The encryption protocol to increase the security of its transmissions is to use IPsec for security when transmitting. The correct option is c.
What is encryption protocol?
Encryption is done by the encryption algorithm. Thews algorithms for encryption are used to perform encryption. These algorithms perform all cryptographic operations on the plaintext data while utilizing the encryption key.
Then, in encryption protocols, these techniques are applied to safeguard data for a variety of purposes.
Thus, the correct option is c. IPsec regarding the encryption protocol to increase security.
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The question is incomplete. Your most probably complete question is given below:
a. SSL b. SFTP c. IPsec d. SSH.
