Salesforce CRT-450 Online Practice Questions and Exam Preparation

Salesforce CRT-450 Online Questions & Answers

• Question 431:

  In Lightning component framework, which resource can be used to fire events? Choose 2 answers.

  A. Third-party Javascript code
  B. Javascript controller actions
  C. Visualforce controller actions
  D. Third-party web service code
  A. Third-party Javascript code
  B. Javascript controller actions

• Question 432:

  Universal Containers decides to use exclusively declarative development to build out a new Salesforce application. Which three options should be used to build out the database layer for the application? Choose 3 answers

  A. Roll-Up Summaries
  B. Triggers
  C. Relationships
  D. Process Builder
  E. Custom Objects and Fields
  A. Roll-Up Summaries
  C. Relationships
  D. Process Builder

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  Explanation/Reference:

• Question 433:

  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.escpaeSingleQuotes(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);
  A. String qryName = '%' + String.enforceSecurityChecks(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);

• Question 434:

  Opportunity opp=[SELECT Id,StageName FROM Opportunity LIMIT 1]; Given the code above,how can a developer get the label for the StageName field?

  A. Call Opportunity.StageName.Label
  B. Call Opportunity.StageName.getDescribe().getLabel()
  C. Call Opp.StageName.getDescri
  D. Call Opp.StageName.Label
  B. Call Opportunity.StageName.getDescribe().getLabel()

• Question 435:

  What should a developer do to check the code coverage of a class after running all tests?

  A. View the Code Coverage column in the view on the Apex Classes page.
  B. View the Class test Coverage tab on the Apex Class record.
  C. View the overall Code Coverage panel of the tab in the Developer Console.
  D. Select and run the class on the Apex Test Execution page
  B. View the Class test Coverage tab on the Apex Class record.

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  Explanation/Reference:

• Question 436:

  Universal Containers hires a developer to build a custom search page to help user- find the Accounts they want. Users will be able to search on Name, Description, and a custom comments field. Which consideration should the developer be aware of when deciding between SOQ1 Mid SOSI ? Choose 2 answers

  A. SOSL is able to return more records.
  B. SOQL is faster for text searches.
  C. SOSL is faster for tent searches.
  D. SOQL is able to return more records.
  C. SOSL is faster for tent searches.
  D. SOQL is able to return more records.

• Question 437:

  Which action can a developer take to reduce the execution time of the following code? List allaccounts = [select id from account]; list allcontacts = [select id, accountid from contact]; for (account a :allaccounts){ for (contact c:allcontacts){ if(c.accountid = a.id){ //do work } } }

  A. Use a map for allaccounts
  B. Add a group by clause to the contact SOQL
  C. Put the account loop inside the contact loop
  D. Create an apex helper class for the SOQL
  A. Use a map for allaccounts

• Question 438:

  A developer in a Salesforce org with 100 Accounts executes the following code using the Developer console:Account myAccount = new Account(Name = 'MyAccount');Insert myAccount;For (Integer x = 0; x < 150; x++) {Account newAccount = new Account (Name='MyAccount' + x);try {Insert newAccount;} catch (Exception ex) {System.debug (ex) ;}}insert new Account (Name='myAccount');How many accounts are in the org after this code is run?

  A. 101
  B. 100
  C. 102
  D. 252
  B. 100

• Question 439:

  A developer is creating a test coverage for a class and needs to insert records to validate functionality. Which method annotation should be used to create records for every method in the test class?

  A. @BeforeTest
  B. @isTest(SeeAllData=True)
  C. @TestSetup
  D. @PreTest
  C. @TestSetup

• Question 440:

  A developer wants to display all of the available record types for a Case object. The developer also wants to display the picklist values for the Case.Status field. The Case object and the Case.Status field are on a custom Visualforce page. Which action can the developer perform to get the record types and picklist values in the controller? (Choose 2)

  A. Use Schema.PicklistEntry returned by Case.Status.getDescribe().getPicklistValues().
  B. Use Schema.RecordTypeInfo returned by Case.sObjectType.getDescribe().getRecordTypeInfos().
  C. Use SOQL to query Case records in the org to get all the RecordType values available for Case.
  D. Use SOQL to query case records in the org to get all values for the Status picklist field.
  A. Use Schema.PicklistEntry returned by Case.Status.getDescribe().getPicklistValues().
  B. Use Schema.RecordTypeInfo returned by Case.sObjectType.getDescribe().getRecordTypeInfos().