CTIS33Download as PDFFirewalls and VPNComputer Tech and Info SystemsUndergraduateOverviewCreditsRequisitesCollapse AllAdvisory CTIS-20 CTIS-15 PrerequisitePreviously taken CTIS-20 and CTIS-15 is advised. Take CTIS-20(8944) CTIS-15(8935); Minimum grade C,P;