Free Salesforce Plat-Dev-301 Practice Test & Real Exam Questions

A developer needs to store variables to control the style and behavior of a Lightning Web Component.
Which feature can be used to ensure that the variables are testable in both Production and all Sandboxes?

A company wants to incorporate a third-party weh service to set the Address fields when an Account is inserted, if they have not already been set.
What is the optimal way to achieve this?

A company has a web page that needs to get Account record information, such as name, website, and employee number. The Salesforce record 1D is known to the web page and it uses JavaScript to retrieve the account information.
Which method of integration is optimal?

Consider the following code snippet:

The Apex method is executed in an environment with a large data volume count for Accounts, and the query is performing poorly. Which technique should the developer implement to ensure the query performs optimally, while preserving the entire result set?

A company has a custom component that allows users to search for records of a certain object type by invoking an Apex Controller that returns a list of results based on the user's input. When the search is completed, a searchComplete event is fired, with the results put in a results attribute of the event. The component is designed to be used within other components and may appear on a single page more than once.
What is the optimal code that should be added to fire the event when the search has completed?
A)

B)

C)

D)

Universal Containers uses Salesforce to track orders in an order__c object.
The order = object has private organization-wide defaults. The order = object has a custom field, Quality_Controller_c, that is a Lookup to User and is used to indicate that the specified User is performing quality control on the order_ co.
What should be used to automatically give read only access to the User set in the Quality_Controller field?

A Lightning web component exists in the system and displays information about the record in context as a medal. Salesforce administrators need to use this component within the Lightning App Builder, Which two settings should the developer configure within the xml resource file?
Choose 2 answers

A Visualforce page needs to make a callout to get billing information and tax information from two different REST endpoints. The information needs to be displayed to the user at the same time and the return value of the billing information contains the input for the tax information callout. Each endpoint might take up to two minutes to process.
How should a developer implement the callouts?

An Aura component has a section that displays some information about an Account and it works well on the desktop, but users have to scroll horizontally to see the description field output on their mobile devices and tablets.

How should a developer change the component to be responsive for mobile and tablet devices? A)

B)

C)

D)

Universal Containers needs to integrate with their own, existing, internal custom web application. The web application accepts JSON payloads, resizes product images, and sends the resized images back to Salesforce.
What should the developer use to implement this integration?