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Salesforce Plat-Dev-301 Exam Syllabus Topics:

Salesforce Certified Platform Developer II - Multiple Choice Sample Questions:

Question 1

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

Question 2

Which statement is considered a best practice for writing bulk safe Apex triggers?

A. Add LIMIT 50000 to every SOQL statement.
B. Perform all DML operations from within a future method.
C. Add records to collections and perform DML operations against these collections.
D. Use the Database methods with allorNone set to £21s= instead of DML statements.

Question 3

Which technique can run custom logic when a Lightning web component is loaded?

A. Use the connectedCallback { } method.
B. Use an <aura:handler> init event to call a function.
C. Use the randersd loack { } method.
D. Call 52. engqueusiction and pass in the method to call.

Question 4

A developer has a Visualforce page that automatically assigns ewnership of an Account to a queue upon save. The page appears to correctly assign ownership, but an assertion validating the correct ownership fails.
What can cause this problem?

A. The test class does not use the seeallData=true= annotation.
B. The test class does not implement the Queueable interface.
C. The test class does not use the Bulk API for loading test data.
D. The test class does not retrieve the updated value from the database,

Question 5

There are user complaints about slow render times of a custom data table within a Visualforce page that loads thousands of Account records at once.
What can a developer do to help alleviate such issues?

A. Use the transient keyword in the Apex code when querying the Account records.
B. Upload a third-party data table library as a static resource.
C. Use JavaScript remoting to query the accounts.
D. Use the standard Account List controller and implement pagination.

Solutions: