Salesforce DEX-450 Reliable Test Objectives & DEX-450 Test Prep

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Salesforce DEX-450 exam covers a range of topics, including Apex, Visualforce, Lightning components, integration, data modeling, and security. It is a challenging exam that tests the understanding of Salesforce development best practices, coding standards, and design patterns. Passing DEX-450 exam requires a deep understanding of the Salesforce platform, as well as the ability to apply that knowledge to solve real-world problems. Candidates who pass the Salesforce DEX-450 exam will be recognized as experts in programmatic development using Apex and Visualforce in Lightning Experience, setting them apart from other Salesforce developers.

To take the DEX-450 certification exam, candidates must have a solid understanding of Apex and Visualforce programming languages, as well as experience with the Salesforce Lightning platform. They should also be familiar with the Salesforce development process, including designing, testing, and deploying custom code.

Salesforce DEX-450 Reliable Test Objectives

Updated Salesforce DEX-450 Reliable Test Objectives With Interarctive Test Engine & Trustable DEX-450 Test Prep

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Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Sample Questions (Q36-Q41):

NEW QUESTION # 36
A lead developer creates an Apex interface called "Laptop". Consider the following code snippet:

How can a developer use the Laptop Interface within the Silvertaptop class?

A. public class Silverlaptop implements Laptop
B. public calss SilverLaptop extends Laptop
C. @Interface (class=''Laptop'')
public class SilverLaptop
D. @Extends(class=Laptop'')
public class SilverLaptop

Answer: B

NEW QUESTION # 37
Universal Containers stores the availability date on each Line Item of an Order and Orders are only shipped when all of the Line Items are avaible. Which method should be used to calculate the estimated ship date for an Order?

A. Use a Max Roll-Up Summary field on the Latest availability date fields.
B. Use a LATEST formula on each of the latest availability date fields.
C. Use a DAYS formula on each of the availability date fields and a COUNT Roll-Up Summary field on the Order.
D. Use a CEILING formula on each of the Latest availability date fields.

Answer: A

NEW QUESTION # 38
What is the value of the Trigger.old context variable in a Before Insert trigger?

A. A list of newly created sObjects without IDS
B. An empty list of sObjects
C. null
D. Undefined

Answer: C

NEW QUESTION # 39
A custom picklist field, Food_Preference__c, exist on a custom object. The picklist contains the following options: 'Vegan','Kosher','No Preference'. The developer must ensure a value is populated every time a record is created or updated. What is the most efficient way to ensure a value is selected every time a record is saved?

A. Mark the field as Required on the field definition.
B. Set "Use the first value in the list as the default value" as True.
C. Mark the field as Required on the object's page layout.
D. Set a validation rule to enforce a value is selected.

Answer: A

NEW QUESTION # 40
A developer runs the following anonymous code block in a Salesforce org with 100 accounts List acc= {select id from account limit 10}; delete acc; database.emptyrecyclebin(acc); system.debug(limits.getlimitqueries()+' ,'+Limits.getlimitDMLStatements()); What is the debug output?

A. 100, 150
B. 150, 100
C. 1, 2
D. 10, 2

Answer: A

NEW QUESTION # 41
......

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