Q1

1

True

2

True

3

False

Q2

1

True: This will let us use for example a local instance for faster prototypes, and then create a well configured instance to be used remotely.

2

False: This is not correct, since SolrJ it's all we need to talk to a remote Solr instance. However, SolrJ internally uses the Apache HTTPClient library for a transparent HTTP support.

3

True

Q3

1

False: Not every language is supported by BSF, thus breaking the compatibility with SolrJ.

2

True

3

False: There are many other languages supported. However, this is currently true for the default Java Scripting Engine implementation and Apache BSF is the de facto standard at the moment.