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The terms 'WannaCry, Petya and EternalBlue' sometimes mentioned in the news recently are related to
When the alarm of your smartphone rings in the morning, you wake up and tap it to stop the alarm which causes your geyser to be switched on automatica
The correct answer is option (c): An American anti-missile system. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
This question was asked in UPSC CSE Prelims 2018, GS Paper 1, as Question 43. It falls under Science & Technology > Defence Technology.
This question is rated "easy". It tests basic recall and most well-prepared aspirants should answer it correctly.
UPSC has asked 21 questions from Defence Technology (under Science & Technology) across multiple years. Visit the topic page to see the full list and year-wise trends.