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Salesforce PDII Exam Syllabus Topics:

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

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Salesforce Platform Developer II Sample Questions (Q158-Q163):

NEW QUESTION # 158
Example 1: AggregateResult[] groupedResults = [SELECT Campaignid, AVG(Amount) FROM Opportunity GROUP BY CampaignId]; for (AggregateResult ar : groupedResuits) { System.debug ('Campaign ID' + ar.get('CampaignId'-); System.debug ('Average amount' + ar.get('exprd')); } Example 2: AggregateResult[] groupedResults = [SELECT Campaignid, AVG(Amount) theAverage FROM Opportunity GROUP BY Campaignid]; for (AggregateResult ar : groupedResuits) { System.debug(*Campaign ID' + ar.get('CampaignId')); System.debug ('Average amount' + ar.get('theAverage')); } Example 3: AggregateResult[] groupedResults = [SELECT CampaignId, AVG(Amount) FROM Opportunity GROUP BY CampaignId]; for (AggregateResult ar : groupedResuits) System.debug(*Campaign ID' + ar.get('CampaignId')); System.debug('Average amount' + ar.get.AVG(-); } Example 4:AggregateResult[] groupedResults = [SELECT CampaigniId, AVG(Amount) theAverage FROM Opportunity GROUP BY Campaignid]; for (AggregateResult ar : groupedResults) { System.debug('Campaign ID' + ar.get('CampaignId')); System.debug ('Average amount' + ar.theAverage-; } Which two of the examples above have correct System.debug statements? Choose 2 answers

A. Example 1
B. Example 4
C. Example 2
D. Example 3

Answer: B,C

NEW QUESTION # 159
A company needs to automatically delete sensitive information after seven years. This could delete almost a million records every day. How can this be achieved?

A. Schedule an @future process to query records older than seven years, and then recursively invoke itself in 1,000 record batches to delete them.
B. Perform a SOSL statement to find records older than 7 years, and then delete the entire result set.
C. Schedule a batch Apex process to run every day that queries and deletes records older than seven years.
D. Use aggregate functions to query for records older than seven years, and then delete the AggregateResult objects.

Answer: C

Explanation:
When dealing with large-scale data maintenance, such as deleting a million records daily, Batch Apex is the most robust and scalable solution provided by the Salesforce platform. Batch Apex is specifically designed for processing high volumes of records by breaking the total record set into manageable "batches" (defaulting to
200 records per batch). This prevents the transaction from hitting platform governor limits, such as the limit on the total number of DML statements or the maximum number of records processed in a single transaction.
By scheduling a Batch class, the system handles the heavy lifting asynchronously, ensuring that org performance is not negatively impacted during peak hours.
Other options are unsuitable for this scale. Using @future methods for recursive processing is a poor practice because Salesforce prohibits calling a future method from another future method, and it is difficult to monitor or manage the execution flow. Aggregate functions and AggregateResult o1bjects are used for calculations and data grouping, not for DML operations like deletion. Similarly, SOSL is optimized for text-based searching across multiple objects and returns a limited number of results, making it inappropriate for an exhaustive cleanup of a million records. Batch Apex allows for the use of a QueryLocator, which can handle up to 50 million records, providing the necessary throughput for this high-volume requirement.

NEW QUESTION # 160
Line 1 public class AttributeTypes Line 2 { Line 3 private final String[] arrayItems; Line 4 Line 5
@AuraEnabled Line 6 public List<String> getStringArray() { Line 7 String*+ arrayItems = new String*+,'red', 'green', 'blue' -; Line 8 return arrayItems; Line 9 } Line 10 } Consider the Apex controller above that is called from a Lightning Aura Component. What is wrong with it?

A. Line 1: class must be global
B. Lines 1 and 6: class and method must be global
C. Line 6: method must be static
D. Line 8: method must first serialize the list to JSON before returning

Answer: C

NEW QUESTION # 161
Exhibit.

Given the code above, which two changes need to be made in the Apex Controller for the code to work?
Choose 2 answers

A. Change the argument in the Apex Controller line 05 from subject to string.
B. Annotate the entire class as @AuraEnabled instead of just the single method.
C. Remove line 06 from the Apex Controller and instead use firstName in the return on line 07.
D. Change the method signature to be global static, not public to String.

Answer: A,C

Explanation:
Based on the code provided, here are the necessary changes:
* Change B is required because the argument in the Apex controller's serverEcho method must match the data type expected by the JavaScript calling the method. The Apex method expects an Object named firstName, which is then cast to a String inside the method. The JavaScript is passing an object with a property firstName, so no change is needed in the JavaScript.
* Change D is correct because line 06 is redundant and unnecessary. We can directly use firstName in the return statement as it is already a String type. The get() method is typically used when you have a Map and you need to retrieve a value by its key. Since firstName is already being passed as a String, there's no need to cast it or retrieve it using get().
References:
Apex Developer Guide

NEW QUESTION # 162
An org has a requirement that an Account must always have one and only one Contact listed as Primary. So selecting one Contact will de-select any others. The client wants a checkbox on the Contact called 'Is Primary' to control this feature.
The client also wants to ensure that the last name of every Contact is stored entirely in uppercase characters.
What is the optimal way to implement these requirements?

A. Write a Validation Rule on the Contact for the Is Primary logic and a before update trigger on Contact for the last name logic.
B. Write an after update trigger on Account for the Is Primary logic and a before update trigger on Contact for the last name logic.
C. Write an after update trigger on Contact for the Is Primary logic and a separate before update trigger on Contact for the last name logic.
D. Write a single trigger on Contact for both after update and before update and callout to helper classes to handle each set of logic.

Answer: D

Explanation:
A single trigger on Contact that handles both after update and before update events, utilizing helper classes for each logic set, is the most optimal implementation. It centralizes the logic for maintaining primary contacts and normalizing last names while allowing for clear separation of concerns through helper classes.References:
Apex Developer Guide - Triggers

NEW QUESTION # 163
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