With reference to communication technologies, what is/are the difference/differences between LTE (Long-Term Evolution) and VoLTE (Voice over Long-Term Evolution)? 1. LTE is commonly marketed as 3G and VoLTE is commonly marketed as advanced 3G. 2. LTE is data-only technology and VoLTE is voice-only technology. Select the correct answer using the code given below.
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A hard Science & Technology multiple-choice question from UPSC Prelims 2019. Attempt it above, then check the correct answer and detailed explanation below.
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Correct answer: D. Neither 1 nor 2
Neither statement is correct — LTE is marketed as 4G (not 3G), and while LTE carries data, VoLTE is not "voice-only": it delivers voice as data over the same LTE network, so both statements are wrong.
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