Which of the following is MOST important to ensure successful implementation when an organization decides to purchase software from available products on the market?

Question

Options

• ARequirements definition
• BSupport and maintenance contract
• CSoftware escrow
• DPost-implementation review

• A
  70% (19)
• B
  19% (5)
• C
  7% (2)
• D
  4% (1)

Explanation

Requirements definition (A) is the foundation of any successful software purchase - without clearly defined requirements, an organization cannot evaluate whether a product actually meets its needs, leading to misaligned expectations, wasted spend, or failed implementations. You must know what you need before you can judge what to buy.

Why the distractors fall short:

• (B) Support and maintenance contract matters for long-term operations but is irrelevant if the wrong software is selected in the first place.
• (C) Software escrow protects source code access if a vendor goes out of business - a risk mitigation measure, not a success driver.
• (D) Post-implementation review happens after the fact; it can inform future decisions but cannot rescue a failed selection.

Memory tip: Think "measure twice, cut once" - requirements definition is the measuring step. Everything else (contracts, escrow, reviews) assumes you've already chosen correctly. On exam questions about successful implementation, the answer is almost always rooted in the earliest phase of the process.

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