bit length and expression form of a MAC address?
48 bits (6 bytes)
The Network layer provides routing through an internetwork and logical addressing.
Transport
Data Link & Physical
45. Which layer segments and reassembles data into a data stream?
Transport
Packet switching - Packet filtering - Internetwork communication - Path selection
Hub and repeater
Source and destination MAC address and FCS field
46. 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 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
The Session layer creates sessions between different hosts' applications.
00001010.00001011.00001100.01100011
47. What are two purposes for segmentation with a bridge?
The Network layer provides logical addressing - typically IP addressing and routing.
Network
The Physical layer is responsible for the electrical and mechanical connections between devices.
To create more collision domains and to add more bandwidth for users.
48. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
Network
198.211.57.209
The Transport layer segments user data.
49. What is the purpose of flow control?
Source and destination MAC address and FCS field
CA:F5:83:EB
The Network layer provides logical addressing - typically IP addressing and routing.
To provide a means for the receiver to govern the amount of data sent by the sender.
50. This layer supports flow control and sequencing.
Transport
The Presentation layer makes sure that data is in a readable format for the Application layer.
Router
Data - segment - packet - frame - bit
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