What does the mvn clean command do?

Suppose you are packaging a Maven project and see the following error: “[WARNING] Using platform encoding (Cp1252 actually) to copy filtered resources, i.e. build is platform dependent!” What do you add to your POM file to set the platform encoding to ensure your build is not platform dependent?

Why might you not want to include groupId and version elements in child POM files?

The settings.xml file that provides the user-specific settings for Maven is contained in which directory by default?

Suppose you are using Maven in a corporate environment and, to save bandwidth, you want to prevent the need for large numbers of developers to download the same dependency from the internet. What do you do to limit this?

In multimodule projects, what do child POMs inherit from the parent POM?

Which Maven plugin would you leverage to specify the version of the compiler to target as well as the source level of the language?

Many organizations set up local mirrors to the Maven central repository. In order to leverage your company's Maven repository as a proxy for the Maven central repository, which element should you put into the settings.xml file?

When two dependencies of your Maven project introduce the same transitive dependency with different versions, which one(s) will be included in the dependency list for your project?

What is a valid packaging type for a Maven project?

When building a Maven Archetype, what is the filepath and file of the archetype descriptor that specifies how to lay out the prototype files?