Answer:
SSL has operate in Application Layer to encrypt the information from user and pass it to the TCP. To enhance TCP security developer can integrate the code of SSL with application layer.
Explanation:
SSL certificate is used to enhance the security of user data and encrypt the information of passwords, data transfer and other information to make it secure. This certificate is installed at application layer to make all the information secure and send it to the Transmission Control Protocol (TCP) to send it further. The TCP can be enhanced more by adding SSL code to the application Layer of the Network.