Earned value analysis integrates scope, schedule and cost data to reveal variances between planned and actual performance. Without regular EVA, the project team lacks an objective measure of schedule and cost variances, so overruns can go unnoticed until they become severe.

Section: Protection of Information Assets
Explanation:
An integrated test facility is considered a useful audit tool because it uses the same programs to compare
processing using independently calculated data. This involves setting up dummy entities on an application
system and processing test or production data against the entity as a means of verifying processing
accuracy.

Comprehensive and Detailed Step-by-Step Explanation:Enterprise architecture (EA) governance ensures that IT and business alignment is maintained and that new processes and technologies integrate well with existing structures.
* Option A (Correct):The primary purpose of EA governance is to ensure that new technologies, processes, and systems align and harmonize with existing architecture to maintain operational efficiency and consistency.
* Option B (Incorrect):While adaptability to emerging technology trends is important, EA governance focuses more on structure, consistency, and compliance rather than just adaptability.
* Option C (Incorrect):Compliance with regulations is crucial, but it is just one component of governance. EA governance has a broader scope, including strategic alignment and process integration.
* Option D (Incorrect):Ensuring ROI is an important financial consideration, but it is not themain objective of EA governance.
Reference:ISACA CISA Review Manual -Domain 1: Information Systems Auditing Process- Covers governance, risk management, and ensuring alignment of EA with business objectives.