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[2023] Pass Salesforce DEX-450 Exam in First Attempt Easily [Q80-Q101]




[2023] Pass Salesforce DEX-450 Exam in First Attempt Easily

The Most Efficient DEX-450 Pdf Dumps For Assured Success 

NO.80 What are two characteristics related to formulas? Choose 2 answers.

 
 
 
 

NO.81 Which code should be used to update an existing Visualforce page that uses standard Visualforce components so that the page matches the look and feel of Lightning Experience?

 
 
 
 

NO.82 An org has different Apex Classes that provide Account -related functionality.After a new validation rule is added to the object, many of the test methods fail.What can be done to resolve the failures and reduce the number of code changes needed for future validation rules?Choose 2 answers:

 
 
 
 

NO.83 A developer wants to list all of the Tasks for each Account on the Account detail page. When a task is created for a Contact, what does the developer need to do to display the Task on the related Account record?

 
 
 
 

NO.84 A developer wants to retrieve the Contacts and Users with the email addres ‘[email protected]’. Which SOSL statement should the developer use?

 
 
 
 

NO.85 A developer runs the following anonymous code block:List<Account> acc = [SELECT Id FROM Account LIMIT 10];Delete acc;Database.emptyRecycleBin(acc);system.debug(Limits.getDMLStatements()+ ‘, ‘
+Limits.getLimitDMLStatements());What is the result?

 
 
 
 

NO.86 Refer to the following code snippet for an environment has more than 200 Accounts belonging to the Technology’ industry:

When the code execution, which two events occur as a result of the Apex transaction?
When the code executes, which two events occur as a result of the Apex transaction?
Choose 2 answers

 
 
 
 

NO.87 A developer encounters APEX heap limit errors in a trigger.
Which two methods should the developer use to avoid this error? (Choose two.)

 
 
 
 

NO.88 A developer uses a Test Setup method to create an Account named ‘Test’. The first test method deletes the Account record. What must be done in the second test method to use the Account?

 
 
 
 

NO.89 What is an example of a polymorphic lookup field in Salesforce?

 
 
 
 

NO.90 Which two statements are acceptable for a developer to use inside procedural loops?

 
 
 
 

NO.91 What is a capability of the <ltng:require> tag that is used for loading external Javascript libraries in Lightning Component? (Choose three.)

 
 
 
 
 

NO.92 A developer is creating an app that contains multiple Lightning web components.
One of the child components is used for navigation purposes. When a user click a button called.. component, the parent component must be alerted so it can navigate to the next page.
How should this be accomplished?

 
 
 
 

NO.93 A developer has a VF page and custom controller to save Account records. The developer wants to display any validation rule violation to the user. How can the developer make sure that validation rule violations are displayed?

 
 
 
 

NO.94 In terms of the MVC paradigm, what are two advantages of implementing the layer of a Salesforce application using Aura Component-based development over Visualforce? Choose 2 answers

 
 
 
 

NO.95 Universal Containers wants Opportunities to be locked from editing when reaching the Closed/Won stage.
Which two strategies should a developer use to accomplish this? Choose 2 answers

 
 

NO.96 A developer writes a before insert trigger.How can the developer access the incoming records in the trigger body?

 
 
 
 

NO.97 A company that uses a Custom object to track candidates would like to send candidate information automatically to a third -party human resource system when a candidate is hired. What can a developer do to accomplish this task?

 
 
 
 

NO.98 A developer needs to display all of the available fields for an object.
In which two ways can the developer retrieve the available fields if the variable myObject represents the name of the object? (Choose two.)

 
 
 
 

NO.99 A newly hired developer discovers that there are multiple triggers on the case object.
What should the developer consider when working with triggers?

 
 
 
 

NO.100 Assuming that ‘name; is a String obtained by an <apex:inputText> tag on a Visualforce page. Which two SOQL queries performed are safe from SOQL injections? Choose 2 answers

 
 
 
 

NO.101 A developer executes the following code in the Developer Console:
List<Account> fList = new List <Account> ();For(integer i= 1; I <= 200; i++){fList.add(new Account ( Name = ‘Universal Account ‘ + i));}Insert fList;List <Account> sList = new List<Account>();For (integer I = 201; I <=
20000; i ++){sList.add(new Account (Name = ‘Universal Account ‘ + i));}Insert sList;How many accounts are created in the Salesforce organization ?

 
 
 
 


How much Salesforce DEX-450 Exam Cost

The price of the Salesforce DEX-450 certification is $375 USD, for more information related to the Salesforce DEX-450 Exam please visit Salesforce website.


Topics of Salesforce DEX-450 Exam

Aspirants must know the exam topics before they start of preparation. Because it will help them to prepare for the below concepts. DEX-450 exam will include the following topics:

1. Objects and Fields

Describe the capabilities of objects on the Salesforce platform Create a custom object Create custom fields Create relationship fields

2. Work Effectively with Custom Objects and Fields

Create formula fields Create roll-up summary fields Describe the capabilities of record types

3. Programming with Apex

Describe key aspects of Apex that differentiate it from other languages, such as Java and C# Describe why Apex transactions and governor limits must be considered when writing Apex Execute simple Apex Use the sObject data type, the primitive data types, and basic control statements in Apex

4. Use SOQL to Query Your Org's Data

Write a basic query using Salesforce's query language, SOQL Process the result of a query in Apex Create a query dynamically at run-time Use SOQL to Query - Parent-Child Relationships Describe a relationship query Write a query that traverses a child-to-parent relationship Write a query that traverses a parent-to-child relationship

5. DML Essentials

List the differences between the ways you can invoke DML operations Write Apex to invoke DML operations and handle DML errors

6. Trigger Essentials

Describe what a trigger is used for Describe the syntax of a trigger definition Use trigger context variables

7. Apex Class Essentials

Describe how Apex classes are used Define an Apex class Determine what data an Apex class can access

8. The Save Order of Execution and Apex Transactions

Describe key points in the Order of Execution Describe how triggers fit into and can be impacted by the Order of Execution Describe the lifecycle of an Apex Transaction Describe the memory lifecycle for static variables

9. Testing Essentials

Describe Apex's testing framework Create test data Write and run an Apex test

10. Testing Strategies

Describe practices for writing code that is easy to maintain and extend Write triggers and classes that assume batches of data as input Write code that works efficiently with the database, both in querying and using DML

11. Strategies for Designing Efficient Apex Solutions

Determine your code coverage percentages Create tests using best practices

12. Trigger Design Strategies

List declarative mechanisms you can use to implement complex business logic, for what types of problems they are best used, and their limitations Describe ways in which you can use declarative functionality to improve your programmatic solutions

13. Creating Visualforce Pages

Create a Visualforce page Reference a standard controller Launch a Visualforce page using a custom button Display data from a record in a Visualforce page

14. Exploring the View and Controller Layers of Visualforce

Create a Visualforce page Display related data Invoke standard controller actions

15. Working with Custom Controllers and Controller Extensions

Create controller extensions Create a custom controller Work with properties Use PageReferences Invoke custom methods in Visualforce pages 14.Working with List Controllers and SOSL Queries

Use a standard list controller in a Visualforce page Create a SOSL query Create a custom list controller

16. Visualforce Development Considerations

Determine whether a declarative solution exists for your requirements Describe common governor limit issues and security concerns Describe Visualforce strategies Testing Visualforce Controllers Describe how a Visualforce controller interacts with the view Write tests for controller constructors Write tests for action methods, getters, setters, and properties

 

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