Pass the Salesforce Developers PDI Questions and answers with ValidTests

Flow Builder:

Flow Builder can evaluate record criteria using a Decision element and then send an outbound message using the "Action" element.

Allows automation without Apex.

Approval Process:

Approval Processes can evaluate criteria and trigger outbound messages as one of the associated actions.

Why Not Other Options?

C. Entitlement Process: Focuses on managing entitlements, not triggering outbound messages.

D. Next Best Action: Used for recommendations and guided actions, not for triggering outbound messages.

Flow Builder Documentation: https://help.salesforce.com/s/articleView?id=flow_overview.htm

Approval Process Documentation: https://help.salesforce.com/s/articleView?id=approval_defining.htm

References:

 Option B: Escapes single quotes using String.escapeSingleQuotes, protecting against SOQL injection.

 Option C: Uses bind variables, which are inherently safe from SOQL injection.

A Global Picklist Value Set allows the same set of picklist values to be shared across multiple objects, making maintenance easier and ensuring consistency.

Why not other options?

B: Alphabetical ordering does not ensure consistent value maintenance across objects.

C: Validation rules do not streamline picklist value maintenance.

D: Restricting picklist values helps ensure data integrity but does not streamline maintenance across objects.

References:

Global Picklists Documentation

Global Access Modifier:

When building managed packages, methods and classes that need to be accessible outside the package namespace must be declared global.

Public restricts access to within the namespace.

Why Not Other Options?

B: Public limits access to within the namespace.

C and D: Mixing public and global incorrectly doesn't meet the requirement for external accessibility.

Managed Packages and Global Access: https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_classes_access_modifiers.htm

References:

To create and manage scratch orgs in Salesforce DX, the Dev Hub must be enabled in your Salesforce production or Developer Edition org. Dev Hub acts as the central hub for managing scratch orgs.

Option A: A screen-based flow is ideal for gathering multiple pieces of information from the user interactively. It provides a declarative way to guide the service agent through the process step-by-step.

Not Suitable:

Option B: An approval process is for routing records for approval, not for gathering user input.

Option C: Apex triggers are for automation, not for interactive user input.

Option D: A Lightning Component could work but requires custom development, which is less efficient than using flows.

To preserve the value of maxAttempts for the length of the Apex transaction and share its state between trigger executions:

Static Variable:

Static variables are initialized once per transaction and retain their value throughout the transaction.

They can be accessed without instantiating the class.

Private Scope:

Declaring it as private ensures encapsulation and prevents unintended external modification.

Helper Class:

Using a helper class ensures the separation of concerns, keeping trigger logic clean and adhering to best practices.

Example Code:public class HelperClass {

private static Integer maxAttempts = 5; // Default value

public static Integer getMaxAttempts() {

return maxAttempts;

}

public static void setMaxAttempts(Integer attempts) {

maxAttempts = attempts;

}

}

A: Constants (static + final) cannot be modified after initialization.

B: Trigger member variables cannot retain values across executions within the same transaction.

C: Declaring it as a non-static variable in a helper class would reset its value during each trigger execution.

Why Not the Other Options?

Why Prebuilt Components?

The Lightning Component Framework includes a library of prebuilt components, which developers can use to build applications faster.

Why Not Other Options?

A: The framework is exclusive to Lightning Experience, not Classic UI.

C: The framework does not provide templates but focuses on reusable components.

D: Extended governor limits are not provided by the framework.

Lightning Components Overview: https://developer.salesforce.com/docs/component-library/documentation/en/lwc

References:

The code provided processes all Case records in a single transaction. Since it attempts to process over 10,000 records, it exceeds the Salesforce governor limit of 50,000 DML rows per transaction, causing the transaction to fail.

Governor Limits on DML Rows (C):Salesforce enforces a governor limit of 50,000 rows for DML operations per transaction. In this case, if the SELECT query retrieves over 50,000 records, the Database.update call will hit this limit and throw a System.LimitException.

C: The Bulk API is designed for importing or exporting large volumes of data and works efficiently in development environments, but it respects storage limits.

D: Developer and Developer Pro sandboxes have different storage limits. Developer Pro has a larger storage limit compared to a Developer sandbox.

Why not other options?

A: Bulk API does not bypass storage limits.

B: The Data Import Wizard is a web-based tool, not an application installed on your computer.

References:

Salesforce Data Import and Export

Salesforce Bulk API