Free Salesforce Plat-Dev-301 Exam Dumps Questions & Answers

How should a developer verify that a specific Account record is being tested in a test class for a Visualforce controller?

• A.  Instantiate the page reference in the test class, insert the Account inthe test class, then use system.setFarentRecordrd() .get() to set the Account ID,
• B.  Insert the Account in the test class, instantiate the page reference in the test class, then use System.currentFageReference() .getFarameters() .put{) to set the Account ID.
• C.  Insert the Account into Salesforce, instantiate the page reference in the test class, then use system. setFarentRecordId() .get() to set the Account ID.{of Instantiate the page reference in the test class, insert the Account inthe test class, then use =seeAllData=trus to view the Account.

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.

A user receives the generic "An internal server error has occurred" while interacting with a custom Lightning component.
What should the developer do to ensure a more meaningful message?

• A.  Use platform events to process the error
• B.  Use an AuraHandledexception in a try-catch block.
• C.  Add an onerror event handler to the tag.
• D.  Add an error-view component to the markup.

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

Given the following containment hierarchy:
What is the correct way to communicate the new value of a property named ''passthrough'' to my-parent-component if the property is defined within my-child-component?
A)
B)

C)

D)

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