Salesforce Platform Developer I Practice Test

Answer choices

1. A. Use a purpose-specific custom exception and handle it at the boundary that can recover or translate it.
2. B. Rely on governor-limit exceptions as the normal mechanism for stopping work.
3. C. Convert every failure into a boolean false without preserving error context.
4. D. Catch Exception and do nothing so the transaction can continue.

Wrong-answer review

• B. Rely on governor-limit exceptions as the normal mechanism for stopping work.: Governor-limit failures indicate a bad resource design, not a normal application control-flow strategy.
• C. Convert every failure into a boolean false without preserving error context.: Flattening all errors removes useful diagnostic and semantic information.
• D. Catch Exception and do nothing so the transaction can continue.: Silently swallowing exceptions hides failed business behavior and makes diagnosis unreliable.

Answer choices

1. A. Use production as the first environment because it has the most accurate data.
2. B. Choose an environment only by storage capacity; metadata and data fidelity do not matter.
3. C. Use the same empty scratch org for every integration/UAT scenario regardless of required data/configuration.
4. D. Use an appropriate sandbox rather than a fresh empty scratch org

Answer choices

1. A. Ignore any security defects until the LWC rewrite is finished.
2. B. Keep the Visualforce page during the transition and use Lightning Message Service for supported communication with the LWC.
3. C. Rewrite every page simultaneously because Visualforce is unsupported in Lightning Experience.
4. D. Disable the Visualforce page first so users are forced onto the unfinished replacement.

Answer choices

1. A. Add a single lookup from Product__c to Promotion__c.
2. B. Use Promotion_Product__c as the junction between Product__c and Promotion__c.
3. C. Add a multi-select picklist on Product__c listing Promotion__c values.
4. D. Store comma-separated Promotion__c record IDs in a text field on Product__c.

Answer choices

1. A. Rewrite the suspected component before reproducing the failure.
2. B. Inspect the async-job evidence and reproduce the affected configuration/data path before changing the deployment.
3. C. Add retries around every operation and assume intermittent errors will disappear.
4. D. Increase governor limits in Setup and rerun the transaction.

Answer choices

1. A. Accept collections, use set-based SOQL, accumulate changes, and execute collection DML.
2. B. Require every caller to invoke the service once per record so the method can stay simple.
3. C. Detect the caller type and disable governor limits for trusted entry points.
4. D. Serialize each record to JSON before processing so each iteration receives independent limits.

Answer choices

1. A. Make the update idempotent and guard re-entry based on the relevant state change.
2. B. Disable all other automation on the object and keep only the trigger.
3. C. Use one static Boolean set to true after the first record is processed.
4. D. Catch the eventual governor-limit exception and retry the transaction asynchronously.

Answer choices

1. A. Query the database from both components until they happen to observe the same value.
2. B. Write the value into a global window variable and have other components poll it.
3. C. Publish/subscribe through Lightning Message Service
4. D. Mutate a child component’s private property directly from an unrelated component.

Answer choices

1. A. Apex
2. B. Lightning Web Component
3. C. Formula field
4. D. Flow

Answer choices

1. A. Record-triggered Flow
2. B. Formula field
3. C. Apex
4. D. Lightning Web Component