Complete the sentence.
use only apps acquired from app stores.
PLEASE HELP

It is vital to research each of the services you plan to disable before implementing any change, especially on critical machines such as the: a. servers in the test environment. b. domain controller and other infrastructure servers. c. desktops that have previously been attacked. d. desktops used by upper-level management.

Awell-diversified portfolio needs about 20-25 stocks from different categories.

According to the video what are some tasks petroleum engineers perform check all that apply