; (2) enhancing modeling capabilities to determine potential impacts on critical infrastructure of an incident or threat scenario, and cascading effects on other sectors; (3) facilitating initiatives to incentivize cyber security investments and the adoption of critical infrastructure design features that strengthen all-hazards security and resilience; and (4) prioritizing efforts to support the strategic guidance issued by the Secretary of Homeland Security. 8. Implementation by Department of Homeland Security (a) Critical infrastructure terrorism prevention security and computer network resilience functional relationships (1) In general Within 120 days after the date of the enactment of this Act, the Secretary of Homeland Security shall conduct research and develop a description of the functional relationships within the Department of Homeland Security and across the Federal Government related to critical infrastructure security and resilience. The description shall— (A) include the roles and functions of the 2 national critical infrastructure centers and a discussion of the analysis and integration function; (B) serve as a roadmap for critical infrastructure owners and operators and SLTTs to navigate the Federal Government’s functions and primary points of contact assigned to those functions for critical infrastructure security and resilience against both physical and cyber threats