You are tasked to install an extension to the merchant's Magento instance.
The extension is developed by the company called MyCompany and its codebase is available from all four
locations listed below.
Which two installations options do you choose from to prevent version conflicts during upgrade? (Choose two.)

In a custom module you are adding a new field to the store configuration. The field will set the value for the configuration path mycompany/mymodule/myoption.
How do you supply the default value for that configuration option?

You are implementing a before plugin in MyCompany_Magic. It will intercept the same method that MyCompany_Admission is already intercepting using a before plugin: Topmenu::getBlockHtml
Which two actions are required to ensure the new plugin will execute last? (Choose two.)

A custom module must make changes to the schema following each setup:upgraderun. This must be done
after all other module's schema updates have been applied.
How is this accomplished?

How do you persist an entity to the database?