Cybersecurity Class

please help ASAP

Plaintext, encryption algorithm, private key, ciphertext and decryption algorithm are the principal ingredients of a public-key cryptosystem True False Question 8 0.25 pts What are the two principal requirements for the secure use of symmetric encryption? (1) a strong encryption algorithm (2) Sender and receiver must have agreed on the public key (1) a strong encryption algorithm (2) Sender must have obtained copies of the public key (1) a strong encryption algorithm (2) Sender and receiver must have obtained copies of the secret key in a secure fashion (1) a strong encryption algorithm; (2) Sender and receiver must have obtained copies of the secret key and the public key