What is advantages of layered application design?

What is Magento Domain layer?

What is magento Daomain layer functions?

Which files needs to bootstrap a module?

Which required files to initiate a module ?

How much areas in M2?

Accessing the domain layer

registration.php

etc/module.xml

module limitations

Which type of components exists in M2?

When model requires resource model?

What responsibility of resource models?

Which pattern use Magento for persistence layer

What is contain presentation layer

How Presentation code calls other layers

What is a Service layer?

Service contract clients are?

Who accesses the service layer?

What is a Magento module?

Module locations

What is area

Magento area types

Module/area interaction guidelines

registration.php load flow

What side effects can come from modules interaction?