Salesforce Updated PDII Exam Questions and Answers by mikayla

Refer to the exhibit

Users of this Visualforce page complain that the page does a full refresh every time the Search button Is pressed.

What should the developer do to ensure that a partial refresh Is made so that only the section identified with opportunity List is re-drawn on the screen?

A developer is working on an integration between Salestorce and an external system. The integration requires sending a large amount of data to the external systern, which can cause long response times and timeouts.

To optimize the performance and avoid timeouts, which technique should be used?

A developer created a Lightning web component that uses a lightning-record-edit-form to collect information about Leads. Users complain that they only see one error message at a time about their input when trying to save a Lead record.

What is the recommended approach to perform validations on more than one field, and display multiple error messages simultaneously with minimal JavaScript intervention?

Given a list of Opportunity records named opportunityList, which code snippet is best for querying all Contacts of the Opportunity's Account?

A)

B)

C)

D)