DEX-450 Dumps (V10.02) Are the Latest for the Build Applications Programmatically on the Salesforce Platform Course – Read DEX-450 Free Dumps (Part 1, Q1-Q40)

1. A company's engineering department is conducting a month-long test on the scalability of an in-house-developed software that requires a cluster of 100 or more servers.

Which of the following models is the best to use?

2. What are three characteristics of change set deployments? Choose 3 answers Sending a change set between two orgs requires a deployment connection.

A. Change sets can deploy custom settings data.

B. Change sets can only be used between related organizations.

C. Deployment is done in a one-way, single transaction.

D. Sending a change set between two orgs requires a deployment connection.

E. Change sets can be used to transfer records.

3. Universal Containers wants to ensure that all new leads created in the system have a valid email address. They have already created a validation rule to enforce this requirement, but want to add an additional layer of validation using automation.

What would be the best solution for this requirement?

A. Submit a REST API Callout with a JSON payload and validate the fields on a third party system

B. Use a before-save Apex trigger on the Lead object to validate the email address and display an error message if it is invalid

C. Use a custom Lightning Web component to make a callout to validate the fields on a third party system.

D. Use an Approval Process to enforce the completion of a valid email address using an outbound message action.

4. Which statement should be used to allow some of the records in a list of records to be inserted if others fail to be inserted?

A. Database. insert (records, true)

B. insert records

C. insert (records, false)

D. Database. insert (records, false)

5. A developer identifies the following triggers on the Expense _c object:

The triggers process before delete, before insert, and before update events respectively.

Which two techniques should the developer implement to ensure trigger best practices are followed? Choose 2 answers

A. Unity all three triggers In a single trigger on the Expense__c object that Includes all events.

B. Unify the before insert and before update triggers and use Flow for the delete action.

C. Create helper classes to execute the appropriate logic when a record is saved.

D. Maintain all three triggers on the Expense __c object, but move the Apex logic out of the trigger definition.

6. Which statement generates a list of Leads and Contacts that have a field with the phrase 'ACME'?

A)

B)

C)

D)

A. Option A

B. Option B

C. Option C

D. Option D

7. A developer creates a Lightning web component that imports a method within an Apex class. When a Validate button is pressed, the method runs to execute complex validations.

In this implementation scenario, which two options are.. of the Controller according to the MVC architecture? Choose 2 answers

8. What are two use cases for executing Anonymous Apex code? Choose 2 answers

9. A developer created a Lightning web component called status component to be Inserted into the Account record page.

Which two things should the developer do to make this component available? Choose 2 answers

10. A developer creates a batch Apex job to update a large number of records, and receives reports of the job timing out and not completing.

What is the first step towards troubleshooting the issue?

11. What are two benefits of using declarative customizations over code? Choose 2 answer

12. Given the following Anonymous block:

What should a developer consider for an environment that has over 10,000 Case records?

13. A developer is tasked with building a custom Lightning web component to collect Contact information.

The form will be shared among many different types of users in the org. There are security requirements that only certain fields should be edited and viewed by certain groups of users.

What should the developer use in their Lightning Web Component to support the security requirements?

14. Which three Salesforce resources can be accessed from a Lightning web component? Choose 3 answers

15. A developer must create a DrawList class that provides capabilities defined in the Sortable and Drawable interfaces.

Which is the correct implementation?

A)

B)

16. A developer is creating a Lightning web component to show a list of sales records.

The Sales Representative user should be able to see the commission field on each record. The Sales Assistant user should be able to see all fields on the record except the commission field.

How should this be enforced so that the component works for both users without showing any errors?

17. The following code snippet is executed by a Lightning web component in an environment with more than 2,000 lead records:

Which governor limit will likely be exceeded within the Apex transaction?

18. A developer is asked to write helper methods that create test data for unit tests.

What should be changed in the Testutils class so that its methods are only usable by unit test methods?

19. Universal Containers recently transitioned from Classic to Lightning Experience.

One of its business processes requires certain values from the Opportunity object to be sent via an HTTP REST callout to its external order management system when the user presses a custom button on the Opportunity detail page.

Example values are as follows:

* Name

* Amount

* Account

Which two methods should the developer implement to fulfill the business requirement? Choose 2 answers

20. A developer has an integer variable called maxAttempts. The developer needs to ensure that once maxAttempts is initialized, it preserves its value for the length of the Apex transaction; while being able to share the variable's state between trigger executions.

How should the developer declare maxAttempts to meet these requirements?

21. The following Apex method is part of the ContactService class that is called from a trigger:

public static void setBusinessUnitToEMEA(Contact thisContact) {

thisContact.Business_Unit_c = "EMEA”;

update thisContact;

}

How should the developer modify the code to ensure best practices are met?

A)

B)

C)

D)

22. A developer deployed a trigger to update the status__c of Assets related to an Account when the Account’s status changes and a nightly integration that updates Accounts in bulk has started to fail with limit failures.

What should the developer change about the code to address the failure while still having the code update all of the Assets correctly?

23. Universal Containers (UC) wants to lower its shipping cost while making the shipping process more efficient. The Distribution Officer advises UC to implement global addresses to allow multiple Accounts to share a default pickup address. The developer is tasked to create the supporting object and relationship for this business requirement and uses the Setup Menu to create a custom object called "Global Address".

Which field should the developer add to create the most efficient model that supports the business need?

24. Universal Containers (UC) uses out-of-the-box order management, that has a Master-Detail relationship between Order and Order Line Item.

UC stores the availability date on each Order Line Item and Orders are only shipped when all of the Order Line Items are available.

Which method should be used to calculate the estimated ship date for an Order?

25. Universal Containers (UC) uses out-of-the-box order management, that has a Master-Detail relationship between Order and Order Line Item.

UC stores the availability date on each Order Line Item and Orders are only shipped when all of the Order Line Items are available.

Which method should be used to calculate the estimated ship date for an Order?

26. Universal Containers has an order system that uses an Order Number to identify an order for customers and service agents. Order records will be imported into Salesforce.

How should the Order Number field be defined in Salesforce?

27. In terms of the MVC paradigm, what are two advantages of implementing the view layer of a Salesforce application using Lightning Web Component-based development over Visualforce? Choose 2 answers

28. What are two ways a developer can get the status of an enqueued job for a class that implements the

queueable interface? Choose 2 answers

29. Which statement describes the execution order when triggers are associated to the same object and event?

30. A developer created a child Lightning web component nested inside a parent Lightning web component. The parent component needs to pass a string value to the child component.

In which two ways can this be accomplished? Choose 2 answers

31. Provide question feedback here (optional):

Based on this code, what is the value of x?

32. A developer completed modifications feature that is comprised of two elements:

* Apex trigger

* Trigger handler Apex class

What are two factors that the developer must take into account to properly deploy them to the production environment? Choose 2 answers

33. How does the Lightning Component framework help developers implement solutions faster?

34. A developer wants to send an outbound message when a record meets a specific criteria.

Which two features satisfy this use case?

35. Universal Containers hires a developer to build a custom search page to help users find the Accounts they want. Users will be able to search on Name, Description, and a custom comments field.

Which consideration should the developer be aware of when deciding between SOQL and SOSL? Choose 2 answers

36. What is an example of a polymorphic lookup field in Salesforce?

37. A developer has a Visualforce page and custom controller to save Account records. The developer wants to display any validation rule violations to the user.

How can the developer make sure that validation rule violations are displayed?

38. Which code displays the contents of a Visualforce page as a PDF?

39. Universal Containers wants Opportunities to no longer be editable when it reaches the Closed/Won stage.

Which two strategies can a developer use to accomplish this? Choose 2 answers

40. While writing an Apex class, a developer wants to make sure that all functionality being developed is handled as specified by the requirements.

Which approach should the developer use to be sure that the Apex class is working according to specifications?