What are chain of command and unity of command and why are they important in incident response?

What are chain of command and unity of command and why are they important in incident response?

• A. Chain of command is the formal line of authority; unity of command ensures one supervisor per assignment; both ensure clear accountability and coordination.
• B. They describe informal relationships among responders.
• C. They are only used in large scale disasters.
• D. They are not mandatory for incident response.

Answer: (A)