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What is the duration, language, and format of Salesforce DEX-450 Exam
- There is a time limit of 120 minutes for the exam.
- The type of questions is Multiple Choice and situation-based questions.
- Certification Validity period : 3 years.
The validity of the Salesforce DEX-450 certification is three years.
How to book the Salesforce DEX-450 Exam
There are the following steps for registering the Salesforce DEX-450 exam:
Step 1: Visit Salesforce Exam RegistrationStep 2: Signup/Login to Salesforce accountStep 4: Select Date, time and confirm with the payment method
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Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Sample Questions (Q69-Q74):
NEW 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)
- A. Create a Visualforce page that performs the HTTP REST callout, and use a Visualforce quick action to expose the component on the Opportunity detail page.
- B. Create an after update trigger on the Opportunity object that calls a helper method using @Future(Callout=true) to perform the HTTP REST callout.
- C. Create a Lightning component that performs the HTTP REST callout, and use a Lightning Action to expose the component on the Opportunity detail page.
- D. Create a Process Builder on the Opportunity object that executes an Apex immediate action to perform the HTTP REST callout whenever the Opportunity is updated.
Answer: B,C
NEW QUESTION # 70
A company has a custom object, Sales, }_Help_Request__c, that has a Lookup relationship to Opportunity. The Seles Help Request__c has a mumber field, Number_ct_Hours__c, that represents the amount of time spent on the Sales_Help Request__C.
A developer is tasked with creating a field, total_Hour2__c, on Opportunity that should be the sum of all of the Number_of_Hours_c values for the Sales_Help_Request__c records related to that Opportunity.
What should the developer use to implement this?
- A. A trigger on the Opportunity object
- B. A roll-up summary field on the sales Help_Request__c object
- C. A roll-up summary field on the Opportunity object
- D. A record-triggered flow on the Sales Help Request__c object
Answer: A
NEW QUESTION # 71
What are two valid options for iterating through each Account in the collection List <Account> named AccountList? Choose 2 answers.
- A. For(AccountList){...}
- B. For (Account theAccount : AccountList){...}
- C. For (List L : AccountList) {...}
- D. For (Integer i=0; i<AccountList. Size();i++){...}
Answer: B,D
NEW QUESTION # 72
What is a valid statement about Apex classes and interfaces? Choose 2 answers:
- A. A class can have multiple levels of inner classes.
- B. The default modifier for a class is private.
- C. The default modifier for an interface is private.
- D. Exception classes must end with the word exception.
Answer: C,D
NEW QUESTION # 73
A Visual Flow uses an apex Action to provide additional information about multiple Contacts, stored in a custom class, contactInfo. Which is the correct definition of the Apex method that gets additional information?
- A. @InvocableMethod(Label='additional Info')
public ContactInfo(Id contactId)
{ /*implementation*/ } - B. @invocableMethod(label)='Additional Info')
public static List<ContactInfo> getInfo(List<Id> contactIds)
{ /*Implementation*/ } - C. @InvocableMethod(label='additional Info')
public static ContactInfo getInfo(Id contactId)
{ /*implementation*/ } - D. @InvocableMethod(label='Additional Info')
public List<ContactInfo> getInfo(List<Id> contactIds)
{ /*implementation*/ }
Answer: B
NEW QUESTION # 74
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