Which of the following statements with regard to drone swarms is/are correct? 1. They use Terahertz band of frequency to communic…

Question

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.

1. A. 1 only
2. B. 2 and 3 only (Correct answer)
3. C. 1 and 2 only
4. D. 1, 2 and 3

Correct Answer

Option B — B

Detailed Solution & Explanation

The correct answer is Option B.

Key Points

• Statement 2 is correct: in a drone swarm, individual drones communicate with one another (peer-to-peer) and coordinate autonomously — the essence of swarm behaviour, so the loss of one drone does not disable the group.
• Statement 3 is correct: GPS spoofing — feeding false navigation signals — is a common counter-drone technique used to mislead or hijack a swarm.
• Statement 1 is incorrect, and is the key: swarms typically communicate over radio-frequency (RF) links, not the Terahertz band, whose very short range and heavy atmospheric absorption make it unsuitable for drone-to-command communication.
• swarm strengths are autonomy, redundancy and saturation of a target's defences; counters include jamming, spoofing, directed energy and high-power microwaves.

Exam Tip

• 'Terahertz for long-range communication' is the planted error — THz is short-range, so it fails for a distributed swarm.