Answer:
No. This is not more secure.
Explanation:
this is not more secure than having all of Carol, bob and Alice having the same key.
alice would be able to know Carol's key for her to be able to verify the answer Carol gave to a challenge by her. she would also have to know bob's key to do the same.
any of these 3 would have to know someone else's secret key to verify answers to any challenge.
the challenge is to know the secret keys if the other two and if done, decryption can easily be done and they can impersonate.
Answer: <u>Bill Gate</u>, who is known as the king of computer programs
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Answer: By understanding the basic cultural values of the individual such as looks and talk. Also understanding the core values of the individual such as attitude, beliefs and religion. It would improve the behavior in your professional and cultural relationship with individuals in your workplace.
Explanation: