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NEW QUESTION # 115
What tool in the Developer Console contains information on SOQL query Cardinality?
- A. Checkpoints tab
- B. Query Editor
- C. Log Inspector
- D. Query Plan Tool
- E. View State Tab
Answer: D
Explanation:
Explanation/Reference:
NEW QUESTION # 116
Exhibit:
The test method above tests in Apex trigger that the developer knows will make a lot of queries when a lot of Accounts are simultaneously updated to be customers.
The test method fails at the Line 20 because of too many SOQL queries.
What is the correct way to fix this?
- A. Change the DataFactory class to create fewer Accounts so that the number of queries in the trigger is reduced
- B. Add Test.startTest() before Line 18 of the code and add Test.stopTest() after line 18 of the code
- C. Replace most of the Apex Trigger with Process Builder processes to reduce the number of queries in the trigger
- D. Add Test.startTest() before and Test.stopTest() after both Line 7 of the code and Line 20 of the code
Answer: B
Explanation:
https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_testing_tools_start_stop_test.
htm
NEW QUESTION # 117
A developer is trying to decide between creating a Visualforce component or a Lightning component for a custom screen. Which functionality consideration impacts the final decision?
- A. Will the screen be accessed via a mobile app?
- B. Does the screen need to be rendered as a PDF?
- C. Will the screen make use of a JavaScript framework?
- D. Does the screen need to be accessible from the Lightning Experience UI?
Answer: D
NEW QUESTION # 118
Which two best practices should the developer implement to optimize this code? Choose 2 answers
- A. Use a collection for the DML statement.
- B. Remove the DML statement.
- C. Query the Driving-Structure_C records outside of the loop
- D. Change the trigger context to after update, after insert
Answer: A,C
Explanation:
To optimize the code in question, it's important to follow best practices that reduce the number of SOQL queries and DML statements within loops, as these can quickly consume governor limits and lead to inefficiencies. Option C is correct because using a collection to hold records and performing a single DML operation outside of loops reduces the number of DML operations, which is a best practice for bulkifying code in Salesforce. Option D is also correct because querying records outside of a loop prevents hitting SOQL governor limits and makes the code more efficient. Options A and B are not correct in the context provided, as there isn't enough information to determine if changing the trigger context is necessary, and removing the DML statement altogether may not be feasible if the logic requires data to be persisted.
References
Apex Best Practices: Apex Developer Guide Best Practices
NEW QUESTION # 119
A developer wrote a trigger on Opportunity that will update a custom Last Sold Date field on the Opportunity's Account whenever an Opportunity is closed. In the test class for the trigger, the assertion to validate the Last Sold Date field fails.
What might be causing the failed assertion?
- A. The test class has not defined an Account owner when inserting the test data.
- B. The test class has not implemented seealldata=true in the test method.
- C. The test class has not re-queried the Account record after updating the Opportunity.
- D. The test class is not using System. runs () to run tests as a Salesforce administrator.
Answer: C
Explanation:
The test class may not be re-querying the Account record after updating the Opportunity, which is necessary to verify the updated field values. If the test does not query the database to get the most recent data after the trigger runs, it will not see the changes made by the trigger.References: Apex Developer Guide - Testing Best Practices
NEW QUESTION # 120
A developer is writing unit tests for the following method:
public static Boolean isFreezing(String celsiusTemp){ if(String.isNotBlank (celsiusTemp) && celsiusTemp.isNumeric()){ return Decimal.valueof(celsiusTemp) <
0; } return null; }
Which assertion would be used in a negative test case?
- A. System.assertEquals(true, isFreezing(null))
- B. System.assertEquals(true, isFreezing('IOO'))
- C. System.assertEquals (true, isFreezing('0')
- D. System.assertEquals(null, isFreezing('asdf'))
Answer: D
NEW QUESTION # 121
Just prior to a new deployment the Salesforce administrator, who configured a new order fulfillment process feature in a developer sandbox, suddenly left the company.
Ag part of the UAT cycle, the users had fully tested all of the changes in the sandbox and signed off on them; making the Order fulfillment feature ready for its go-live in the production environment.
Unfortunately, although a Change Set was started, it was not completed by the former administrator.
A developer is brought in to finish the deployment.
What should the developer do to identify the configuration changes that need to be moved into production?
- A. Use the Metadata API and a supported development IDE to push all of the configuration from the sandbox into production to ensure no changes are lost.
- B. In Salesforce setup, look at the last modified date for every object to determine which should be added to the Change Set.
- C. Set up Continuous Integration and a Git repository to automatically merge all changes from the sandbox metadata with the production metadata.
- D. Leverage the Setup Audit Trail to review the changes made by the departed Administrator and identify which changes should be added to the Change Set.
Answer: D
Explanation:
To identify the configuration changes made by the former administrator, the developer should leverage the Setup Audit Trail. This allows tracking changes made in the Setup area of Salesforce, showing the date of the change, who made it, and what the change was.References: Salesforce Help - Monitor Setup Changes
NEW QUESTION # 122
Given the following containment hierarchy:
What is the correct way to communicate the new value of a property named ''passthrough'' to my-parent component if the property is defined within my-child-component?
A)
B)
C)
D)
- A. Option D
- B. Option C
- C. Option B
- D. Option A
Answer: C
NEW QUESTION # 123
A developer writes the following Apex trigger so that when a Case is closed, a single Survey record is created for that Case. The issue is that multiple Survey-c records are being created per Case. trigger CaseTrigger on Case (after insert, after update) { List<Survey__c> createSurveys = new List<Survey__c>(); for (Case c :
trigger.new) { if (c.IsClosed && (trigger.isInsert ll trigger.isUpdate && trigger.oldMap.get(c.Id).IsClosed == false)) { createSurveys.add(new Survey__c(Case__c = c.Id)); insert createSurveys; } } What could be the cause of this issue?
- A. A user is creating the record as Closed
- B. A workflow rule is firing with a Field Update action.
- C. A user is editing the record multiple times.
- D. A workflow rule is firing with a Create Task action.
Answer: C
NEW QUESTION # 124
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?
- A. Create a Process, execute a Quaueable job from it, and make a callout from the Queueable job.
- B. Create an Apex trigger, execute a Queueable job from it, and make a callout from the Queueable job.
- C. Create a Before Save Flow, execute a Queueable job from it, and make a callout from the Queusable job.
- D. Create a Workflow Rule, execute a Queueable job from it, and make a callout from the Queueable job.
Answer: B
Explanation:
To make a callout to set the Address fields when an Account is inserted without violating the Salesforce limit against callouts from triggers, a developer can use a trigger to execute a Queueable job. The Queueable job can then safely make the callout.
References: Apex Developer Guide - Queueable Apex
NEW QUESTION # 125
A company's support process dictates that any time a Case is closed with a Status of 'Could not fix,' an Engineering Review custom object record should be created and populated with information from the Case, the Contact, and any of the Products associated with the Case. What is the correct way to automate this using an Apex trigger?
- A. An after upsert trigger that creates the Engineering Review record and inserts it
- B. A before update trigger that creates the Engineering Review record and inserts it
- C. An after update trigger that creates the Engineering Review record and inserts it
- D. A before update trigger that creates the Engineering Review record and inserts it
Answer: B
NEW QUESTION # 126
Universal Charities (UC) uses Salesforce to collect electronic donations in the form of credit card deductions from individuals and corporations.
When a customer service agent enters the credit card information, it must be sent to 8 3rd-party payment processor for the donation to be processed, UC uses one payment processor for individuals and a different one for corporations.
What should a developer use to store the payment processor settings for the different payment processors, so that their system administrator can modify the settings once they are deployed, if needed?
- A. Custom metadata
- B. Custom object
- C. List custom setting
- D. Hierarchy custom setting
Answer: A
Explanation:
Custom metadata types are ideal for storing payment processor settings that need to be changed by an administrator post-deployment. They can be deployed with managed packages and are upgradeable. Unlike Custom Objects, Custom Metadata Types also support a deployment with active data and can have their records retrieved via SOQL in Apex.
References: Salesforce Help - Custom Metadata Types Overview
NEW QUESTION # 127
Assuming the CreateOneAccount class creates one account and implements the Queueable interface, which syntax properly tests the Apex code?
- A.
- B.
- C.
- D.
Answer: D
Explanation:
To test Queueable Apex, Test.startTest() and Test.stopTest() should be used to ensure the asynchronous code is executed before assertions are made. After calling Test.stopTest(), you would then query for the records to assert that the queueable job correctly created the Account records.References: Apex Developer Guide - Testing Asynchronous Apex
NEW QUESTION # 128
What are three benefits of using declarative customizations over code? Choose 3 answers
- A. Declarative customizations are not subject to governor limits.
- B. Declarative customizations cannot generate run time errors.
- C. Dectarative customizations will automatically update with each Salesforce release.
- D. Declarative customizations do not require user testing.
- E. Declarative customizations generally require less maintenance.
Answer: A,C,E
NEW QUESTION # 129
A developer notices the execution of all the test methods in a class takes a long time to run, due to the initial setup of all the test data that is needed to perform the tests. What should the developer do to speed up test execution?
- A. Define a method that creates test data and annotate with @createData.
- B. Define a method that creates test data and annotate with @testSetup.
- C. Reduce the amount of test methods in the class.
- D. Ensure proper usage of test data factory in all test methods.
Answer: B
NEW QUESTION # 130
A developer creates an application event that has triggered an infinite loop.
What may have caused this problem?
- A. The event handler calls a trigger.
- B. The event has multiple handlers registered in the project.
- C. The event is fired from a custom renderer.
- D. An event is fired 'ontouchend'' and is unhandled.
Answer: C
Explanation:
The problem that may have caused an infinite loop when creating an application event is that the event is fired from a custom renderer. A custom renderer is a JavaScript file that overrides the default rendering behavior of a component. If the custom renderer fires an application event, it may trigger a re-rendering of the component or other components that handle the event. This may cause the event to be fired again, creating an infinite loop. The event having multiple handlers registered in the project, the event handler calling a trigger, or an event being fired 'ontouchend' and being unhandled are not likely to cause an infinite loop. Reference: [Application Events], [Custom Renderers]
NEW QUESTION # 131
A Visualforce page loads slowly due to the large amount of data it displays.
Which strategy can a developer use to improve the performance?
- A. Use an <apex:actionPoller> in the page to load all of the data asynchronously.
- B. Use lazy loading to load the data on demand, instead of the controller's constructor.
- C. Use the transient keywords for the List variables used in the custom controller.
- D. Use Javascript to move data processing to the browser instead of the controller.
Answer: B
NEW QUESTION # 132
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