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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. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?
Router
Transport
RJ45 UTP rolled cable.
Decrease the window size.
2. Which layer is represented by packets?
D8:1B:3D:76
The Network layer creates packets out of segments handed down from the Transport layer.
The Data Link layer frames packets received from the Network layer.
204.51.170.85
3. 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
To create more collision domains and to add more bandwidth for users.
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).
3 - 2 - 1 - none
Segments - packets - frames - bits
4. Which layer specifies voltage - wire speed - and pinout cables and moves bits between devices?
204.51.170.85
The Physical layer is responsible for the electrical and mechanical connections between devices.
The Presentation layer makes sure that data is in a readable format for the Application layer.
The Network layer provides logical addressing - typically IP addressing and routing.
5. Put the following in order of encapsulation: Packets - Frames - Bits - Segments
11000000.10101000.00001010.00001111
The Physical layer is responsible for the electrical and mechanical connections between devices.
Segments - packets - frames - bits
Switch or bridge
6. Convert 10000100.11010010.10111000.10100110 to decimal IP format.
132.210.184.166
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.
48 bits (6 bytes)
Decrease the window size.
7. This layer supports flow control and sequencing.
Transport
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
The Data Link layer is responsible for the framing of data packets.
132.210.184.166
8. Which of the following are 3 common types of flow control?
Data - segment - packet - frame - bit
The Network layer provides logical addressing - typically IP addressing and routing.
Buffering - windowing - congestion avoidance
Transport
9. Name four router functions.
Packet switching - Packet filtering - Internetwork communication - Path selection
132.210.184.166
Data - segment - packet - frame - bit
Network
10. Convert 11011000.00011011.00111101.01110110 to hexadecimal format.
D8:1B:3D:76
Data Link
RJ45 UTP rolled cable.
Switch or bridge
11. This device sends and receives information about the Network layer.
Router
To provide a means for the receiver to govern the amount of data sent by the sender.
The Session layer sets up - maintains - and terminates sessions between applications.
The Session layer creates sessions between different hosts' applications.
12. This device creates one big collision domain and one large broadcast domain.
D8:1B:3D:76
Hub
10101100.00010000.00010100.00110111
Router
13. This device uses hardware addresses to filter a network.
Router
Router
Bridge or switch
Network
14. 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?
The Transport layer segments user data.
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.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
15. Convert 11001100.00110011.10101010.01010101 to decimal IP format.
D8:1B:3D:76
Router
204.51.170.85
The Data Link layer is responsible for the framing of data packets.
16. 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.
Hub and repeater
Network
Router
17. Convert 192.168.10.15 to binary format.
Transport
11000000.10101000.00001010.00001111
Decrease the window size.
The Data Link layer is responsible for the framing of data packets.
18. Convert 172.16.20.55 to binary format.
Router
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.
10101100.00010000.00010100.00110111
Switch or bridge
19. This device creates many smaller collision domains - but the network is still one large broadcast domain.
Bridge or switch
Switch to switch - host to host - switch to host
Switch or bridge
To create more collision domains and to add more bandwidth for users.
20. Convert 11000110.11010011.00111001.11010001 to decimal IP format.
Packet switching - Packet filtering - Internetwork communication - Path selection
10101100.00010000.00010100.00110111
The Physical layer is responsible for the electrical and mechanical connections between devices.
198.211.57.209
21. This device breaks up collision domains and broadcast domains.
48 bits (6 bytes)
Bridge or switch
Router
Buffering - windowing - congestion avoidance
22. Segmentation of a data stream happens at which layer of the OSI model?
Buffering - windowing - congestion avoidance
Transport
D8:1B:3D:76
RJ45 UTP rolled cable.
23. Which layer is responsible for keeping the data from different applications separate on the network?
24. Which layer defines how data is formatted - presented - encoded - and converted for use on the network?
132.210.184.166
84:D2:43:B3
To create more collision domains and to add more bandwidth for users.
The Presentation layer makes sure that data is in a readable format for the Application layer.
25. You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Router
Switch or bridge
Fiber-opticcable
To create more collision domains and to add more bandwidth for users.
26. Which layer is represented by bits?
To create more collision domains and to add more bandwidth for users.
The Physical layer is responsible for transporting 1s and 0s in a digital signal.
Bridge or switch
CA:F5:83:EB
27. 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.
The Session layer sets up - maintains - and terminates sessions between applications.
Transport
Fiber-opticcable
28. Routers operate at layer __. LAN switches operate at layer __. Ethernet hubs operate at layer __. Word processing operates at layer __.
The Session layer creates sessions between different hosts' applications.
Hub and repeater
CA:F5:83:EB
3 - 2 - 1 - none
29. What is the purpose of flow control?
Switch to switch - host to host - switch to host
Hub and repeater
To provide a means for the receiver to govern the amount of data sent by the sender.
Transport
30. What is the bit length and expression form of a MAC address?
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.
84:D2:43:B3
Network
48 bits (6 bytes)
31. Which layer is responsible for creating - managing - and terminating sessions between applications?
The Transport layer segments user data.
Decrease the window size.
10101100.00010000.00010100.00110111
The Session layer sets up - maintains - and terminates sessions between applications.
32. At which layer is routing implemented - enabling connections and path selection between two end systems?
132.210.184.166
The Network layer provides routing through an internetwork and logical addressing.
Hub and repeater
Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
33. What are two purposes for segmentation with a bridge?
RJ45 UTP rolled cable.
PDUs at the Data Link layer are called frames. AS soon as you see frame in a question - you know the answer.
To create more collision domains and to add more bandwidth for users.
Source and destination MAC address and FCS field
34. Which two fields are contained within an IEEE Ethernet frame header?
Hub and repeater
Source and destination MAC address and FCS field
Packet switching - Packet filtering - Internetwork communication - Path selection
RJ45 UTP crossover cable.
35. Name three types of connections that can use full duplex.
RJ45 UTP rolled cable.
To create more collision domains and to add more bandwidth for users.
The Transport layer segments user data.
Switch to switch - host to host - switch to host
36. This device can measure the distance to a remote network.
The Network layer provides logical addressing - typically IP addressing and routing.
198.211.57.209
The Presentation layer makes sure that data is in a readable format for the Application layer.
Router
37. Logical addressing is used at this layer.
To provide a means for the receiver to govern the amount of data sent by the sender.
Network
183/B7
00001010.00001011.00001100.01100011
38. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
00001010.00001011.00001100.01100011
Data - segment - packet - frame - bit
The Network layer provides routing through an internetwork and logical addressing.
Hub and repeater
39. Convert 10.11.12.99 to binary format.
Hub and repeater
00001010.00001011.00001100.01100011
To provide a means for the receiver to govern the amount of data sent by the sender.
The Transport layer user virtual circuits to create a reliable connection between two hosts.
40. What type of RJ45 UTP cable is used between switches?
Router
Switch or bridge
RJ45 UTP crossover cable.
The Data Link layer frames packets received from the Network layer.
41. Acknowledgments - sequencing - and flow control are characteristics of which OSI layer?
The Presentation layer makes sure that data is in a readable format for the Application 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
10101100.00010000.00010100.00110111
42. 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?
RJ45 UTP crossover cable.
The Physical layer is responsible for the electrical and mechanical connections between devices.
Decrease the window size.
00001010.00001011.00001100.01100011
43. You have the following binary number: 10110111 - What are the decimal and hexadecimal equivalents?
204.51.170.85
183/B7
The Session layer sets up - maintains - and terminates sessions between applications.
48 bits (6 bytes)
44. Convert 11001010.11110101.10000011.11101011 to hexadecimal format.
Layer 4
183/B7
CA:F5:83:EB
Switch or bridge
45. Which layer combines bits into bytes and bytes into frames - uses MAC addressing - and provides error detection?
Buffering - windowing - congestion avoidance
The Network layer provides routing through an internetwork and logical addressing.
The Data Link layer is responsible for the framing of data packets.
The Network layer provides logical addressing - typically IP addressing and routing.
46. 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?
CA:F5:83:EB
Buffering - windowing - congestion avoidance
204.51.170.85
The Transport layer user virtual circuits to create a reliable connection between two hosts.
47. This layer uses service access points.
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).
Router
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.
48. 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.
Switch to switch - host to host - switch to host
RJ45 UTP crossover cable.
RJ45 UTP rolled cable.
49. Which layer provides the physical transmission of the data and handles error notification - network topology - and flow control?
To create more collision domains and to add more bandwidth for users.
Data Link
Hub and repeater
Switch or bridge
50. Which layer manages device addressing - tracks the location of devices on the network - and determines the best way to move data?
The Presentation layer makes sure that data is in a readable format for the Application layer.
3 - 2 - 1 - none
Network
D8:1B:3D:76