What are example of critical chain method?

Critical chain method

Critical chain method All the following statements regarding critical chain method are true EXCEPT—   a. It modifies the schedule to account for limited resources  b. The first step is to use conservative estimates for activity durations  c. Duration buffers are added on the critical path  d. It focuses on managing buffer activity durations  Answer: b. The first step is to use conservative estimates for activity durations  When using critical chain techniques When using critical chain techniques, the initial project schedule is developed using duration estimates with required dependencies and defined constraints as inputs. [Planning]

All the following statements regarding critical chain method are true EXCEPT— 

a. It modifies the schedule to account for limited resources 
b. The first step is to use conservative estimates for activity durations 
c. Duration buffers are added on the critical path 
d. It focuses on managing buffer activity durations

Answer: b. The first step is to use conservative estimates for activity durations 

When using critical chain techniques

When using critical chain techniques, the initial project schedule is developed using duration estimates with required dependencies and defined constraints as inputs. [Planning]