All,

The following PMP® exam sample question is taken from http://www.free-pm-exam-questions.com - The answer is at the very bottom:

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What does cost a performance index (CPI) of less than 1.0 indicate?

A) Cost overrun of the estimates
B) Cost underrun of the estimates
C) Cost according to the estimates
D) Early progress
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Until next time,
Cornelius Fichtner, PMP
The Project Management PrepCast™ - http://www.project-management-prepcast.com
The Project Management Podcast™ - http://www.project-management-podcast.com

The Answer is A.