To improve understanding of the excerpt, which questions are best to ask? Select 5 options. What does "encryption"mean? What is "public key cryptography"? What kind of encryption was available a long time ago? What are "key distribution problems"? Where can I buy an RSA cipher? What are "cryptanalysts"?

To improve understanding of the excerpt, the following questions are best to ask:<br /><br />1. What does "encryption" mean?<br />2. What is "public key cryptography"?<br />3. What kind of encryption was available a long time ago?<br />4. What are "key distribution problems"?<br />5. What are "cryptanalysts"?<br /><br />These questions will help you gain a comprehensive understanding of the concepts and historical context presented in the excerpt.