Which module to use in order to see problem tasks that are assigned to you?

Can a group have a parent group?

What is the minimum number of members in a group?

Configuration items can be created from asset management.

Universal Containers has a workflow rule that sends an email alert to the VP of Sales when a large deal is won. The VP is reporting that these emails are NOT being delivered.
Which two tools should be used to determine the problem? (Choose two.)