Universal Containers has large number of custom applications that were built using a third-party javaScript framework and exposed using Visualforce pages. The Company wants to update these applications to apply styling that resembles the look and feel of Lightning Experience. What should the developer do to fulfill the business request in the quickest and most effective manner?

Before putting an app into production, which step should be taken?

A developer is creating anapplication to track engines and their parts. An individual part can be used in different types of engines. What data model should be used to track the data and to prevent orphan records?

What should a developer use to fix a Lightning web component bug in a sandbox?

Assuming that 'name; is a String obtained by an <apex:inputText> tag on a Visualforce page. Which two SOQL queries performed are safe from SOQL injections? Choose 2 answers