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When Kerberos authentication is used, connection to the Presto coordinator should be over ____?

21. When Kerberos authentication is used, connection to the Presto coordinator should be over ____?

1. HTTP
2. FTP
3. HTTPS
4. SMTP

Answer: C) HTTPS

Explanation:

When Kerberos authentication is used, connection to the Presto coordinator should be over HTTPS.