Legacy Systems Quiz

What is a legacy system?

• A modern system with new features

• An outdated system still in use

• A future software concept

• A system that has no functional purpose

Legacy systems emerged from which era?

• The 21st century

• After the internet boom

• Earlier computing eras

• After smartphones were developed

Which of these is a common example of a legacy system?

• Mainframes

• AI-driven applications

• Cloud computing platforms

• IoT devices

Which characteristic is NOT associated with legacy systems?

• Dependency

• Outdated technology

• Highly scalable

• Complexity

What is a major challenge faced by legacy systems?

• Unlimited scaling capability

• Lack of integration challenges

• Security risks

• Ease of maintenance

Why is there a knowledge gap with legacy systems?

• Systems are too new to understand

• Original developers have retired

• It is widely studied in universities

• They are simple to maintain

What is a primary reason for the evolution of legacy systems?

• Old systems are perfect

• No need for change

• Technological advancements

• Lack of new business needs

Which of the following is NOT a method for legacy system modernization?

• Refactoring

• Replatforming

• Replacement

• Elimination

In the “Lift and Shift” model, what happens to the legacy system?

• It’s redesigned from scratch

• It’s moved without changing architecture

• It’s deleted

• It’s modified incrementally

What is refactoring in legacy system evolution?

• Rewriting parts to improve performance

• Moving to a different building

• Replacing it entirely

• Ignoring outdated code