Please answer the following multiple$-$choice questions:

$1.**$After regaining control of a system, what is the first step in the Incident Response $($IR$)$ process?$**$

$-$ A$)$ Conduct an after$-$action review $($AAR$)$

$-$ B$)$ Inform the appropriate human resources

$-$ C$)$ Evaluate monitoring capabilities

$-$ D$)$ Notify upper management