Salesforce Salesforce Certifications CRT-450 Questions & Answers

• Question 461:

  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

  Correct Answer: B

• Question 462:

  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 PageReference.setRedirect() to redirect the user to a custom Visualforce page before the number of SOQL queries exceeds the limit.

  C. Use Messaging.SendEmail() to continue the transaction and send an alert to the user after the number of SOQL queries exceeds the limit.

  D. Use Limits.getQueries() and display an error message before the number of SOQL queries exceeds the limit.

  Correct Answer: D

• Question 463:

  Given the code block: Integer x; for (x =0; x<10; x+=2){ if (x==8) break; if (x==10) break; } system.debug(x); Which value will the system.debug display?

  A. 2

  B. 4

  C. 8

  D. 10

  Correct Answer: C

• Question 464:

  An Apex transaction inserts 100 Account records and 2,000 Contact records before encountering a DML exception when attempting to insert 500 Opportunity records. The Account records are inserted by calling the database.insert() method with the allOrNone argument set to false. The Contact and Opportunity records are inserted using the standalone insert statement. How many total records will be committed to the database in this transaction?

  A. 100

  B. 2000

  C. 2100

  D. 0

  Correct Answer: A

• Question 465:

  A developer working on a time management application wants to make total hours for each timecard available to applications users. A timecard entry has a Master-Detail relationship to a timecard. Which approach should the developer use to accomplish this declaratively?

  A. A visualforce page that calculates the total number of hours for a timecard and displays it on the page.

  B. An Apex trigger that uses an Aggregate Query to calculate the hours for a given timecard and stores it in a custom field.

  C. A Roll-up Summary field on the Timecard Object that calculates the total hours from timecard entries for that timecard.

  D. A Process Builder process that updates a field on the timecard entry is created.

  Correct Answer: C

• Question 466:

  In the code below, which type does String inherit from? String s = 'Hello World';

  A. Prototype

  B. Object

  C. Object

  D. Class

  Correct Answer: B

• Question 467:

  Which two roll-up summary field types are required to find the average of values on detail records in a Master-Detail relationship?

  A. Roll-up summary field of type COUNT

  B. Roll-up summary field of type SUM

  C. Roll-up summary field of type NUM

  D. Roll-up summary field of type TOTAL

  Correct Answer: AB

• Question 468:

  A developer wants to display all of the picklist entries for the Opportunity StageName field and all of the available record types for the Opportunity object on a Visualforce page. Which two actions should the developer perform to get the available picklist values and record types in the controller? Choose 2 answers.

  A. Use Schema.RecordTypeInfo returned by RecordType.SObjectType.getDescribe().getRecordTypeInfos().

  B. Use Schema.PicklistEntry returned by Opportunity.SObjectType.getDescribe().getPicklistValues().

  C. Use Schema.PicklistEntry returned by Opportunity.StageName.getDescribe().getPicklistValues().

  D. Use Schema.RecordTypeInfo returned by Opportunity.SObjectType.getDescribe().getRecordTypeInfos().

  Correct Answer: BD

• Question 469:

  A developer needs to include a Visualforce page in the detail section of a page layout for the Account object, but does not see the page as an available option in the Page Layout Editor. Which attribute must the developer include in the tag to ensure the Visualforce page can be embedded in a page layout?

  A. Action="AccountId"

  B. StandardController="Account"

  C. Extensions="AccountController"

  D. Controller="Account"

  Correct Answer: B

• Question 470:

  A developer wants to handle the click event for a lightning:button component. The on click attribute for the component references a JavaScript function in which resource in the component bundle?

  A. Helper.js

  B. Handler.js

  C. Controller.js

  D. Renderer.js

  Correct Answer: C