Answer: c) Strategic 
Step-by-step explanation:
Strategic plan is the methodology which is required for long -term goals and future planning in business field.It gives the idea and hint about the path and requirements for reaching towards the goals.
- Therefore, the objectives of the documents determining the goals that are required to be achieved in 5 years of time period is depicted through strategic planning.
 
- Other options are incorrect because operational plan is method for carrying operation and tasks. Tactical plan contains the important steps and measure required from the created strategy.
 - Compulsory plan is the methodology that describes the necessity and mandatory for the security policy.
 - Thus, the correct option is option(c).