Salesforce Certified Platform Developer II - Multiple Choice - Plat-Dev-301

Universal Containers wants to notify an external system, in the event that an unhandled exception occurs, by publishing a custom event using Apex.
What is the appropriate publish/subscribe logic to meet this requirement?

• A. Have the external system subscribe to the event channel. No publishing is necessary.
• B. Publish the error event using the addError () method and write a trigger to subscribe to the event and notify the external system.
• C. Publish the error event using the Eventrus.publish() method and have the external system subscribe to the event using CometD.
• D. Publish the error event using the addError () method and have the external system subscribe to the event using Comet

Refer to the test method below:

The test method tests an Apex trigger that the developer knows will make a lot of queries when a lot of Accounts are simultaneously updated to be customers. The test method fails at the Line 20 because of too many SOQL queries. What is the correct way to fix this? A)

B)

C)

D)

• A. Option C
• B. Option B
• C. Option A
• D. Option D

Refer to the markup below:

A Lightning web component displays the Account name and two custom fields out of 275 that exist on the abject. The custom fields are correctly declared and populated. However, the developer receives complaints that the component performs slowly. What can the developer do to improve the performance?

• A. Replace layout-type =''1" with fields=(fields}.
• B. Replace Layout-type =''Full1" with Layout-type="Partial".
• C. Add cache="true" to the component.
• D. Add density="compat" to the component.

Consider the following code snippet:

The Apex method is executed in an environment with a large data volume count for Accounts, and the query is performing poorly. Which technique should the developer implement to ensure the query performs optimally, while preserving the entire result set?

• A. Create a formula field to combine the createdDate and RecordType value, then filter based on the formula.
• B. Use the Database queryLocator method to retrieve the accounts.
• C. Annotate the method with the @Future annotation
• D. Break down the query into two individual queries and join the two result sets.

A developer wants to write a generic Apex method that will compare the Salesforce Name field between any two object records. For example, to compare the Name field of an Account and an Opportunity; or the Name of an Account and a Contact.
Assuming the Name field exists, how should the developer do this?

• A. Cast each object into an sObject and use sObject.get to compare the Name fields.
• B. describe) function to compare the values of each Name field.
• C. Use the Salesforce Metadata API to extract the value of each object and compare the Name fields.
• D. Use a string. Replace () method to parse the contents of each Name field and then compare the results.