A Forms Developer needs to analyze an issue in a non-production environment on a Forms portal implementation. The portal page contains data lookup service on RDBMS on draft data.
While performing the initial test on draft submission, it results in an error page. The Developer confirms that the customer OSGi bundle that contains the submission service is in an active state on the targeted AEM instance. The Developer needs to systematically troubleshoot this issue.
Which three actions should be taken?
(Choose three.)

A workflow process generates multiple notices (.pdf) from the PDF design templates (.pdf) that a Forms Developer created. Header & Footer are used as a common fragment (.xdp) to reuse in all other designs.
An AEM tester notices that the company address in the header is not correct. The tester asks the Developer to change the address in the fragment so that it reflects in all notices.
After the Developer updates the Header fragment, which changes will be the result?

Which actions can be performed in AEM to troubleshoot performance issues?
(Choose three)

Which AEM Forms feature allows developers to build interactive forms with dynamic validation?

An AEM Forms Developer needs to generate a PDF invoice as a non-interactive document using AEM Forms OSGi Document services API. Which two services can the Forms Developer use?
(Choose two.)