Salesforce CRT-450 Online Practice Questions and Exam Preparation

Salesforce CRT-450 Online Questions & Answers

• Question 401:

  A developer has JavaScript code that needs to be called by controller functions in multiple Aura components by extending a new abstract component. Which resource in the abstract Aura component bundle allows the developer to achieve this?

  A. helper.js
  B. controllers
  C. superRender.js
  D. renderer.js
  A. helper.js

• Question 402:

  A developer is asked to set a picklist field to `Monitor' on any new Leads owned by a subnet of Users. How should the developer implement this request?

  A. Create an after insert Lead trigger.
  B. Create a before insert Lead trigger.
  C. Create a Lead Workflow Rule Field Update.
  D. Create a Lead formula field.
  C. Create a Lead Workflow Rule Field Update.

• Question 403:

  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. Create a method named Save with a return data type of PageReference.
  B. Create a method that references this.superSave()
  C. Define the class with a constructor that takes an instance of StandardController as a parameter.
  D. Define the class with a constructor that creates a new instance of the StandardController class.
  A. 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.

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  Explanation/Reference:

• Question 404:

  Why would a developer use Test. startTest( ) and Test.stopTest( )?

  A. To avoid Apex code coverage requirements for the code between these lines
  B. To start and stop anonymous block execution when executing anonymous Apex code
  C. To indicate test code so that it does not Impact Apex line count governor limits.
  D. To create an additional set of governor limits during the execution of a single test class.
  D. To create an additional set of governor limits during the execution of a single test class.

• Question 405:

  A company has a custom object named Region. Each account in salesforce can only be related to one region at a time, but this relationship is optional. Which type of relantionship should a developer use to relate an account to a region?

  A. Parent-child
  B. Master-detail
  C. Hierarchical
  D. Lookup
  B. Master-detail

• Question 406:

  Universal Container uses Service Cloud with a custom field, stage_c, on the Case object.

  Management wants to send a follow-up email reminder 6 hours after the stage_c field is set to `';Waiting on customer'' The .... Administrator wants to ensure the solution used is bulk safe.

  Which two automation tools should a developer recommend to meet these business requirements?

  Choose 2 answers

  A. Scheduled Flow
  B. Einstein Next Best Action
  C. Record_Triggered Flow
  D. Process Builder
  A. Scheduled Flow
  C. Record_Triggered Flow

• Question 407:

  What are three techniques that a developer can use to invoke an anonymous block of code? Choose 3 answers

  A. Create a visualforce page that uses a controller class that is declared without sharing
  B. Type code into the developer console and execute it directly
  C. Type code into the execute anonymous tab in the force.com IDE and click execute
  D. Use the SOAP API to make a call to execute anonymous code
  E. Create and execute a test method that does not specify a runas() call
  B. Type code into the developer console and execute it directly
  C. Type code into the execute anonymous tab in the force.com IDE and click execute
  D. Use the SOAP API to make a call to execute anonymous code

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  Explanation/Reference:

• Question 408:

  A business has a proprietary Order Management System (OMS) that creates orders from their website and fulfills the orders. When the order is created in the OMS, an integration also creates an order record in Salesforce and relates it to the contact as identified by the email on the order. As the order goes through different stages in the OMS, the integration also updates It in Salesforce. It is noticed that each update from the OMS creates a new order record in Salesforce.

  Which two actions will prevent the duplicate order records from being created in Salesforce? Choose 2 answers

  A. Ensure that the order number in the OMS is unique.
  B. Use the order number from the OMS as an external ID.
  C. Use the email on the contact record as an external ID.
  D. Write a before trigger on the order object to delete any duplicates.
  A. Ensure that the order number in the OMS is unique.
  D. Write a before trigger on the order object to delete any duplicates.

• Question 409:

  An apex trigger fails because it exceeds governor limits. Which two techniques should a developer use to resolve the problem? Choose 2 answers

  A. Use the database class to handle DML operations
  B. Use maps to reference related records
  C. Use SOQL aggregate queries to retrieve child records
  D. Use lists for all DML operations
  B. Use maps to reference related records
  D. Use lists for all DML operations

• Question 410:

  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 qryName = % + String.escapeSingleQuotes(name)+ % ; String qryString = SELECT Id FROM Contact WHERE Name LIKE :qryNAme ; List queryResults = Database.query(qryString);
  D. 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 qryName = % + String.escapeSingleQuotes(name)+ % ; String qryString = SELECT Id FROM Contact WHERE Name LIKE :qryNAme ; List queryResults = Database.query(qryString);