In order to form an irt, an organization is required to create a charter; this document identifies the authority, mission, and goals of a committee or team, and there are a number of different types of irt models for doing this. which of the following models permits an irt to have the complete authority to ensure a breach is contained? a. irt that provides off-sight responseb. irt that acts in a support rolec. irt that provides on-site response