Which of the following could be the possible cause?

You are employed as desktop technician at ABC.com. The ABC.com network is configured as a
single Active Directory domain named ABC.com. All workstations on the ABC.com network have
Windows 7 installed.
A user contacts you to ask what the problem is when a flag with a red “x” in the toolbar indicates.
Which of the following could be the possible cause? (Choose ALL that apply.)

A.
Information system alerts.

B.
E-mail alerts.