CompTIA Updated PK0-005 Exam Questions and Answers by saul

A control chart is a graphical tool that displays the variation of a process over time and compares it to predetermined control limits. It can be used to determine whether a sample product is within an acceptable range by checking if the sample values fall within the upper and lower control limits, which indicate the expected variation of the process. If the sample values are outside the control limits or show a non-random pattern, it indicates that the process is out of control and there may be some assignable causes of variation that need to be investigated and corrected. References = CompTIA Project+ Study Guide: Exam PK0-005, 3rd Edition, Chapter 8: Quality Management1; CompTIA Project+ Certification Study Guide, 3rd Edition, Chapter 8: Quality Management2

A downtime window schedule specifies a timeframe during which systems can be taken offline or changed without affecting business operations. CompTIA Project+ includes this as part of deployment planning to ensure minimal disruption to stakeholders.

Smoke testing is a preliminary test to check whether the most essential functions of the software work correctly. It is often the first step in the testing phase and helps confirm that the build is stable enough for further testing. This aligns with CompTIA Project+ practices for software testing phases.

Adding contingency buffers to the critical path is a method to account for potential delays, increasing project certainty. This technique is part of risk management and schedule management, as recommended by CompTIA Project+.