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Salesforce Plat-Dev-301 Exam Syllabus Topics:

Salesforce Certified Platform Developer II - Multiple Choice Sample Questions:

Question 1

A company recently deployed a Visualforce page with a custom controller that has a data grid of information about Opportunities in the org. Users report that they receive a "Maximum view state size limit" error message under certain conditions.
According to Visualforce best practice, which three actions should the developer take to reduce the view state?
Choose 3 answers

A. Use the private keyword in the controller for variables,
B. Use the transient keyword in the Apex controller for variables that do not maintain state.
C. Use the final keyword in the controller for variables that will not change.
D. Refine any SOQL queries to return only data relevant to the page.
E. Use filters and pagination to reduce the amount of data.

Question 2

A developer is building a Lightning web component that searches
for Contacts. The component must communicate the search
results to other unrelated Lightning web components, that are in
different DOM trees, when the search completes.
What should the developer do to implement the communication?

A. Publish a message on a message channel.
B. Fire an application event.
C. Fire a custom component event.
D. Publish an event on an event channel.

Question 3

A developer is responsible for formulating the deployment process for a Salesforce project. The project follows a source-driven development approach, and the developer wants to ensure efficient deployment and version control of the metadata changes.
Which tool or mechanism should be utilized for managing the source-driven deployment process?

A. Force.com IDE
B. Salesforce CLI with Salesforce DX
C. Metadata API
D. Change Sets

Question 4

Exhibit:

The test method above tests in 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. Replace most of the Apex Trigger with Process Builder processes to reduce the number of queries in the trigger
B. Change the DataFactory class to create fewer Accounts so that the number of queries in the trigger is reduced
C. Add Test.startTest() before and Test.stopTest() after both Line 7 of the code and Line 20 of the code
D. Add Test.startTest() before Line 18 of the code and add Test.stopTest() after line 18 of the code

Question 5

Consider the following code snippet:

Which two steps should the developer take to add flexibility to change the endpoint and credentials without needing to modify code? Choose 2 answers

A. Use red. setEndpoint (Label.endPointURL) ;.
B. Use req. setindpoint ('callout:endFoint_NC'); within the callout request.
C. Store the URL of the endpoint in a custom Label named endpointuRL.
D. Create a Named Credential, endPcint_wc, ta store the endpoint and credentials.

Solutions: