1

c

A bundle is a regular Java archive (JAR) augmented with additional OSGi-specific headers in its manifest. Refer to the sections Anatomy of a bundle and The OSGi headers for a review.

2

b

The OSGi headers are used to tell the framework about the bundle, its identification information, the packages it requires, and those that it provides. Refer to the section The OSGi headers for a review.

3

b

Setting the active start level to 3 makes the framework first stop the bundles on start level 4, then change the active start level. Refer to the section Start levels for a review.