Software Engineering Software Engineering 4

Question 1

Which architectural pattern separates an application into Model, View, and Controller components?

Accepted Answer

MVC

Answer

MVC (Model-View-Controller) divides an application into data (Model), UI (View), and logic (Controller) to separate concerns.

Question 2

In Scrum, what is the 'Definition of Done'?

Accepted Answer

A shared checklist that a story must meet to be considered complete

Answer

The Definition of Done is a team agreement on the quality standards a work item must satisfy before it can be marked complete.

Question 3

What is 'defensive programming'?

Accepted Answer

Designing software to behave predictably despite invalid inputs or unexpected conditions

Answer

Defensive programming involves validating inputs, handling errors gracefully, and anticipating edge cases to make software more robust.

Question 4

What is the purpose of a 'feature flag' (feature toggle)?

Accepted Answer

To enable or disable functionality at runtime without deploying new code

Answer

Feature flags allow teams to ship code to production and selectively enable features for specific users or environments without redeployment.

Question 5

In software architecture, what does 'loose coupling' mean?

Accepted Answer

Components depend minimally on each other, making them easier to change independently

Answer

Loose coupling means components have minimal knowledge of each other, so changes to one component rarely require changes to others.

Software Engineering Practice Test