4. the three nims guiding principles are:
a. unity of effort, preparedness, resource management.
b. flexibility, standardization, unity of effort.
c. resources, organization, standardization.
d. planning, response, recovery

(B) Flexibility, standardization, unity of effort.

Explanation:

 The NIMS stand for the national incident management system and it basically provide the proactive and the systematic approach for guiding the all the level of organization such as government and the non-government department.

The main purpose of the NIMS is that it help in evaluate an approach by developing the command system and also minimize the impact of the business operation.

The three main NIMS principle are as follows:

answer; yield to maturity;

it established new limitations on use and disclosure for marketing purposes, prohibited selling medical information, expanded individuals’ rights to accessing their own information, and to obtain restrictions from certain disclosures of protected heath information to health plans.