WGU Updated Information-Technology-Management Exam Questions and Answers by jay

Definition of a Gantt Chart:

A Gantt chart is a visual tool used to list project tasks vertically and plot the time frame horizontally.

It displays task durations, dependencies, and progress, helping in scheduling and tracking.

Key Features of a Gantt Chart:

Represents tasks as horizontal bars proportional to their duration.

Helps identify task sequencing and overlaps.

Incorrect Options Analysis:

A. PERT Chart: Used for analyzing project timelines and task dependencies but not for plotting tasks against a timeline.

B. Project Model: Not a visual tool; it’s a conceptual representation of the project process.

C. Venn Diagram: Used for illustrating logical relationships, not task scheduling.

References and Documents of Information Technology Management:

PMBOK Guide (Project Scheduling Tools).

ITIL Project Management Best Practices (Axelos).

Prototyping in Software Development:

Prototyping involves creating a working model of the system to validate that it meets user and business requirements.

It is an iterative approach where users interact with the prototype and provide feedback for improvements.

Why Other Options Are Incorrect:

Option A (Waterfall): Follows a linear approach without iterative feedback.

Option B (RUP): A structured iterative approach but not focused solely on prototyping.

Option C (Iterative): While iterative development involves cycles, it does not specifically focus on building prototypes.

References:

Prototyping and Agile Development Practices – Agile Alliance

"Prototyping in Systems Development" – IEEE

Definition of Strategy in Business Layers:

The strategy layer focuses on determining products or services, target customers, and competitive positioning.

It involves defining the organization's long-term goals and the means to achieve them in alignment with market needs and opportunities.

Why Strategy is Key to Product/Service Decisions:

Guides resource allocation to achieve competitive advantage.

Determines value propositions, customer segmentation, and market focus.

Incorrect Options Analysis:

A. Systems: Focuses on technology infrastructure, not business direction.

B. Operating: Deals with day-to-day operations, not strategic decisions.

C. Corporate: Relates to governance and overarching organizational management, not product/service specifics.

References and Documents of Information Technology Management:

"Business Strategy Fundamentals" (McKinsey & Co.).

ITIL 4 Service Strategy Practices (Axelos).

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