Which command is used to display a list of all environment variables and their stored values?

When you open a document that was downloaded from the Internet or as an email attachment, regardless of whether it contains macros, it is downloaded in ________ View

Fill in the blank(s) with correct word

You are part of a testing team at a software business.  Your job is to see how many concurrent users the system can host and how many database transactions the system can handle without a noticeable drop in performance.  You are doing _____ testing.

A. system testing B. volume testing C. acceptance testing D. integration testing