Which of the following statements with regard to drone swarms is/are correct? 1. They use Terahertz band of frequency to communicate with the command centre. 2. Individual drones in the swarm can communicate with other drones in the swarm. 3. GPS Spoofing is a commonly used technique to counter drone swarm attack. Select the answer using the code given below:

ObjectiveMcq

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UPSC CSE PRELIMS2026General Studies Drone TechnologyHard

Which of the following statements with regard to drone swarms is/are correct?

They use Terahertz band of frequency to communicate with the command centre.
Individual drones in the swarm can communicate with other drones in the swarm.
GPS Spoofing is a commonly used technique to counter drone swarm attack.

Select the answer using the code given below:

Correct Answer: B — 2 and 3 only

Explanation:

Statement 1 is rejected because terahertz-band communication is impractical for normal command-and-control of drone swarms. Statement 2 is accepted because inter-drone communication is a core property of swarms. Statement 3 is accepted because GPS spoofing is a common anti-drone or anti-swarm countermeasure.