DEX-450 Exam Questions Dumps, Selling Salesforce Products
DEX-450 Cert Guide PDF 100% Cover Real Exam Questions
NEW QUESTION # 25
A developer needs to prevent the creation of request records when certain conditions exist in the system. A RequestLogic class exists to checks the conditions. What is the correct implementation?
- A. Trigger RequestTrigger on Request (before insert) {
if (RequestLogic.isvalid{Request})
Request.addError {'Your request cannot be created at this time.'};
} - B. Trigger RequestTrigger on Request (after insert) {
if (RequestLogic.isValid{Request})
Request.addError {'Your request cannot be created at this time.'};
} - C. Trigger RequestTrigger on Request (before insert) {
RequestLogic.validateRecords {trigger.new};
} - D. Trigger RequestTrigger on Request (after insert) {
RequestLogic.validateRecords {trigger.new};
}
Answer: C
NEW QUESTION # 26
A developer is building custom search functionality that uses SOSL to search account and contact records that match search terms provided by the end user. The feature is exposed through a Lightning web component, and the end user is able to provide a list of terms to search.
Consider the following code snippet:
What is the maximum number of search terms the end user can provide to successfully execute the search without exceeding a governor limit?
- A. 0
- B. 2,000
- C. 1
- D. 2
Answer: D
NEW QUESTION # 27
Universal Containers has a large number of custom applications that were built using a third-party JavaScript framework and exposed using Visualforce pages. The company wants to update these applications to apply styling that resembles the look and feel of Lightning Experience.
What should the developer do to fulfill the business request in the quickest and most effective manner?
- A. Enable Available for Lightning Experience, Lightning Communities, and the mobile app on Visualforce pages used by the custom application.
- B. Incorporate the Salesforce Lightning Design System CSS stylesheet Into the JavaScript applications.
- C. Rewrite all Visualforce pages as Lightning components.
- D. Set the attribute enableLightning to true in the definition.
Answer: B
NEW QUESTION # 28
The sales team at universal container would like to see a visual indicator appear on both account and opportunity page layout to alert salespeople when an account is late making payments or has entered the collections process. What can a developer implement to achieve this requirement without having to write custom code?
- A. Roll-up summary field
- B. Quick action
- C. Formula field
- D. Workflow rule
Answer: C
NEW QUESTION # 29
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. Undefined
- C. An empty list of sObjects
- D. null
Answer: C
NEW QUESTION # 30
A user selects a value from a multi-select picklist. How is this selected value represented in Apex?
- A. As a string
- B. As a string ending with a comma
- C. As a list< String > with one element
- D. As a set< string > with one element
Answer: A
NEW QUESTION # 31
An Opportunity needs to have an amount rolled up from a custom object that is not in a master-detail relationship.
How can this be achieved?
- A. Write a trigger on the Opportunity object and use tree sorting to sum the amount for all related child objects under the Opportunity.
- B. Use the Metadata API to create real-time roll-up summaries.
- C. Write a trigger on the child object and use an aggregate function to sum the amount for all related child objects under the Opportunity.
- D. Use the Streaming API to create real-time roll-up summaries.
Answer: C
NEW QUESTION # 32
AW Computing (AWC) handles orders In Salesforce and stores Its product Inventory In a fter, inventory__c, on a custom object, Product__c. When en order for a Product__c Is placed, the inventory__c field Is reduced by the quantity of the order using an Apex trigger.
AWC wants the real-time inventory reduction for a product to be sent to many of Its external systems, Including some future systems the company Is currently planning.
What should a developer add to the code at the placeholder to meet these requirements?
A)
B)
C)
D)
- A. Option
- B. Option
- C. Option
- D. Option
Answer: B
NEW QUESTION # 33
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?
- A. lightning-input-failed
- B. force-input-failed
- C. aura-input-failed
- D. ui-input-failed
Answer: B
NEW QUESTION # 34
Which approach should a developer use to add pagination to a Visualforce page?
- A. The Action attribute for a page
- B. A StandardSetController
- C. A StandardController
- D. The extensions attribute for a page
Answer: B
NEW QUESTION # 35
An org has a single account named 'NoContacts' that has no related contacts. Given the query:
List<Account> accounts = [Select ID, (Select ID, Name from Contacts) from Account where Name='NoContacts']; What is the result of running this Apex?
- A. accounts[0].contacts is an empty Apex.
- B. accounts[0].contacts is Null.
- C. A QueryException is thrown.
- D. accounts[0].contacts is invalid Apex.
Answer: A
NEW QUESTION # 36
An sObject named Application_c has a lookup relationship to another sObject named Position_c. Both Application _c and Position_c have a picklist field named Status_c.When the Status_c field on Position_c is updated, the Status_c field on Application_c needs to be populated automatically with the same value, and execute a workflow rule on Application_c.How can a developer accomplish this?
- A. By changing Application_c.Status_c into a formula field.
- B. By configuring a cross-object field update with a workflow.
- C. By using an Apex trigger with a DML operation.
- D. By changing Application_c.Status_c into a roll -up summary field.
Answer: C
NEW QUESTION # 37
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?
- A. aura-input-field
- B. force-input-field
- C. ui-input-field
- D. lightning-input-field
Answer: B
NEW QUESTION # 38
Which two statements are true about Getter and Setter methods as they relate to Visualforce?
- A. Setter methods always have to be declared global.
- B. There is no guarantee for the order in which Getter methods are called.
- C. Getter methods pass values from a controller to a page.
- D. A corresponding Setter method is required for each Getter method.
Answer: C,D
NEW QUESTION # 39
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?
- A. Create an auto response rule to the candidate.
- B. Create an escalation rule to the hiring manager.
- C. Create a workflow rule with an outbound message action.
- D. Create a Process Builder with an outbound message action.
Answer: C
NEW QUESTION # 40
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?
- A. Move all of the logic to a Queveable class that queries for and updates the Assets and call it from the trigger.
- B. Add a LIMIT clause to the SOQL query on line 16 to limit the number of Assets queried for an Account.
- C. Change the getAssetsToUpdate method to process all Accounts in one call and call it outside of the for loop that starts on line 03.
- D. Add List<asset> assets = [SELECT id, Status_ FROM WHERE AccountId = : acctId] to line 14 and iterate over the assets list in the for loop on line 15.;
Answer: C
NEW QUESTION # 41
A developer receives an error when trying to call a global server-side method using the remoteAction decorator.
How can the developer resolve the error?
- A. Add static to the server-side method signature.
- B. A Decorate the server-side method with (static=true).
- C. Decorate the server-side method with (static=false).
- D. Change the function signature to be private static.
Answer: A
NEW QUESTION # 42
Universal Containers has an order system that uses on Order Number to identify an order for customers service agents. Order records will be imported into Salesforce.
How should the "Order Number field be defined in Salesforce.
- A. Number with External ID
- B. Direct Lookup
- C. Indirect Lookup
- D. Lookup
Answer: A
NEW QUESTION # 43
Where can debug log filter settings be set?Choose 2 answers
- A. On the monitored user's name.
- B. The Filters link by the monitored user's name within the web UI.
- C. The Show More link on the debug log's record.
- D. The Log Filters tab on a class or trigger detail page.
Answer: B,D
NEW QUESTION # 44
Which approach should be used to provide test data for a test class?
- A. Use a test data factory class to create test data.
- B. Execute anonymous code blocks that create data.
- C. Query for existing records in the database.
- D. Access data in @TestVisible class variables.
Answer: A
NEW QUESTION # 45
Which two events need to happen when deploying to a production org?
Choose 2 answers
- A. All custom objects must have visibility set to a value other than in Development.
- B. All Visual flows must have at least 1% test coverage.
- C. All triggers must have some test coverage
- D. All Apex code must have at least 75% test coverage.
Answer: C,D
NEW QUESTION # 46
While working in a sandbox, an Apex test fails when run in the Test Runner. However, executing the Apex logic in the Execute Anonymous window succeeds with no exceptions or errors.
Why did the method fail in the sandbox test framework but succeed in the Developer Console?
- A. The test method relies on existing data in the sandbox.
- B. The test method Is calling an future method.
- C. The test method has a syntax error In the code.
- D. The test method does not use System. rurAs to execute as a specific user.
Answer: A
NEW QUESTION # 47
A developer is creating a Lightning web component to showa 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?
- A. Use Lightning Locker Service to enforce sharing rules and field-level security.
- B. Use Security. stripInaccessible to remove fields inaccessible to the current user.
- C. Use Lightning Data Service to get the collection of sales records.
- D. Use WITH SECURITY_ENFORCED in the SOQL that fetches the data for the component.
Answer: B
NEW QUESTION # 48
Developers at Universal Containers (UC) use version control to share their code changes, but they notice that when they deploy their code to different environments they often have failures. They decide to set up Continuous Integration (CI).
What should the UC development team use to automatically run tests as part of their CI process?
- A. Developer Console
- B. Force.com Toolkit
- C. Visual Studio Code
- D. Salesforce CLI
Answer: D
NEW QUESTION # 49
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Salesforce is a cloud-based software company that provides customer relationship management (CRM) solutions. One of the primary features of Salesforce is the ability to customize and extend its capabilities through programming. Salesforce offers a certification exam known as the DEX-450, which is designed for developers who want to demonstrate their expertise in programmatic development using Apex and Visualforce in Lightning Experience.
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