Computer Knowledge
Computer Networks
2,256 Questions
Computer networks form the backbone of digital communication, connecting multiple devices to share data and resources. This area covers network architectures, transmission media, modems, and topologies like LAN. These concepts are crucial for computer knowledge sections in banking and government exams.
Network topologiesModulation and demodulationNetwork addressingFiber optic cablesWireless infrastructure
Computer Networks Questions
What is the role of spectrum sharing in 5G development?
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To increase spectrum efficiency
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To reduce interference
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To improve coverage
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All of the above
D
Correct answer
Explanation
Spectrum sharing in 5G development aims to increase spectrum efficiency, reduce interference, and improve coverage.
Which organization is responsible for allocating spectrum for 5G use?
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ITU
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FCC
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3GPP
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None of the above
A
Correct answer
Explanation
The International Telecommunication Union (ITU) is responsible for allocating spectrum for 5G use.
What is the impact of 5G spectrum development on the mobile industry?
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Increased competition
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New business opportunities
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Improved user experience
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All of the above
D
Correct answer
Explanation
5G spectrum development is expected to bring increased competition, new business opportunities, and improved user experience in the mobile industry.
What are the challenges in deploying 5G networks?
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High cost of infrastructure
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Limited spectrum availability
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Interoperability issues
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All of the above
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Correct answer
Explanation
5G network deployment faces challenges such as high cost of infrastructure, limited spectrum availability, and interoperability issues.
What is the future of 5G spectrum development?
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Continued research and development
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Spectrum sharing and aggregation
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New spectrum allocation
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All of the above
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Correct answer
Explanation
The future of 5G spectrum development involves continued research and development, spectrum sharing and aggregation, and new spectrum allocation.
Which of the following is NOT a challenge associated with the 5G spectrum?
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Scarcity of available spectrum
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High cost of spectrum licenses
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Interference between different spectrum bands
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Easy deployment of 5G infrastructure
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Correct answer
Explanation
Easy deployment of 5G infrastructure is not a challenge associated with the 5G spectrum. In fact, one of the key benefits of 5G is that it can be deployed on a variety of spectrum bands, making it more flexible and adaptable than previous generations of wireless technology.
What is the primary reason for the scarcity of available spectrum for 5G?
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Increasing demand for wireless services
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Limited amount of spectrum available
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Government regulations
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Lack of innovation in spectrum management
A
Correct answer
Explanation
The increasing demand for wireless services, such as streaming video, online gaming, and IoT devices, is the primary reason for the scarcity of available spectrum for 5G. As more and more devices connect to the internet, the demand for spectrum continues to grow.
Which of the following factors contributes to the high cost of spectrum licenses?
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Scarcity of available spectrum
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Government auctions
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Competition among wireless carriers
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All of the above
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Correct answer
Explanation
The high cost of spectrum licenses is a result of a combination of factors, including the scarcity of available spectrum, government auctions, and competition among wireless carriers. The limited amount of spectrum available drives up the price, and the government auctions often result in high bids from carriers eager to secure valuable spectrum licenses.
What is the main cause of interference between different spectrum bands?
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Overlapping spectrum assignments
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Poor spectrum planning
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Lack of coordination between wireless carriers
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All of the above
D
Correct answer
Explanation
Interference between different spectrum bands can be caused by a combination of factors, including overlapping spectrum assignments, poor spectrum planning, and lack of coordination between wireless carriers. When multiple carriers use the same or adjacent spectrum bands, interference can occur, resulting in reduced signal quality and performance.
Which of the following technologies is used to mitigate interference between different spectrum bands?
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Carrier aggregation
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Beamforming
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Small cells
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All of the above
D
Correct answer
Explanation
A combination of technologies, including carrier aggregation, beamforming, and small cells, is used to mitigate interference between different spectrum bands. Carrier aggregation allows multiple spectrum bands to be combined to create a wider channel, beamforming focuses the signal in specific directions to reduce interference, and small cells help to reduce interference by providing more localized coverage.
What is the main challenge associated with the deployment of 5G infrastructure?
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High cost of equipment
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Lack of skilled workforce
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Limited access to suitable sites
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All of the above
D
Correct answer
Explanation
The deployment of 5G infrastructure faces a number of challenges, including the high cost of equipment, the lack of a skilled workforce, and limited access to suitable sites. The cost of 5G equipment is significantly higher than previous generations of wireless technology, and the deployment of small cells requires a large number of skilled workers. Additionally, finding suitable locations for small cells can be difficult, especially in urban areas.
Which of the following is NOT a potential solution to address the challenges of 5G spectrum scarcity?
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Utilizing higher frequency bands
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Exploring unlicensed spectrum
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Improving spectrum efficiency
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Reducing the demand for wireless services
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Correct answer
Explanation
Reducing the demand for wireless services is not a potential solution to address the challenges of 5G spectrum scarcity. In fact, the demand for wireless services is expected to continue to grow in the coming years. Instead, solutions such as utilizing higher frequency bands, exploring unlicensed spectrum, and improving spectrum efficiency are being explored to address the spectrum scarcity issue.
What is the main advantage of using higher frequency bands for 5G?
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Increased bandwidth
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Reduced latency
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Improved coverage
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Lower cost
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Correct answer
Explanation
The main advantage of using higher frequency bands for 5G is the increased bandwidth available. Higher frequency bands offer wider channels, which can accommodate more data and support higher speeds. However, higher frequency bands also have shorter propagation distances and are more susceptible to interference.
Which technology did WebOS utilize for over-the-air updates?
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OTA (Over-the-Air)
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Wi-Fi
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Bluetooth
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USB
A
Correct answer
Explanation
WebOS devices received updates wirelessly through OTA (Over-the-Air) technology.
Which technology enables computers to connect wirelessly to the internet?
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Wi-Fi
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Bluetooth
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Cellular Data
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Ethernet
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Correct answer
Explanation
Wi-Fi (Wireless Fidelity) is a wireless networking technology that allows computers and other devices to connect to the internet without the need for cables.