Question: If possible can anyone explain this information security question with step Assume a (small) company with 120 employees. A new security policy demands encrypted message

If possible can anyone explain this information security question with step

If possible can anyone explain this information security question with step Assume

Assume a (small) company with 120 employees. A new security policy demands encrypted message exchange with a symmetric cipher. How many keys are required, if you are to ensure a secret communication for every possible pair of communicating parties

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