Explanation: This question is about finding the variable that tells us if MySQL supports SSL. SSL (Secure Sockets Layer) is a way to make connections more secure. Here's what each option means: * Option A: have_ssl - This is a possible variable name. * Option B: has_ssl - This is a possible variable name. * Option C: avail_ssl - This is a possible variable name. * Option D: ssl_avail - This is a possible variable name.