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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. When data is encapsulated - which is the correct order?
Router
Data Link (LLC sublayer)
Data - segment - packet - frame - bit
Decrease the window size.
2. Ethernet is defined at these layers.
Transport
Data Link & Physical
D8:1B:3D:76
Hub
3. 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.
Source and destination MAC address and FCS field
Switch or bridge
Switch to switch - host to host - switch to host
4. Convert 192.168.10.15 to binary format.
11000000.10101000.00001010.00001111
Transport
The Network layer provides routing through an internetwork and logical addressing.
Network
5. 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
132.210.184.166
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).
84:D2:43:B3
The Session layer creates sessions between different hosts' applications.
6. Which layer is represented by segments?
The Transport layer segments user data.
132.210.184.166
Hub
To create more collision domains and to add more bandwidth for users.
7. Which layer is responsible for keeping the data from different applications separate on the network?
8. This device creates many smaller collision domains - but the network is still one large broadcast domain.
204.51.170.85
Segments - packets - frames - bits
Switch or bridge
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
9. Convert 172.16.20.55 to binary format.
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).
10101100.00010000.00010100.00110111
Buffering - windowing - congestion avoidance
10. Which layer segments and reassembles data into a data stream?
Router
Hub
The Session layer creates sessions between different hosts' applications.
Transport
11. At which layer is routing implemented - enabling connections and path selection between two end systems?
The Network layer creates packets out of segments handed down from the Transport layer.
Source and destination MAC address and FCS field
Decrease the window size.
The Network layer provides routing through an internetwork and logical addressing.
12. This device can measure the distance to a remote network.
132.210.184.166
Segments - packets - frames - bits
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Router
13. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Data Link & Physical
Network
The Transport layer user virtual circuits to create a reliable connection between two hosts.
14. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
Bridge or switch
D8:1B:3D:76
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Segments - packets - frames - bits
15. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
The Data Link layer is responsible for the framing of data packets.
204.51.170.85
D8:1B:3D:76
CA:F5:83:EB
16. What is the bit length and expression form of a MAC address?
Segments - packets - frames - bits
Hub
48 bits (6 bytes)
84:D2:43:B3
17. 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.
Transport
The Physical layer is responsible for the electrical and mechanical connections between devices.
Switch or bridge
18. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
3 - 2 - 1 - none
Data Link
Data Link & Physical
Router
19. 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?
Switch or bridge
00001010.00001011.00001100.01100011
The Data Link layer frames packets received from the Network layer.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
20. This device creates one big collision domain and one large broadcast domain.
Hub
183/B7
84:D2:43:B3
48 bits (6 bytes)
21. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
132.210.184.166
10101100.00010000.00010100.00110111
Router
The Physical layer is responsible for the electrical and mechanical connections between devices.
22. This device can never run full duplex.
The Network layer creates packets out of segments handed down from the Transport layer.
Hub
Layer 4
Hub and repeater
23. What are two purposes for segmentation with a bridge?
10101100.00010000.00010100.00110111
D8:1B:3D:76
To create more collision domains and to add more bandwidth for users.
Layer 4
24. Which of the following are 3 common types of flow control?
The Network layer creates packets out of segments handed down from the Transport layer.
The Transport layer segments user data.
Source and destination MAC address and FCS field
Buffering - windowing - congestion avoidance
25. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
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.
204.51.170.85
Buffering - windowing - congestion avoidance
26. What type of RJ45 UTP cable is used between switches?
CA:F5:83:EB
Hub and repeater
11000000.10101000.00001010.00001111
RJ45 UTP crossover cable.
27. Which layer is responsible for converting data packets from the Data Link layer into electrical signals?
00001010.00001011.00001100.01100011
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 Physical layer is responsible for the electrical and mechanical connections between devices.
To provide a means for the receiver to govern the amount of data sent by the sender.
28. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? (Name two)
D8:1B:3D:76
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.
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
198.211.57.209
29. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
Switch to switch - host to host - switch to host
Transport
Layer 4
Router
30. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
The Network layer provides logical addressing - typically IP addressing and routing.
Segments - packets - frames - bits
Buffering - windowing - congestion avoidance
The Session layer sets up - maintains - and terminates sessions between applications.
31. This layer uses service access points.
Network
The Transport layer user virtual circuits to create a reliable connection between two hosts.
Data Link (LLC sublayer)
10101100.00010000.00010100.00110111
32. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
Source and destination MAC address and FCS field
Transport
183/B7
The Data Link layer is responsible for the framing of data packets.
33. Name three types of connections that can use full duplex.
Switch to switch - host to host - switch to host
Hub
D8:1B:3D:76
132.210.184.166
34. Logical addressing is used at this layer.
Router
Network
00001010.00001011.00001100.01100011
The Physical layer is responsible for the electrical and mechanical connections between devices.
35. What is the purpose of flow control?
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.
To provide a means for the receiver to govern the amount of data sent by the sender.
D8:1B:3D:76
36. This device breaks up collision domains and broadcast domains.
Router
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
The Presentation layer makes sure that data is in a readable format for the Application layer.
Packet switching - Packet filtering - Internetwork communication - Path selection
37. Convert 10000100.11010010.01000011.10110011 to hexadecimal format.
Source and destination MAC address and FCS field
84:D2:43:B3
Router
The Presentation layer makes sure that data is in a readable format for the Application layer.
38. Segmentation of a data stream happens at which layer of the OSI model?
Transport
Hub
Data Link (LLC sublayer)
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
39. Why does the data communication industry use the layered OSI reference model? (Name two)
48 bits (6 bytes)
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.
198.211.57.209
Buffering - windowing - congestion avoidance
40. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
CA:F5:83:EB
The Transport layer segments user data.
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.
Fiber-opticcable
41. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
Transport
00001010.00001011.00001100.01100011
The Presentation layer makes sure that data is in a readable format for the Application layer.
Hub
42. Which layer provides logical addressing that routers will use for path determination?
Buffering - windowing - congestion avoidance
Data Link
The Network layer provides logical addressing - typically IP addressing and routing.
Fiber-opticcable
43. This device uses hardware addresses to filter a network.
The Network layer provides logical addressing - typically IP addressing and routing.
Data Link & Physical
198.211.57.209
Bridge or switch
44. 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 Data Link layer frames packets received from the Network layer.
Hub
The Session layer sets up - maintains - and terminates sessions between applications.
45. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
RJ45 UTP crossover cable.
132.210.184.166
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Bridge or switch
46. Which layer is responsible for creating - managing - and terminating sessions between applications?
The Session layer sets up - maintains - and terminates sessions between applications.
The Transport layer segments user data.
The Presentation layer makes sure that data is in a readable format for the Application layer.
Hub
47. Which two fields are contained within an IEEE Ethernet frame header?
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
Router
Transport
Source and destination MAC address and FCS field
48. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
3 - 2 - 1 - none
Source and destination MAC address and FCS field
Packet switching - Packet filtering - Internetwork communication - Path selection
The Physical layer is responsible for the electrical and mechanical connections between devices.
49. Which layer is represented by bits?
RJ45 UTP rolled cable.
Transport
The Data Link layer frames packets received from the Network layer.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
50. Convert 10.11.12.99 to binary format.
Hub and repeater
204.51.170.85
00001010.00001011.00001100.01100011
11000000.10101000.00001010.00001111