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Three Types of Maintenance Predictions

publish date: 2026/06/24 21:18:37.815498 UTC

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Match each maintenance prediction category to the question it primarily answers.

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Prediction

Predicting system changes
Predicting maintenance costs
Predicting maintainability

Question Answered

What parts of the system will be the most expensive to maintain?
How many change requests can be expected, and what parts of the system are most likely to be affected?
What will be the lifetime maintenance costs of this system?

Correct Answer

(1) Predicting system changes,How many change requests can be expected, and what parts of the system are most likely to be affected?
(2) Predicting maintainability,What parts of the system will be the most expensive to maintain?
(3) Predicting maintenance costs,What will be the lifetime maintenance costs of this system?

Explanation

The three prediction categories help answer different questions: predicting system changes addresses how many and which kinds of requests to expect; predicting maintainability identifies the most expensive parts to maintain; and predicting maintenance costs estimates lifetime or annual maintenance budgets.

Reference

Software Engineering, Ian Sommerville, 10th edition

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