Prepare for Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience DEX-450 Exam Questions

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Question #1 (Topic: demo questions)

A developer is creating a Lightning web component to show a list of sales records. The Sales Representative user should be able to see the commission field on each record. The Sales Assistant user should be able to see all fields on the record except the commission field. How should this be enforced so that the component works for both users without showing any errors?

Use WITH SECURITY_ENFORCED In the SOQL that fetches the data for the component.

Use Security.stripInaccessible Le to remove fields inaccessible to the current user.

Use Lightning Locker Service to enforce sharing rules and field-level security.

Use Lightning Data Service to get the collection of sales records.

Correct Answer: B

Question #2 (Topic: demo questions)

Which three Salesforce resources can be accessed from a Lightning web component? Choose 3 answers

Static resources

All external libraries

SVG resources

Third-party web components

Content asset files

Correct Answer: A, C, E

Question #3 (Topic: demo questions)

What are two benefits of using declarative customizations over code? Choose 2 answer

Declarative customizations automatically update with each Salesforce release.

Declarative customizations automatically generate test classes.

Declarative customizations cannot generate run time errors

Declarative customizations generally require less maintenance

Correct Answer: A, D

Question #4 (Topic: demo questions)

A developer creates a batch Apex job to update a large number of records, and receives reports of the job timing out and not completing. What is the first step towards troubleshooting the issue?