SalesForce CRT-450 Certified Platform Developer I Free Practice Test — 30 Questions

Question 1

A Salesforce developer is tasked with designing a custom object to track employee performance metrics. The object will include fields for employee ID (Text), performance score (Number), and review date (Date). The developer needs to ensure that the performance score can only accept values between 1 and 100. Which approach should the developer take to enforce this validation rule effectively?

Accepted Answer

Create a validation rule that checks if the performance score is greater than or equal to 1 and less than or equal to 100.

Question 2

In a Salesforce Lightning component, you have a parent component that contains a child component. The parent component has a property called `accountId`, which is bound to a text input field. The child component needs to display the account name associated with this `accountId`. If the `accountId` changes, the child component should automatically update to reflect the new account name. Which approach would best ensure that the child component reacts to changes in the `accountId` property of the parent component?

Accepted Answer

Use the `@api` decorator in the child component to expose the `accountId` property and implement a `getter` method to fetch the account name whenever `accountId` changes.

Question 3

A development team is using Salesforce DX to manage their source code and automate their deployment processes. They have set up a scratch org for a new feature development and need to ensure that their metadata is properly aligned with the latest changes in their version control system. The team has made several changes to Apex classes, Lightning components, and custom objects. What is the most effective approach for the team to synchronize their scratch org with the latest changes from their version control system while ensuring that all metadata is accurately reflected in the org?

Accepted Answer

Use the Salesforce CLI to pull the latest changes from the version control system into the scratch org and then run tests to validate the changes.

Question 4

In a Lightning Web Component (LWC), you are tasked with creating a dynamic data table that displays user information. The table should allow users to sort the data based on different columns and filter the results based on user input. You need to ensure that the component is efficient and adheres to best practices for performance. Which approach would best optimize the rendering and data handling of this component while ensuring a responsive user experience?

Accepted Answer

Use the `@wire` service to fetch data from an Apex method and implement reactive properties to handle sorting and filtering directly in the component's JavaScript file.

Question 5

In a Salesforce application, a developer is tasked with creating a custom solution that integrates with the standard Account and Contact objects. The solution requires that when an Account is deleted, all associated Contacts should also be deleted automatically. Which of the following approaches would best ensure that this cascading delete behavior is implemented correctly while adhering to Salesforce best practices?

Accepted Answer

Implement a trigger on the Account object that deletes related Contacts when an Account is deleted.

Question 6

In a Salesforce organization, a developer is tasked with configuring user access to a custom object called \"Project.\" The organization has multiple profiles and permission sets in place. The developer needs to ensure that users in the \"Project Manager\" profile can create, read, edit, and delete records of the \"Project\" object, while users in the \"Team Member\" profile can only read and edit records. Additionally, a permission set named \"Project Access\" is available, which grants full access to the \"Project\" object. If a user is assigned both the \"Team Member\" profile and the \"Project Access\" permission set, what will be the effective permissions for that user regarding the \"Project\" object?

Accepted Answer

The user will have full access to create, read, edit, and delete records of the "Project" object.

Question 7

In a Visualforce page, you are tasked with displaying a list of accounts along with their associated contacts. You want to ensure that the data is presented in a tabular format, where each account is listed with its corresponding contacts indented beneath it. Which approach would best achieve this layout while ensuring that the data is dynamically retrieved from the Salesforce database?

Accepted Answer

Use a combination of `` and `` components to iterate over the accounts and their related contacts, utilizing nested `` tags for the contacts within the accounts loop.

Question 8

A company has recently migrated its customer data to a new Salesforce instance. During the migration, they discovered that many records contained duplicate entries, inconsistent formatting, and missing values. To ensure the integrity of their data, the data team is implementing a series of data cleansing techniques. Which technique would be most effective in identifying and merging duplicate records while also standardizing the format of customer names to ensure consistency across the database?

Accepted Answer

Data deduplication and standardization

Question 9

A company is using Salesforce to manage its sales data. They have a custom object called \"Sales_Transaction__c\" that tracks individual sales. The company wants to create a formula field called \"Total_Sales_Value__c\" that calculates the total value of sales for each transaction. The formula should multiply the \"Quantity__c\" field by the \"Unit_Price__c\" field, and then apply a discount based on the \"Discount_Percentage__c\" field. If the discount is greater than 20%, the formula should apply a flat discount of 20%. If the discount is less than or equal to 20%, it should apply the actual discount percentage. What would be the correct formula to achieve this?

Accepted Answer

`Quantity__c * Unit_Price__c * (1 - IF(Discount_Percentage__c > 0.2, 0.2, Discount_Percentage__c))`

Question 10

In a Salesforce environment, you are tasked with deploying a set of custom objects and their associated fields from a sandbox to production using the Metadata API. You need to ensure that the deployment is successful and that all dependencies are accounted for. Which of the following steps should you prioritize to ensure a smooth deployment process?

Accepted Answer

Validate the deployment using the Metadata API to check for any missing dependencies before executing the actual deployment.

Question 11

In a Salesforce development environment, a developer is tasked with ensuring that their Apex classes achieve a minimum code coverage of 75% before deployment to production. After running tests, the developer finds that their classes have a combined code coverage of 70%. To meet the requirement, they decide to add additional test methods. If each new test method is expected to increase the overall code coverage by 5%, how many additional test methods must the developer create to reach the required 75% coverage?

Accepted Answer

2

Question 12

In a Salesforce application, a developer is tasked with implementing a trigger on the Account object that needs to perform specific actions based on the state of the Account record. The requirement is to update a related Contact record whenever an Account is updated, but only if the Account\'s status changes from \'Active\' to \'Inactive\'. Which trigger event should the developer use to ensure that the logic is executed correctly, and what considerations should be made regarding the order of execution and bulk processing?

Accepted Answer

After Update

Question 13

In a Salesforce organization, a developer is tasked with creating a custom application that leverages the Salesforce Platform\'s capabilities to manage customer interactions. The application must integrate with external systems, utilize Salesforce\'s data model, and ensure compliance with security best practices. Which of the following approaches best aligns with the principles of the Salesforce Platform to achieve these requirements effectively?

Accepted Answer

Utilize Salesforce Connect to integrate external data sources, implement Apex classes for business logic, and apply sharing rules to control data access.

Question 14

In a Salesforce application, a developer needs to implement a custom solution that allows users to submit feedback on various products. The feedback should be stored in a custom object called `Product_Feedback__c`, which has fields for `Product_Name__c`, `User_Name__c`, and `Feedback_Text__c`. The developer decides to use a trigger to automatically create a record in the `Product_Feedback__c` object whenever a new `Product__c` record is created. However, the developer also wants to ensure that if the feedback is submitted for a product that already has feedback from the same user, the existing feedback should be updated instead of creating a new record. What is the best approach to implement this functionality in the trigger?

Accepted Answer

Query the `Product_Feedback__c` records for the given product and user, and update the existing record if found; otherwise, create a new record.

Question 15

A company is planning to migrate its customer data from a legacy system into Salesforce using the Data Import Wizard. The dataset includes 10,000 records, with each record containing fields for customer name, email, phone number, and address. The company has identified that 15% of the records contain missing email addresses, and 5% of the records have invalid phone numbers. If the company wants to ensure that only valid records are imported into Salesforce, how many records will be successfully imported after addressing the missing and invalid data?

Accepted Answer

8,500 records

Question 16

In a multi-tenant architecture, a company is planning to implement a new feature that allows tenants to customize their user interfaces without affecting other tenants. The development team is considering two approaches: creating a separate instance for each tenant or using a shared instance with tenant-specific configurations. Which approach best aligns with the principles of multi-tenant architecture while ensuring scalability and maintainability?

Accepted Answer

Utilizing a shared instance with tenant-specific configurations

Question 17

A company has a Salesforce org where they want to implement a trigger that updates a custom field on the Account object whenever a related Opportunity is closed. The custom field on the Account is called `Total_Closed_Opportunities__c`, which should reflect the total number of closed Opportunities associated with that Account. The trigger must handle bulk operations and ensure that it does not exceed governor limits. Which approach should the developer take to implement this trigger effectively?

Accepted Answer

Use a trigger on the Opportunity object that aggregates the count of closed Opportunities for each Account and updates the `Total_Closed_Opportunities__c` field in a single DML operation after processing all records.

Question 18

In a Salesforce organization, a developer is tasked with implementing field-level security for a custom object called \"Project.\" The object has a field named \"Budget\" that should only be visible to users in the \"Finance\" role. However, the developer also needs to ensure that users in the \"Manager\" role can view the \"Budget\" field but cannot edit it. Given this scenario, which of the following configurations would best achieve the desired security settings for the \"Budget\" field?

Accepted Answer

Set the "Budget" field to be visible and editable for the "Finance" role, visible but read-only for the "Manager" role, and hidden for all other roles.

Question 19

In a Salesforce application, you are tasked with integrating an external system that requires real-time data synchronization with Salesforce. You need to choose an appropriate API that can handle high-volume transactions while ensuring that the data remains consistent and up-to-date. Which API would be the most suitable for this scenario, considering factors such as performance, data integrity, and the ability to handle bulk operations?

Accepted Answer

Salesforce Streaming API

Question 20

A company has a custom object called \"Project\" that tracks various projects. Each project has a budget and an estimated completion date. The company wants to create a formula field called \"Budget Status\" that evaluates whether the project is over budget or under budget based on the current date and the budget amount. The formula should return \"Over Budget\" if the current date is past the estimated completion date and the budget is less than $10,000, \"Under Budget\" if the current date is past the estimated completion date and the budget is greater than or equal to $10,000, and \"On Track\" if the current date is before the estimated completion date. Which formula correctly implements this logic?

Accepted Answer

IF(ISPICKVAL(Estimated_Completion_Date__c, TODAY()), "On Track", IF(Budget__c < 10000, "Over Budget", "Under Budget"))

Question 21

In a Salesforce Lightning application, a developer is tasked with creating a custom component that adheres to the Lightning Design System (LDS) guidelines. The component must include a button that triggers a modal dialog when clicked. The developer needs to ensure that the button and modal are styled correctly according to the LDS standards. Which of the following approaches best ensures compliance with the Lightning Design System while maintaining accessibility and responsiveness?

Accepted Answer

Utilize the `lightning-button` component for the button and the `lightning-modal` component for the dialog, ensuring that both components are responsive and accessible by default.

Question 22

In the context of Lightning App Development, you are tasked with creating a custom Lightning component that displays a list of accounts filtered by a specific industry. The component should also allow users to sort the accounts by their annual revenue. Given that the annual revenue is stored as a currency field, which approach would best ensure that the component efficiently retrieves and displays the data while adhering to best practices for performance and user experience?

Accepted Answer

Utilize a Lightning Data Service to fetch the accounts and implement a client-side controller to handle the sorting of the accounts based on the annual revenue after retrieval.

Question 23

A developer is troubleshooting a complex Apex trigger that is failing to execute as expected. They decide to utilize the debug logs to identify the issue. The trigger is designed to update a related record whenever a specific field on the primary record is modified. The developer sets the debug log levels to \"Apex Code\" at \"Finer\" and \"Apex Profiling\" at \"Finer\" to capture detailed information. After executing the trigger, they notice that the debug log is excessively large and contains a lot of irrelevant information. What is the most effective way for the developer to refine the debug logs to focus on the specific execution context of the trigger?

Accepted Answer

Set the debug log levels to "Apex Code" at "Finest" and "Apex Profiling" at "Finest" while also filtering the logs to only include the specific user executing the trigger.

Question 24

In a Salesforce organization, a developer is tasked with configuring user access to a custom object called \"Project.\" The organization has multiple profiles and permission sets in place. The developer needs to ensure that users in the \"Project Manager\" profile can create, read, edit, and delete records of the \"Project\" object, while users in the \"Team Member\" profile should only have read access. Additionally, the developer is considering using permission sets to grant additional access to certain users without changing their profiles. Which of the following configurations would best achieve this requirement?

Accepted Answer

Assign the "Project Manager" profile to users who need full access and create a permission set that grants read access to the "Project" object for users in the "Team Member" profile.

Question 25

In a Salesforce organization, a developer is tasked with designing a data model that includes a custom object called \"Project\" which has a master-detail relationship with another custom object called \"Task.\" The developer needs to ensure that when a Project record is deleted, all related Task records are also deleted. Additionally, the developer wants to implement a lookup relationship between the Task object and a standard object called \"User\" to assign tasks to users. Given these requirements, which of the following statements accurately describes the implications of this data model design?

Accepted Answer

Deleting a Project will cascade delete all associated Task records, and each Task can be assigned to a User without affecting the relationship between Projects and Tasks.

Question 26

In a Salesforce organization, a developer is tasked with creating a custom object to track customer feedback. The object needs to include fields for customer name, feedback type, and a rating scale from 1 to 5. Additionally, the developer must ensure that the feedback type can only be selected from a predefined list of options: \"Positive,\" \"Neutral,\" and \"Negative.\" What is the best approach to implement this requirement while ensuring data integrity and user experience?

Accepted Answer

Create a custom object with a picklist field for feedback type and a number field for rating, ensuring both fields are required.

Question 27

In a Salesforce organization, a developer is tasked with creating a new custom object called \"Project\" that will be related to an existing custom object called \"Client.\" The developer needs to ensure that the relationship between these two objects is set up correctly in the Schema Builder. What type of relationship should the developer establish to allow multiple projects to be associated with a single client while ensuring that each project can exist independently of the client?

Accepted Answer

Master-Detail Relationship

Question 28

A company is developing a custom user interface for their Salesforce application that requires dynamic data presentation based on user input. The interface must update in real-time as users interact with it, displaying relevant data from multiple Salesforce objects. Which approach would be most effective for achieving this functionality while ensuring optimal performance and user experience?

Accepted Answer

Utilize Lightning Web Components (LWC) to create a reactive interface that leverages the Salesforce data service for real-time updates.

Question 29

In a Lightning Web Component (LWC), you are tasked with creating a dynamic data table that displays a list of accounts. The table should allow users to sort the data based on different fields and filter the results based on user input. You decide to implement a reactive property to hold the filtered data. Which approach would best ensure that the data table updates automatically when the user changes the filter criteria?

Accepted Answer

Use a getter method to return the filtered data based on the current filter criteria and the original data array.

Question 30

In a Lightning Web Component (LWC) application, you are tasked with creating a component that displays a list of accounts and allows users to filter this list based on the account\'s industry. The component should utilize a reactive property to manage the filter criteria and update the displayed accounts accordingly. Given the following code snippet, which approach would best ensure that the component efficiently updates the displayed accounts when the filter criteria change?

Accepted Answer

javascript

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