100% PASS QUIZ 2025 FANTASTIC SALESFORCE PREP DEX-450 GUIDE

100% Pass Quiz 2025 Fantastic Salesforce Prep DEX-450 Guide

100% Pass Quiz 2025 Fantastic Salesforce Prep DEX-450 Guide

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Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Sample Questions (Q113-Q118):

NEW QUESTION # 113
What are three characteristics of change set deployments?
Choose 3 answers

  • A. Change sets can be used to transfer records.
  • B. Change sets can only be used between related organization
  • C. Deployment is done in a one-way, single transaction.
  • D. Sending a change set between two orgs requires a deployment connection.
  • E. Change sets can deploy custom settings data.

Answer: B,C,D

Explanation:
Change Sets are a point-and-click tool for migrating metadata between related Salesforce orgs, such as from a sandbox to a production org.
Option C: Deployment is done in a one-way, single transaction.
Correct.
Change sets are deployed in a one-way direction from the source org to the destination org.
The deployment occurs in a single transaction. If any component fails to deploy, the entire deployment is rolled back.
Before deploying a change set, you must set up a deployment connection between the source and destination orgs.
This connection is established through the Setup menu under Deployment Connections.
Change sets can only be sent between orgs that are affiliated, such as a sandbox and its production org, or sandboxes that are clones of the same production org.
They cannot be used between unrelated orgs.
Change sets can deploy the metadata of custom settings (the definition), but not the actual data stored within them.
To move custom settings data, you must use a data migration tool like Data Loader.
Change sets are designed to transfer metadata components, not data records.
To transfer data records, use tools like Data Loader or Data Import Wizard.
Reference:
Deploy Change Sets
Option D: Sending a change set between two orgs requires a deployment connection.
Correct.
Create Deployment Connections
Option E: Change sets can only be used between related organizations.
Correct.
Change Sets Overview
Incorrect Options:
Option A: Change sets can deploy custom settings data.
Incorrect.
Change Set Considerations
Option B: Change sets can be used to transfer records.
Incorrect.
Deploy Metadata with Change Sets
Conclusion:
The three characteristics of change set deployments are C, D, and E.


NEW QUESTION # 114
A developer created a Visualforce page with a custom controller to show a list of accounts. The page uses the <apex:SelecList> component, with a variable called "selection", to show the valid values for Account.Type. The page uses an <apex:pageBlockTable> component to display the list of accounts, where the iteration variable is "acct". The developer wants to ensure that when a user selects a type on the <apex : selectList> component, only accounts with that type are shown on the page. What should the developer do to accomplish this?

  • A. Add the Rendered={!Acct.type==selection} attribute to the pageBlockTable component
  • B. Use the onChange event to update the list of accounts in the controller when the value changes, and then re-render the pageBlockTable.
  • C. Create multiple lists in the controller that represent the relevant accounts for each account type when the page loads, then reference the correct one dynamically on the pageBlockTable.
  • D. Create a component for each option and use a variable with hide parameter on the element.

Answer: B


NEW QUESTION # 115
A developer must modify the following code snippet to prevent the number of SOQL queries issued from exceeding the platform governor limit. public class without sharing OpportunityService( public static List<OpportunityLineItem> getOpportunityProducts(Set<Id> opportunityIds){ List<OpportunitylineItem> oppLineItems = new List<OpportunityLineItem>(); for(Id thisOppId : opportunityIds){ oppLineItems.addAll([Select Id FROM OpportunityLineItems WHERE OpportunityId = :thisOppId)]; } return oppLineItems; } } The above method might be called during a trigger execution via a Lightning component. Which technique should be implemented to avoid reaching the governor limit?

  • A. Refector the code above to perform the SOQL query only if the Set of opportunityIds contains less 100 Ids.
  • B. Use the System.Limits.getlimitQueries() method to ensure the number of queries is less than 100.
  • C. Refactor the code above to perform only one SOQL query, filtering by the Set of opportunityIds.
  • D. Use the System.Limits.getQueries() method to ensure the number of queries is less than 100.

Answer: C


NEW QUESTION # 116
What are two benefits of using declarative customizations over code? Choose 2 answers Choose 2 answers

  • A. Declarative customizations cannot generate run time errors.
  • B. Declarative customization* automatically generate test classes.
  • C. Declarative customizations automatically update with each Salesforce release.
  • D. Declarative customizations generally require less maintenance.

Answer: C,D

Explanation:
Declarative customizations in Salesforce refer to point-and-click configurations made through the Salesforce UI, such as creating objects, fields, workflows, and processes.
Option C: Declarative customizations automatically update with each Salesforce release.
True.
Declarative features are managed by Salesforce and are automatically updated and enhanced with each new release.
Users benefit from new features without needing to modify existing configurations.
Declarative solutions are typically simpler and less complex than code-based customizations.
They are easier to manage and require less ongoing maintenance.
Changes can be made without the need for a developer.
Declarative customizations do not generate test classes.
Test classes are required for Apex code and need to be written by developers.
Option B: Declarative customizations cannot generate run-time errors.
False.
While declarative customizations reduce the likelihood of errors, they can still result in run-time errors if misconfigured.
For example, validation rules or process builders can cause errors if they conflict with other processes.
Conclusion:
The benefits of using declarative customizations over code are that they automatically update with each Salesforce release (Option C) and generally require less maintenance (Option D).
Reference:
Salesforce Release Updates
Option D: Declarative customizations generally require less maintenance.
True.
Declarative vs. Programmatic Customization
Why Other Options are Not Accurate:
Option A: Declarative customizations automatically generate test classes.
False.


NEW QUESTION # 117
Universal Containers wants to assess the advantages of declarative development versus programmatic customization for specific use cases in its Salesforce implementation.
What are two characteristics of declarative development over programmatic customization? Choose 2 answers

  • A. Declarative development does not require Apex test classes.
  • B. Declarative development can be done using the setup menu.
  • C. Declarative development has higher design limits and query limits.
  • D. Declarative code logic does not require maintenance or review.

Answer: A,B


NEW QUESTION # 118
......

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