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CISA Practice Question: Information Systems Acquisition, Development, and Implementation

An organization is considering replacing its legacy financial system with a new ERP solution. Which of the following is the PRIMARY advantage of purchasing a commercial off-the-shelf (COTS) ERP package over building a custom system?

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

Faster implementation

COTS packages typically have a faster implementation timeline because the core functionality already exists, reducing development time.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • Greater control over customization

    Why it's wrong here

    COTS packages often limit customization to maintain vendor support.

  • Lower total cost of ownership

    Why it's wrong here

    TCO can be higher due to licensing, maintenance, and integration costs.

  • Complete alignment with business processes

    Why it's wrong here

    COTS may require process changes to fit the software.

  • Faster implementation

    Why this is correct

    Reduced development time as the system is pre-built.

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JA

Written by Johnson Ajibi, MSc IT Security

Senior Network & Security Engineer · founder of Courseiva

This CISA practice question is part of Courseiva's free ISACA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CISA exam.