Q. What technologies are used in 5G?
a) 5G only uses 2G and 3G technologies to provide faster speeds.
b) 5G is powered mainly by fiber optic cables connecting directly to each mobile device.
c) 5G uses advanced technologies such as millimeter waves, massive MIMO, beamforming, and small cell networks.
d) 5G does not require antennas or base stations, since it uses satellites exclusively.
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Correct answer: Letter c.
5G uses advanced technologies such as millimeter waves, massive MIMO, beamforming, and small cell networks.
Q. What technologies are used in 5G?
a) 
5G only uses 2G and 3G technologies to provide faster speeds.
→ Incorrect. 5G is a new generation with its own technologies, not just an upgrade of 2G/3G.
b) 5G is powered mainly by fiber optic cables connecting directly to each mobile device.
→ Incorrect. Fiber optics connect the base stations, not directly to mobile devices.
c) 
5G uses advanced technologies such as millimeter waves, massive MIMO, beamforming, and small cell networks.
→ Correct. These are the core technologies that make 5G faster, more reliable, and efficient.
d) 5G does not require antennas or base stations, since it uses satellites exclusively.
→ Incorrect. 5G still relies on antennas and base stations; it is not satellite-based.