When you run a DB Instance as a Multi-AZ deployment, the "_____" serves database writes and reads

Which of the following calculations cannot be completed with subtotal?

A) Standard Deviation B) Average C) Sum D) Max

H.235 extensions provide a means to identify a person rather than a device using a security profile that consists of which of the following?

A. password only B. certificate only C. password and /or certificate D. only password and certificate