The use of the transient keyword in Visualforce page controllers helps with which common performance issue?
A developer created 2 class that implements the Queueable Interface, as follows:
As part of the deployment process, the developer is asked to create a corresponding test class.
Which two actions should the developer take to successfully execute the test class?
Choose 2 answers
A developer is developing a reusable Aura component that will reside on an sObject Lightning page with the following HTML snippet:
How can the component"5 controller get the context of the Lightning page that the sObject is on without requiring additional test coverage?
A company needs to automatically delete sensitive information after seven years.
This could delete almost a million records every day.
How can this be achieved?
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?
There are user complaints about slow render times of a custom data table within a Visualforce page that loads thousands of Account records at once.
What can a developer do to help alleviate such issues?
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?
An org records customer order information in a custom object, ordar__c, that has
fields for the shipping address. A developer is tasked with adding code to calculate
shipping charges on an order, based on a flat percentage rate associated with the
region of the shipping address.
What should the developer use to store the rates by region, so that when the changes are deployed to production no additional steps are needed for the calculation to work?
Universal Containers wants to notify an external system in the event that an unhandled exception occurs when their nightly Apex batch job runs.
What is the appropriate publish/subscribe logic to meet this requirement?
How should a developer verify that a specific Account record is being tested in a test
class for a Visualforce controller?
A developer writes a Lightning web component that displays a dropdown list of all custom objects in the org from which a user will select. An Apex method prepares and returns data to the component.
What should the developer do to determine which objects to include in the response?
An org has 2 requirement that addresses on Contacts and Accounts should be normalized to a company standard by Apex code any time that they are saved.
What is the optimal way to implement this?
A company uses Dpportunities to track sales to their customers and their org has millions of Opportunities. They want to begin to track revenue over time through a related Revenue object.
As part of their initial implementation, they want to perform a one-time seeding of their data by automatically creating and populating Revenue records for Opportunities, based on complex logic.
They estimate that roughly 100,000 Opportunities will have Revenue records created and populated.
What is the optimal way to automate this?
How can a developer efficiently incorporate multiple JavaScript libraries in an Aura component?
Which two queries are selective SOQL queries and can be used for a large data set of 200,000 Account records?
Choose 2 answers
A developer is tasked with creating a Lightning web component that is responsive on various devices,
Which two components should help accomplish this goal?
Choose 2 answers
Which three actions must be completed in a Lightning web component for a JavaScript file In a static resource to be loaded? Choose 3 answers