Cosmos-Satellite Communication Quiz

1. What is the primary purpose of a geostationary satellite?

• Weather forecasting

• Long-distance communication

• Navigation

• Earth observation

Which of the following orbits is most commonly used for communication satellites?

• Low Earth Orbit(LEO)

• Medium Earth Orbit(MEO)

• Geostationary Orbit(GEO)

• Polar Orbit

Which component of a satellite communication system is responsible for converting the received signals from the satellite into usable data?

• Transponder

• Antenna

• Modem

• Encoder

4. What is the approximate delay in round-trip communication when using a geostationary satellite?

• 0.5 seconds

• 1 second

• 3 seconds

• 6 seconds

What is the name of the phenomenon where a satellite is temporarily obscured by the Earth, causing a loss of signal?

• Solar interference

• Rain fade

• Geomagnetic storm

• Satellite eclipse

Which organization operates the Global Positioning System (GPS), a satellite-based navigation system?

• NASA

• European Space Agency(ESA)

• United States Department of Defense (DoD)

• Russian Federal Space Agency (Roscosmos)

7. In satellite communication, what does "Uplink" refer to?

• Transmission from satellite to ground station

• Transmission from ground station to satellite

• Transmission from one satellite to another

• Transmission from satellite to satellite

8. Which of the following frequencies is typically used for satellite television broadcasting?

• VHF

• UHF

• S-band

• Ku-band

9. What is the main advantage of using multiple spot beams in satellite communication?

• Higher data rates

• Lower latency

• Increased coverage area

• Reduced interference

10. Which term refers to the process of adjusting a satellite's orbit to counteract the effects of gravitational perturbations?

• Attitude control

• Orbital maneuver

• Stationkeeping

• Drag compensation