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CS Professional · Artificial Intelligence, Data Analytics and Cyber Security - Laws and Practice · Softwares and Software Security

A Pune start-up downloads a software library released under a permissive open-source licence such as the MIT licence. Which statement best describes what the licence typically allows?

A permissive open-source licence like MIT allows use, modification and redistribution, even inside proprietary products, as long as the original copyright and licence notice is kept. It does not force derivative works to be open-sourced, unlike copyleft licences such as GPL.

  1. AUse, modification and redistribution, including in proprietary products, provided the copyright and licence notice is retainedCorrect
  2. BUse only for non-commercial research, with no right to modify the code
  3. CUse only if all derived products are released under the same licence terms without exception
  4. DUse only after paying a per-user royalty to the original author

Explanation

Permissive licences such as MIT impose minimal conditions, mainly keeping the copyright and licence notice. They allow modification and inclusion in proprietary software. The option requiring derived works to be released under the same terms describes a copyleft licence such as GPL, not a permissive one.

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