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CS Professional · Artificial Intelligence, Data Analytics and Cyber Security - Laws and Practice · Enterprise Resource Management

A firm customises its ERP so heavily that the vendor's standard upgrades can no longer be applied without rewriting custom code. Which combination of consequences is most accurate?

Heavy customisation leads to higher maintenance cost, delayed security patches and greater upgrade risk. Standard vendor upgrades no longer apply cleanly, so custom code must be reworked, leaving known vulnerabilities unpatched for longer and raising both cost and exposure.

  1. ALower maintenance cost and faster upgrades, because custom code is tailored to the firm
  2. BHigher maintenance cost, delayed security patches and greater upgrade riskCorrect
  3. CNo effect on security, since customisation only changes screens
  4. DAutomatic improvement in data integrity because processes match the firm exactly

Explanation

Heavy customisation breaks compatibility with vendor releases, so upgrades need rework, raising cost and delaying patches that fix vulnerabilities. This increases security exposure. The claim of lower cost ignores this rework, and customisation does not automatically improve data integrity.

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