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

Multiple choice

What is the role of spectrum sharing in 5G development?

  1. To increase spectrum efficiency

  2. To reduce interference

  3. To improve coverage

  4. All of the above

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Spectrum sharing in 5G development aims to increase spectrum efficiency, reduce interference, and improve coverage.

Multiple choice

Which organization is responsible for allocating spectrum for 5G use?

  1. ITU

  2. FCC

  3. 3GPP

  4. None of the above

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The International Telecommunication Union (ITU) is responsible for allocating spectrum for 5G use.

Multiple choice

What is the impact of 5G spectrum development on the mobile industry?

  1. Increased competition

  2. New business opportunities

  3. Improved user experience

  4. All of the above

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

5G spectrum development is expected to bring increased competition, new business opportunities, and improved user experience in the mobile industry.

Multiple choice

What are the challenges in deploying 5G networks?

  1. High cost of infrastructure

  2. Limited spectrum availability

  3. Interoperability issues

  4. All of the above

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

5G network deployment faces challenges such as high cost of infrastructure, limited spectrum availability, and interoperability issues.

Multiple choice

What is the future of 5G spectrum development?

  1. Continued research and development

  2. Spectrum sharing and aggregation

  3. New spectrum allocation

  4. All of the above

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The future of 5G spectrum development involves continued research and development, spectrum sharing and aggregation, and new spectrum allocation.

Multiple choice

Which of the following is NOT a challenge associated with the 5G spectrum?

  1. Scarcity of available spectrum

  2. High cost of spectrum licenses

  3. Interference between different spectrum bands

  4. Easy deployment of 5G infrastructure

Reveal answer Fill a bubble to check yourself
D 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.

Multiple choice

What is the primary reason for the scarcity of available spectrum for 5G?

  1. Increasing demand for wireless services

  2. Limited amount of spectrum available

  3. Government regulations

  4. Lack of innovation in spectrum management

Reveal answer Fill a bubble to check yourself
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.

Multiple choice

Which of the following factors contributes to the high cost of spectrum licenses?

  1. Scarcity of available spectrum

  2. Government auctions

  3. Competition among wireless carriers

  4. All of the above

Reveal answer Fill a bubble to check yourself
D 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.

Multiple choice

What is the main cause of interference between different spectrum bands?

  1. Overlapping spectrum assignments

  2. Poor spectrum planning

  3. Lack of coordination between wireless carriers

  4. All of the above

Reveal answer Fill a bubble to check yourself
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.

Multiple choice

Which of the following technologies is used to mitigate interference between different spectrum bands?

  1. Carrier aggregation

  2. Beamforming

  3. Small cells

  4. All of the above

Reveal answer Fill a bubble to check yourself
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.

Multiple choice

What is the main challenge associated with the deployment of 5G infrastructure?

  1. High cost of equipment

  2. Lack of skilled workforce

  3. Limited access to suitable sites

  4. All of the above

Reveal answer Fill a bubble to check yourself
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.

Multiple choice

Which of the following is NOT a potential solution to address the challenges of 5G spectrum scarcity?

  1. Utilizing higher frequency bands

  2. Exploring unlicensed spectrum

  3. Improving spectrum efficiency

  4. Reducing the demand for wireless services

Reveal answer Fill a bubble to check yourself
D 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.

Multiple choice

What is the main advantage of using higher frequency bands for 5G?

  1. Increased bandwidth

  2. Reduced latency

  3. Improved coverage

  4. Lower cost

Reveal answer Fill a bubble to check yourself
A 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.

Multiple choice

Which technology did WebOS utilize for over-the-air updates?

  1. OTA (Over-the-Air)

  2. Wi-Fi

  3. Bluetooth

  4. USB

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

WebOS devices received updates wirelessly through OTA (Over-the-Air) technology.

Multiple choice

Which technology enables computers to connect wirelessly to the internet?

  1. Wi-Fi

  2. Bluetooth

  3. Cellular Data

  4. Ethernet

Reveal answer Fill a bubble to check yourself
A 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.