What is a valid packaging type for a Maven project?

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?

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?

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

If your machine is behind a proxy, where should you specify the proxy server settings in order for Maven to access remote resources?

What environment variable can you alter to increase the memory Maven uses?

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

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

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?

What does the mvn clean command do?

These are two general uses of plugins. The first is build and the second is _