A configuration model can be used to help
(1) Assess the impact and cause of incidents and problems
(2) Assess the impact of proposed changes
(3) Plan and design new or changed services
(4) Plan technology refresh and software upgrades
A. 1, 2 and 3 only
B. All of the above
C. 1, 2 and 4 only
D. 3 and 4 only
