Which protocol would optimally support a secure client-server communication that involves sensitive data transactions, specifically needing both authentication of the server and encryption of the data?
HTTPS
HTTP
SNMP
LDAP
HTTPS (Hypertext Transfer Protocol Secure) is the best choice for secure client-server communications involving sensitive data because it incorporates SSL/TLS to encrypt data in transit and authenticate the server. This ensures that all data sent between the client and server is protected. In contrast, HTTP (Hypertext Transfer Protocol) is incorrect as it does not include encryption and sends data in cleartext. LDAP (Lightweight Directory Access Protocol) is used for accessing and maintaining distributed directory information services and does not inherently encrypt data in its standard form. SNMP (Simple Network Management Protocol) is used for network management; while newer versions have security features, its primary purpose is not for general secure data exchange.
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