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CRT-450 Valid Real Exam | CRT-450 Best Study Material

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Salesforce Certified Platform Developer I Sample Questions (Q89-Q94):

NEW QUESTION # 89
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. Use a before-save Apex trigger on the Lead object to validate the email address and display an error message if it is invalid
B. Use a custom Lightning Web component to make a callout to validate the fields on a third party system.
C. Use an Approval Process to enforce the completion of a valid email address using an outbound message action.
D. Submit a REST API Callout with a JSON payload and validate the fields on a third party system

Answer: A

Explanation:
Before-save Apex Trigger:
This is the best solution because abefore-save triggerruns before the record is saved to the database, providing an opportunity to validate or modify the data.
In this case, the Apex trigger can validate the email address using a regular expression or a third-party API call to ensure the email address is valid. If the email is invalid, an error message can be displayed using addError().
Why not the other options?
A: Submit a REST API Callout with a JSON payload:
REST callouts are more complex and generally not recommended for simple validation tasks like email format validation. Additionally, callouts cannot be performed directly in a before-save trigger.
C: Use a custom Lightning Web Component (LWC):
LWCs are primarily for UI interactions and should not be used to enforce data validations that are server-side requirements.
D: Use an Approval Process:
Approval Processes are for managing the approval flow of records, not for real-time validations. They cannot enforce email validation directly.
References:
Apex Triggers Documentation
Trigger Context Variables

NEW QUESTION # 90
A developer must modify the following code snippet to prevent the number of SOQL queries issued from exceeding the platform governor limit. public class without sharing OpportunityService( public static List<OpportunityLineItem> getOpportunityProducts(Set<Id> opportunityIds){ List<OpportunitylineItem> oppLineItems = new List<OpportunityLineItem>(); for(Id thisOppId : opportunityIds){ oppLineItems.addAll([Select Id FROM OpportunityLineItems WHERE OpportunityId = :thisOppId)]; } return oppLineItems; } } The above method might be called during a trigger execution via a Lightning component. Which technique should be implemented to avoid reaching the governor limit?

A. Use the System.Limits.getQueries() method to ensure the number of queries is less than 100.
B. Refactor the code above to perform only one SOQL query, filtering by the Set of opportunityIds.
C. Refector the code above to perform the SOQL query only if the Set of opportunityIds contains less 100 Ids.
D. Use the System.Limits.getlimitQueries() method to ensure the number of queries is less than 100.

Answer: B

NEW QUESTION # 91
What are two characteristics related to formulas? Choose 2 answers.

A. Fields that are used in a formula field can be deleted or edited without the formula.
B. Formulas are calculated at runtime and are not stored in the database.
C. Formula can reference themselves.
D. Formulas can reference values in related objects.

Answer: B,D

NEW QUESTION # 92
When creating a record with a Quick Action, what is the easiest way to post a feed item?

A. By selecting create feed item on the quick action.
B. By adding a trigger on the new record.
C. By selecting create case feed on the new record.
D. By adding a workflow rule on the new record.

Answer: A

NEW QUESTION # 93
Since Aura application events follow the traditional publish-subscribe model, which method is used to fire an event?

A. FireEvent()
B. fire()
C. SegdetesEvent (}
D. emit()

Answer: B

NEW QUESTION # 94
......

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