[2023] Use Valid New Free DEX-450 Exam Dumps & Answers [Q58-Q81]

QUESTION 58
Requirements state that a child record be to deleted when its parent is deleted, and a child can be moved to a different parent when necessary. Which type of relationship should be built between the parent and child objects in Schema Builder to support these requirements?

QUESTION 59
The Job_Application__c custom object has a field that is a Master-Detail relationship to the Contact object, where the Contact object is the Master. As part of a feature implementation, a developer needs to retrieve a list containing all Contact records where the related Account Industry is ‘Technology’ while also retrieving the contact’s Job_Application__c records.
Based on the object’s relationships, what is the most efficient statement to retrieve the list of contacts?

QUESTION 60
Cloud kicks has a muli-screen flow its call center agents use when handling inbound service desk calls.
At one of the steps in the flow, the agents should be presented with a list of order number and dates that are retrieved from an external odrer management system in real time and displayed on the screen.
What shuold a developer use to satisfy this requirement?

QUESTION 61
In an organization that has enabled multiple currencies, a developer needs to aggregate the sum of the Estimated_value__c currency field from the CampaignMember object using a roll-up summary field called Total_estimated_value__c on Campaign.

QUESTION 62
Which statement should a developer avoid using inside procedural loops? (Choose 2)

QUESTION 63
Which three operations affect the number of times a trigger can fire?
Choose 3 answers

QUESTION 64
A developer has to Identify a method in an Apex class that performs resource intensive actions in memory by iterating over the result set of a SOQL statement on the account. The method also performs a DML statement to save the changes to the database. Which two techniques should the developer implement as a best practice to esure transaction control and avoid exceeding governor limits? Choose 2 answers

QUESTION 65
A developer has the following class and trigger code public class insurancerates{ public static final decimal smokercharge = 0.01; } trigger contacttrigger on contact (before insert){ insurancerates rates = new insurancerates(); decimal basecost=xxx; } Which code segment should a developer insert at the xxx to set the basecost variable to the value of the class variable smokercharge?

QUESTION 66
Which statement generates a list of Leads and Contacts that have a field with the phrase ‘ACME’?

QUESTION 67
Which two condition cause workflow rules to fire? Choose 2 answers

QUESTION 68
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?

QUESTION 69
Universal Containers recently transitioned from Classic to Lighting Experience. One of its business processes requires certain value from the opportunity object to be sent via HTTP REST callout to its external order management system based on a user-initiated action on the opportunity page. Example values are as follow Name Amount Account Which two methods should the developer implement to fulfill the business requirement? (Choose 2 answers)

QUESTION 70
hat are three techniques that a developer can use to invoke an anonymous block of code? Choose 3 answers

QUESTION 71
How many level of child records can be returned in a single SOQL query from one parent object

QUESTION 72
A developer must create a lightning component that allows users to input contact record information to create a contact record, including a salary__c custom field. what should the developer use, along with a lightning-record-edit form, so that salary__c field functions as a currency input and is only viewable and editable by users that have the correct field levelpermissions on salary__C?

QUESTION 73
A developer needs to write a method that searches for a phone number that could be on multiple object types. Which method should the developer use to accomplish this task?

QUESTION 74
What are two testing consideration when deploying code from a sandbox to production? Choose 2 answers

QUESTION 75
Which two platform features align to the Controller portion of MVC architecture? (Choose two.)

QUESTION 76
What is the requirement for a class to be used as a custom Visualforce controller?

QUESTION 77
Which three options allow a developer to use custom styling in a Visualforce page? (Choose three.)

QUESTION 78
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?

QUESTION 79
What is the advantage of Salesforce Lightning?

QUESTION 80
What is the value of the Trigger.old context variable in a Before Insert trigger?

QUESTION 81
What are the methods used to show input in classic and lightning ?