Q18 · UPSC current affairs · 7 September 2026 · PIB · Asia Pacific Network Information Centre APNIC NIXI

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What is the primary purpose of the IPv6 protocol designed to replace IPv4?

A To encrypt financial transactions on domestic banking networks
B To provide a vast pool of unique 128-bit IP addresses
C To compress digital media files for faster satellite transmission
D To regulate domain name registries across rural districts

Correct answer: (b) To provide a vast pool of unique 128-bit IP addresses

Explanation

Option B is correct because IPv6 is a 128-bit Internet Protocol addressing system created to replace IPv4 and supply a massive pool of unique IP addresses. The other options incorrectly define the function of IPv6.

Same topic · past papers

UPSC has asked this before

These previous-year questions sit on the same topic. Open one to practise the earlier ask.

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  2. 2026 · Q19 · GS II · 15 marks

    "India's global diaspora acts as a living bridge, as a critical economic factor and knowledge network in transforming cultural heritage into geopolitical influence and strategic leverage worldwide." Critically examine this statement.

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  3. 2026 · Q86 · General Studies · 2 marks

    Which of the following statements regarding the features of blockchain technology are correct? 1. Records stored in the database may be made visible to relevant stakeholders without risk of alteration. 2. Copies of the entire database are stored on multiple computers on a network, syncing within seconds. 3. Consortium blockchain is a blend of public and private blockchains allowing selective data access. 4. Mathematical algorithms make it impossible to change or delete any data once recorded and accepted. Select the answer using the code given below:

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  4. 2026 · Q89 · General Studies · 2 marks

    Which one of the following best describes the key objective of India's 'Open Network for Digital Commerce' (ONDC) initiative?

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  5. 2024 · Q48 · General Studies · 2 marks

    Which one of the following words/phrases is most appropriately used to denote "an interoperable network of 3D virtual worlds that can be accessed simultaneously by millions of users, who can exert property rights over virtual items"?

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