+360-Questions-and-Answers-For-PMBOK-Guide-SIXTH -Edition

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EACforecastforETCworkperformedatthepresentCPI.Thismethodassumesthatwhattheproject
hasexperiencedtodatecanbeexpectedtocontinueinthefuture.TheETCworkisassumedtobe
performedatthesamecumulativecostperformanceindex(CPI)asthatincurredbytheprojectto
date.Equation:EAC=BAC/CPI


113.Answer: D.


PMBOK® Guide, page 265 , Section7.4.2.2


Forecasting


Theprojectmanager'smanualEACisquicklycomparedwitharangeofcalculatedEACsrepresenting
variousriskscenarios.WhencalculatingEACvalues,thecumulativeCPIandSPIvaluesaretypically
used. While EVMdata quickly provide many statistical EACs, only three of the more common
methodsaredescribedasfollows:


EACforecastforETCworkconsideringbothSPIandCPIfactors.Inthisforecast,theETCworkwillbe
performedatanefficiencyratethatconsidersboththecostandscheduleperformanceindices.This
methodismostusefulwhentheprojectscheduleisafactorimpactingtheETCeffort.Variationsof
thismethodweighttheCPIandSPIatdifferentvalues(e.g., 80 / 20 , 50 / 50 ,orsomeotherratio)
accordingtotheprojectmanager'sjudgment.Equation:EAC=AC+[(BAC–EV)/(CPI×SPI)]


114.Answer: B.


PMBOK® Guide, page 265 , Section 7.4.2.2; and page 267 , Table 7 – 1


Forecasting


Theprojectmanager'smanualEACisquicklycomparedwitharangeofcalculatedEACsrepresenting
variousriskscenarios.WhencalculatingEACvalues,thecumulativeCPIandSPIvaluesaretypically
used. While EVMdata quickly provide many statistical EACs, only three of the more common
methodsaredescribedasfollows:


EACforecastforETCworkperformedatthepresentCPI.Thismethodassumeswhattheprojecthas
experiencedtodatecanbeexpectedtocontinueinthefuture.TheETCworkis assumedtobe
performedatthesamecumulativecostperformanceindex(CPI)asthatincurredbytheprojectto
date.Equation:EAC=BAC/CPI


Equation:VAC=BAC–EAC


115.Answer: A.


PMBOK® Guide, page 265 , Section 7. 4. 2. 2 ; and page 267 , Table 7 – 1


Forecasting


...


116.Answer:C.


PMBOK® Guide, page 266 , Section 7. 4. 2. 3 ; page 268 , Figure 7 – 13 ; and page 267 , Table 7 – 1


To-Complete Performance Index (TCPI)


The to-complete performance index (TCPI) is a measure of the cost performance that is required to
beachievedwiththeremainingresourcesinordertomeetaspecifiedmanagementgoal,expressed

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