UPSC • Prelims • 2026 • Prelims GS Paper I
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Official Provisional Answer Key — 27 May 2026 1 questions
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Question 47
UPSCScience & Technology2026Prelims GS Paper ISeries A
Subject / विषय: Science & Technology
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:
ड्रोन झुंडों (drone swarms) के संबंध में निम्नलिखित में से कौन-सा/से कथन सही है/हैं?
1. वे कमांड सेंटर के साथ संचार करने के लिए टेराहर्ट्ज़ आवृत्ति बैंड का उपयोग करते हैं।
2. झुंड में अलग-अलग ड्रोन झुंड के अन्य ड्रोनों के साथ संचार कर सकते हैं।
3. GPS Spoofing ड्रोन झुंड हमले का मुकाबला करने के लिए सामान्यतः प्रयुक्त तकनीक है।
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Official Provisional Answer Key — 27 May 2026
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Author / EditorGoldej Kumar
Goldej Kumar is the Founder and Editor of Sri Ram Exams (Exam2.in), an independent educational platform for UPSC, State Public Service Commission, SSC and other competitive examinations. His editorial focus is on exam-relevant current affairs, source-based analysis, MCQ reasoning, previous-year-question patterns and clear bilingual learning for English- and Hindi-medium aspirants.