Which of the following is the standard protocol for sending e-mail messages?

Match each of the following parts of this URL to its definition: http:// http://www.si.edu/Exhibitions

I. si.edu II. Exhibitions III. http:// IV. .edu A. top-level domain B. folder or subdirectory C. domain D. protocol

When you resize the Amazon RDS DB instance, Amazon RDS will perform the upgrade during the next maintenance window. If you want the upgrade to be performed now, rather than waiting for the maintenance window, specify the _____ option.

A. ApplyNow B. ApplySoon C. ApplyThis D. ApplyImmediately