Which of the following statements about applying common security techniques to computing resources is correct?
1) Secure Sockets Layer (SSL) primarily secures File Transfer Protocol (FTP) communications.
2) Hypertext Transfer Protocol Secure (HTTPS) operates over port 80 by default.
3) Transport Layer Security (TLS) 1.3 prevents downgrade attacks, reducing handshake messages.
4) TLS 1.3 cipher suites include Rivest, Shamir, and Adelman for bulk encryption.