Get Salesforce Plat-Dev-201 Exam Practice Questions - Real and Updated

Answer : A, D

Declarative customizations, such as workflows, process builder, validation rules, and flows, offer a no-code approach to customizing Salesforce. Below are the key benefits:

Declarative customizations automatically update with each Salesforce release (A):Salesforce ensures that declarative tools are automatically updated during new releases, eliminating the need for manual intervention or code refactoring.

Declarative customizations generally require less maintenance (D):Because declarative tools use configurations rather than custom code, they are simpler tomanage, troubleshoot, and update. This significantly reduces the maintenance overhead compared to custom code.

Incorrect Options:

B:Declarative tools do not automatically generate test classes. This is specific to Apex code.

C:Declarative customizations can still result in runtime errors, such as invalid field updates or logic conflicts.

Answer : C

Validation Rule Violations:

Salesforce automatically throws exceptions for validation rule violations during DML operations.

is used to display these errors to the user.

Why Not Other Options?

A: Controller attributes alone cannot handle validation messages.

B: A try/catch block does not address validation rule violations effectively.

D:Database.upsert()method is not related to validation error handling.

Answer : C

Why Controller?

A customcontrollerallows:

Complex validation involving multiple objects.

Redirection to another Visualforce page upon success.

Controllers can implement custom save logic and redirect usingPageReference.

Why Not Other Options?

A . Apex: Apex is the underlying programming language, but a controller specifically handles the Visualforce logic.

B . Trigger: Triggers execute on DML events, not on button clicks in Visualforce.

D . Extension: Extensions enhance standard controllers but are not necessary here since a custom controller is being built.

Answer : A

Developer Sandboxes are ideal for individual developers. They provide the same configuration as production and allow developers to work independently.

Full Sandbox: Used for staging or testing environments, not suitable for individual developer work.

Developer Edition: Not connected to the production org and lacks sandbox functionality.

Partner Developer Edition: Used by ISVs for AppExchange development, not suitable for internal teams.

:

Salesforce Sandbox Overview

Answer : D

Salesforce requires that every trigger must have at least 1% test coverage to be deployed. Since the trigger in question has 0% test coverage, the deployment will fail even if the helper method and related classes meet the coverage requirement.