Best Quality Salesforce CRT-450 Exam Questions TestPassKing Realistic Practice Exams [2025]
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NEW QUESTION # 75
A platform developer at Universal Containers needs to create a custom button for the Account object that, when clicked, will perform a series of calculations and redirect the user to a custom Visualforce page.
Which three attributes need to be defined with values in the <apex:page> tag to accomplish this?
(Choose three.)
- A. extensions
- B. action
- C. renderAs
- D. standardController
- E. readOnly
Answer: B,C,D
NEW QUESTION # 76
How can a developer get all of the available record types for the current user on the case object?
- A. Usedescribesobjectresult of the case object
- B. Use case.getrecordtypes()
- C. Use describefieldresult of the case.recordtype field
- D. Use SOQL to get all cases
Answer: C
NEW QUESTION # 77
What is the maximum number of SOQL queries used by the following code? List<Account> aList =
[SELECT Id FROM Account LIMIT 5]; for (Account a : aList){ List<Contact> cList = [SELECT Id FROM Contact WHERE AccountId = :a.Id); }
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION # 78
hat are three techniques that a developer can use to invoke an anonymous block of code? Choose 3 answers
- A. Type code into the developer console and execute it directly
- B. Type code into the execute anonymous tab in the force.com IDE and click execute
- C. Create and execute a test method that does not specify a runas() call
- D. Create a visualforce page that uses a controller class that is declared without sharing
- E. Use the SOAP API to make a call to execute anonymous code
Answer: A,B,E
NEW QUESTION # 79
A developer creates a custom exception as shown below:
public class ParityException extends Exception { }
What are two ways the developer can fire the exception in Apex?
- A. new ParityException ();
- B. new ParityException('parity does not match');
- C. throw new parityException ('parity does not match');
- D. throw new ParityException ();
Answer: C,D
NEW QUESTION # 80
Which three declarative fields are correctly mapped to variable types in Apex? (Choose three.)
- A. Number maps to Decimal.
- B. Number maps to Integer.
- C. Checkbox maps to Boolean.
- D. Date/Time maps to Dateline.
- E. TextArea maps to List of type String.
Answer: A,C,D
NEW QUESTION # 81
Which two queries can a developer use in a Visualforce controller to protect against SOQL injection vulnerabilities? Choose 2 answers
- A. String qryName = % + String.enforceSecurityChecks(name)+ % ;
String qryString = SELECT Id FROM Contact WHERE Name LIKE :qryNAme ;
List queryResults = Database.query(qryString); - B. String qryName = % + name % ;
String qryString = SELECT Id FROM Contact WHERE Name LIKE :qryNAme ;
List queryResults = Database.query(qryString); - C. String qryString = SELECT Id FROM Contact WHERE Name LIKE :qryNAme ; List queryResults = Database.query(qryString);
- D. String qryName = % + String.escapeSingleQuotes(name)+ % ;
String qryString = SELECT Id FROM Contact WHERE Name LIKE :qryNAme ;
List queryResults = Database.query(qryString);
Answer: B,D
NEW QUESTION # 82
A custom object Trainer_ < has a lookup field to another custom object cym__ c.
Which SOQL query will get the record for the Viridian City Gym and all it's trainers?
- A. SELECT Id; (SELECT Id FROM Trainers_r) FROM Gym_ _c WHERE Name = 'Viridian City Gym'
- B. SELECT Id, (SELECT Id FROM Trainers_c) FROM Gym_c WHERE Name - 'Viridian City Gym''
- C. SELECT Id, (SELECT Id FROM Trainer_c) FROM Gym__c WHERE Name = 'Viridian City Gym'
- D. SELECT ID FROM Trainer ยข WHERE Gym__r.Name = 'Viridian City Gym'
Answer: A
Explanation:
Given that Trainer__c has a lookup field to Gym__c, to retrieve the record for the 'Viridian City Gym' and all its trainers, the correct SOQL query is:
Option A:
SELECT Id, (SELECT Id FROM Trainers__r) FROM Gym__c WHERE Name = 'Viridian City Gym' Parent-to-Child Query (Subquery):
To retrieve child records (trainers) from the parent record (gym), you perform a subquery using the child relationship name.
Child Relationship Name:
For a lookup relationship, the child relationship name can be found in the relationship settings.
By default, if the lookup field on Trainer__c is Gym__c, the child relationship name is Trainers__r.
Query Breakdown:
SELECT Id, (SELECT Id FROM Trainers__r) FROM Gym__c WHERE Name = 'Viridian City Gym' Selects the Gym record and all related Trainers.
Why Other Options Are Incorrect:
Option B: (SELECT Id FROM Trainer__c)
Trainer__c is an object, not a relationship name, so the subquery is incorrect.
Option C: SELECT ID FROM Trainer__c WHERE Gym__r.Name = 'Viridian City Gym' This query retrieves Trainer records, not the Gym record and its trainers as specified.
Option D: (SELECT Id FROM Trainers__c)
Trainers__c is incorrect; the child relationship name should end with __r in subqueries.
Reference:
SOQL Relationships and Subqueries:
"To retrieve related child records, use a subquery in the SELECT clause."
- Salesforce SOQL and SOSL Reference: Relationship Queries
Conclusion:
Option A correctly retrieves the Gym record and all its related Trainer records using a parent-to-child subquery.
NEW QUESTION # 83
An Apex method, getAccounts, that returns a list of Accounts given a searchTerm, is available for Lightning Web Components to use.
What is the correct definition of a Lightning Web Component property that uses the getAccounts method?
- A.
- B.
- C.
- D.
Answer: C
NEW QUESTION # 84
A Platform Developer needs to implement a declarative solution that will display the most recent Closed Won date for all Opportunity records associated with an Account.
Which field is required to achieve this declaratively?
- A. Cross-object formula field on the Account object
- B. Roll-up summary field on the Account object
- C. Roll-up summary field on the Opportunity object
- D. Cross-object formula field on the Opportunity object
Answer: B
NEW QUESTION # 85
A visualforce interface is created for Case Management that includes both standard and custom functionality defined in an Apex class called myControllerExtension. The visualforce page should include which
<apex:page> attribute(s) to correctly implement controller functionality?
- A. Controller=" myControllerExtension"
- B. StandardController = "case" and extensions =" myControllerExtension"
- C. Controller = "case" and extensions =" myControllerExtension"
- D. Extensions=" myControllerExtension"
Answer: B
NEW QUESTION # 86
How does the Lightning Component framework help developers implement solutions faster?
- A. By providing an Agile process with default steps
- B. By providing change history and version control
- C. By providing code review standards and processes
- D. By providing device-awareness for mobile and desktops
Answer: D
Explanation:
* By providing device-awareness for mobile and desktops. This is true because the Lightning Component framework is a UI framework for developing Lightning components for mobile and desktop devices.
Lightning web components and Aura components can coexist and interoperate on a page. The framework takes care of rendering the components appropriately for different devices and screen sizes1.
* By providing an Agile process with default steps. This is false because the Lightning Component framework does not provide any specific process or methodology for developing solutions. Developers can use any process that suits their needs, such as Agile, Waterfall, or Scrum2.
* By providing code review standards and processes. This is false because the Lightning Component framework does not provide any code review standards or processes. Developers are responsible for ensuring the quality and maintainability of their code, and they can use tools such as code analysis, testing, and debugging to help them3.
* By providing change history and version control. This is false because the Lightning Component framework does not provide any change history or version control features. Developers can use tools such as Git, SVN, or Salesforce DX to manage their source code and track changes.
References:
* 1: Introducing Aura Components
* 2: Agile Development with Salesforce
* 3: Code Quality and Code Analysis
* : Source Control and Salesforce Development
NEW QUESTION # 87
Cloud Kicks Fitness, an ISV Salesforce partner, is developing a managed package application. One of the application modules allows the user to calculate body fat using the Apex class, BodyFat, and its method, calculateBodyFat(). The product owner wants to ensure this method is accessible by the consumer of the application when developing customizations outside the ISV's package namespace.
Which approach should a developer take to ensure calculateBodyFat() is accessible outside the package namespace?
- A. Declare the class as global and use the public access modifier on the method.
- B. Declare the class and method using the global access modifier.
- C. Declare the class as public and use the global access modifier on the method.
- D. Declare the class and method using the public access modifier.
Answer: B
Explanation:
The global access modifier declares that the class and method are known by all Apex code everywhere, not just within the same application or package namespace. This access modifier must be used for any method that must be referenced outside of the application, either in SOAP API or by other Apex code1. The other options are either incorrect or insufficient, as they do not guarantee the accessibility of the method outside the package namespace2. References:
* Access Modifiers | Apex Developer Guide | Salesforce Developers
* Global Modifier Accessing Public Elements in a Managed Package
NEW QUESTION # 88
A developer is debugging the following code to determinate why Accounts are not being created Account a = new Account(Name = 'A'); Database.insert(a, false); How should the code be altered to help debug the issue?
- A. Add a System.debug() statement before the insert method
- B. Set the second insert method parameter to TRUE
- C. Add a try/catch around the insert method
- D. Collect the insert method return value a Saveresult variable
Answer: C
NEW QUESTION # 89
What is a capability of the Force.com IDE? Choose 2 answers
- A. Run Apex tests.
- B. Roll back deployments.
- C. Edit metadata components.
- D. Download debug logs.
Answer: A,C
NEW QUESTION # 90
A developer created these three Rollup Summary fields in the custom object, Project__c:
The developer is asked to create a new field that shows the ratio between rejected and approved timesheets for a given project.
Which should the developer use to implement the business requirement in order to minimize maintenance overhead?
- A. Formula field
- B. Apex trigger
- C. Record-triggered flow
- D. Roll-up summary field
Answer: A
NEW QUESTION # 91
How can a developer warn users of SOQL governor limit violations in a trigger?
- A. Use ApexMessage.Message() to display an error message after the number of SOQL queries exceeds the limit.
- B. Use Messaging.SendEmail() to continue the transaction and send an alert to the user after the number of SOQL queries exceeds the limit.
- C. Use Limits.getQueries() and display an error message before the number of SOQL queries exceeds the limit.
- D. Use PageReference.setRedirect() to redirect the user to a custom Visualforce page before the number of SOQL queries exceeds the limit.
Answer: C
NEW QUESTION # 92
A developer wants to use all of the functionality provided by the standard controller for an object, but needs to override the Save standard action in a controller extension. Which two are required in the controller extension class?
- A. Define the class with a constructor that creates a new instance of the StandardController class.
- B. Create a method named Save with a return data type of PageReference.
- C. Define the class with a constructor that takes an instance of StandardController as a parameter.
- D. Create a method that references this.superSave()
Answer: B,C
NEW QUESTION # 93
Universal Containers wants to ensure that all new leads created in the system have a valid email address. They have already created a validation rule to enforce this requirement, but want to add an additional layer of validation using automation.
What would be the best solution for this requirement?
- A. Use a custom Lightning Web component to make a callout to validate the fields on a third party system.
- B. Submit a REST API Callout with a JSON payload and validate the fields on a third party system
- C. Use a before-save Apex trigger on the Lead object to validate the email address and display an error message if it is invalid
- D. Use an Approval Process to enforce the completion of a valid email address using an outbound message action.
Answer: C
Explanation:
Before-save Apex Trigger:
This is the best solution because a before-save trigger runs before the record is saved to the database, providing an opportunity to validate or modify the data.
In this case, the Apex trigger can validate the email address using a regular expression or a third-party API call to ensure the email address is valid. If the email is invalid, an error message can be displayed using addError().
Why not the other options?
A . Submit a REST API Callout with a JSON payload:
REST callouts are more complex and generally not recommended for simple validation tasks like email format validation. Additionally, callouts cannot be performed directly in a before-save trigger.
C . Use a custom Lightning Web Component (LWC):
LWCs are primarily for UI interactions and should not be used to enforce data validations that are server-side requirements.
D . Use an Approval Process:
Approval Processes are for managing the approval flow of records, not for real-time validations. They cannot enforce email validation directly.
Reference:
Apex Triggers Documentation
Trigger Context Variables
NEW QUESTION # 94
A developer writes a before insert trigger.How can the developer access the incoming records in the trigger body?
- A. By accessing the Trigger.newMap context variable.
- B. By accessing the Tripper.newList context variable.
- C. By accessing the Trigger.newRecords context variable.
- D. By accessing the Trigger.new context variable.
Answer: D
NEW QUESTION # 95
Universal Containers wants a list button to display a Visualforce page that allows users to edit multiple records.
Which Visualforce feature supports this requirement?
- A.
- B.
- C.
- D.
Answer: A
Explanation:
https://developer.salesforce.com/docs/atlas.en-us.pages.meta/pages/pages_controller_sosc_custom_button.htm
NEW QUESTION # 96
Which two statements are true about using the @testSetup annotation in an Apex test class?
Choose 2 answers
- A. Records created in the test setup method cannot be updated in individual test methods.
- B. A method defined with the @testSetup annotation executes once for each test method in the test class and counts towards system limits.
- C. Test data is inserted once for all test methods in a class.
- D. Qo The @testSetup annotation is not supported when the GisTest(SeeAllData=True) annotation is used.
Answer: B,D
NEW QUESTION # 97
A developer must create a Lightning component that allows users to input Contact record information to create a Contact record, including a Salary__ccustom field.
What should the developer use, along with a lightning-record-edit-form, so that Salary__cfield functions as a currency input and is only viewable and editable by users that have the correct field level permissions on Salary__c?
- A.
- B.
- C.
- D.
Answer: B
Explanation:
Explanation/Reference:
NEW QUESTION # 98
Universal Containers implemented a private sharing model for the Account object. A custom Account search tool was developed with Apex to help sales representatives find accounts that match multiple criteria they specify. Since its release, users of the tool report they can see Accounts they do not own.
What should the developer use to enforce sharing permissions for the currently logged in user while using the custom search tool?
- A. Use the without sharing keyword on the class declaration.
- B. Use the with sharing keyword on the class declaration.
- C. Use the userInfo Apex class to filter all SOQL queries to returned records owned by the logged-in user.
- D. Use the schema describe calls to determine if the logged-in user has access to the Account object.
Answer: B
NEW QUESTION # 99
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