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Salesforce PDII Exam Syllabus Topics:

Section	Objectives
Topic 1: Advanced Apex Programming	- Complex Apex logic implementation 1. Dynamic Apex and reflection concepts 2. Advanced exception handling strategies - Advanced Apex design patterns 1. Enterprise patterns (service, domain, selector layers) 2. Separation of concerns in Apex applications
Topic 2: Integration and APIs	- Salesforce integration patterns 1. Callout patterns and limits 2. REST and SOAP API usage - External system integration 1. Named Credentials and authentication 2. Platform Events and Change Data Capture
Topic 3: Asynchronous Apex	- Batch Apex and Queueable Apex 1. Chaining Queueable jobs 2. Batch processing strategies and governor limits - Scheduled and future methods 1. Scheduling Apex jobs 2. Use cases for @future methods
Topic 4: Testing, Debugging, and Deployment	- Test-driven development 1. Test data factory patterns 2. Writing advanced Apex test classes - Deployment and debugging 1. Change sets and CI/CD tools 2. Debug logs and performance tuning

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Salesforce Platform Developer II Sample Questions (Q28-Q33):

NEW QUESTION # 28
Which technique can run custom logic when a Lightning web component is loaded?

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

Answer: A

Explanation:
The connectedCallback() lifecycle hook in Lightning Web Components (LWC) is used to perform logic after a component is inserted into the DOM, making it the ideal place to execute custom logic when the component is loaded.References: Lightning Web Components Developer Guide - Lifecycle Hooks

NEW QUESTION # 29
A developer created a Lightning web component that uses a Lightning-record-edit-force to collect information about Leads. Users complain that they only see one error message at a time when they save a Lead record.
What can the developer use to perform the validations, and allow multiple error messages to be displayed simultaneously?

A. Apex REST
B. Process Builder
C. Apex Trigger
D. External JavaScript Library

Answer: C

NEW QUESTION # 30
A Visualforce page contains an industry select list and displays a table of Accounts that have a matching value in their Industry field. <apex:selectList value=",!selectedIndustry- "> <apex:selectOptions values="{!industries}"/> </apex:selectList> When a user changes the value in the industry select list, the table of Accounts should be automatically updated to show the Accounts associated with the selected industry.
What is the optimal way to implement this?

A. Add an <apex: actionFunction> within the <apex:selectOptions>.
B. Add an <apex: actionSupport> within the <apex: selectOptions>.
C. add an <apex: actionFunction> within the <apex:selectList>.
D. Add an <apex: actionSupport> within the <apex:selectList>.

Answer: D

NEW QUESTION # 31
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 three.)

A. Refine any SOQL queries to return only data relevant to the page
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. Use filters and pagination to reduce the amount of data
E. Use the private keyword in the controller for variables

Answer: A,C,D

NEW QUESTION # 32
A Visualforce Page throws an Attempt to dereference a null object error for a Contact. What change In the controller will fix the error?

A. Use a condition in the getter to return a new Contact if it is null.
B. Declare a static final Contact at the top of the controller.
C. Change the setters signature to return a Contact.
D. Change the getter's signature to be static Contact.

Answer: A

NEW QUESTION # 33
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