Satellite Broadband Wireless Quiz

What is one major use of satellite communication?

• Satellite television broadcasting

• Satellite mining

• Satellite weather forecasting

• Satellite navigation

What keeps a satellite in orbit around the Earth?

• Atmospheric pressure

• Solar winds

• Momentum and gravity

• Magnetic fields

Which type of satellite reflects signals back to Earth?

• Geostationary satellite

• Passive satellite

• Active satellite

• Medium Earth Orbit satellite

What is the altitude range for Low Earth Orbit (LEO) satellites?

• 35,786 km

• 200–2,000 km

• Above 35,786 km

• 2,000–35,000 km

Which modulation technique sends 4+ bits and is efficient but sensitive to interference?

• 16-level quadrature amplitude modulation (16-QAM)

• Quadrature phase shift keying (QPSK)

• Eight-phase shift keying (8-PSK)

• Binary phase shift keying (BPSK)

What type of communication does a geostationary satellite primarily support?

• Real-time data transmission

• Satellite navigation

• Broadcasting

• Point-to-point communication

What is a characteristic of active satellites?

• No power source needed

• Reflects signals from Earth

• Cheaper and simpler design

• Sends and receives signals actively

What does the term 'DAMA' stand for in satellite communication?

• Demand assigned multiple access

• Dedicated access multiple allocation

• Direct assigned multiple access

• Dynamic access multiple assignment

What is a main problem faced by satellites in space?

• Low latency communication

• Space debris and collisions

• Stable power supply

• High bandwidth availability

Which type of orbit is ideal for Earth observation and requires many satellites for full coverage?

• Geostationary Orbit (GEO)

• Medium Earth Orbit (MEO)

• Low Earth Orbit (LEO)

• High Earth Orbit (HEO)