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Salesforce Plat-Dev-301 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Performance and Data Management	18%	- Data modeling and complex data operations - Optimize queries and handle large data volumes - Governor limits optimization and best practices
Topic 2: Testing, Debugging, and Deployment	20%	- Advanced testing strategies and test frameworks - Deployment strategies, CI/CD, and change management - Debugging and error handling across layers
Topic 3: Advanced Developer Fundamentals	15%	- Design and maintain scalable, reusable code - Apply security best practices in development - Work with localization, multi-currency, and global features
Topic 4: Logic, Process Automation, and Integration	27%	- Complex business logic and automation design - REST/SOAP API, Platform Events, and external integrations - Advanced Apex programming and transaction management - Asynchronous Apex: future, queueable, batch, scheduled
Topic 5: User Interface Development	20%	- Optimize UI performance and usability - Build complex Lightning Web Components and Aura Components - Implement advanced Visualforce functionality

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Salesforce Certified Platform Developer II - Multiple Choice Sample Questions (Q185-Q190):

NEW QUESTION # 185
The use of the transient keyword in Visualforce page controllers helps with which common performance issue?

A. Improves page transfers
B. Reduces view state
C. Reduces load times
D. Improves query performance

Answer: B

Explanation:
The transient keyword in Visualforce page controllers marks variables that should not be part of the view state, which can significantly reduce the size of the view state. This can help avoid view state limit errors and improve page performance because a smaller view state requires less time to send to the client.

NEW QUESTION # 186
A company wants to incorporate a third-party weh service to set the Address fields when an Account is inserted, if they have not already been set.
What is the optimal way to achieve this?

A. Create a Process, execute a Quaueable job from it, and make a callout from the Queueable job.
B. Create an Apex trigger, execute a Queueable job from it, and make a callout from the Queueable job.
C. Create a Workflow Rule, execute a Queueable job from it, and make a callout from the Queueable job.
D. Create a Before Save Flow, execute a Queueable job from it, and make a callout from the Queusable job.

Answer: B

Explanation:
To make a callout to set the Address fields when an Account is inserted without violating the Salesforce limit against callouts from triggers, a developer can use a trigger to execute a Queueable job. The Queueable job can then safely make the callout.

NEW QUESTION # 187
Universal Containers decided to use Salesforce to manage a new hire interview process. A custom object called Candidate was created with organization-wide defaults set to Private. A lookup on the Candidate object sets an employee as an Interviewer.
What should be used to automatically give Read access to the record when the lookup field is set to the Interviewer user?

A. The record can be shared using an Apex class.
B. The record cannot he shared with the current setup.
C. The record can be shared using a sharing rule.
D. The record can be shared using a permission set.

Answer: C

Explanation:
A sharing rule can be used to automatically give Read access to a user specified in a lookup field. Sharing rules are declarative and can be based on criteria such as the value of a lookup field. This can be done without writing code and is maintainable through the Salesforce UI.

NEW QUESTION # 188
Universal Containers uses Big Objects to store almost a billion customer transactions called Customer_Transaction__b.
These are the fields on Customer_Transaction__b:
Account__c -
Program__c -
Points_Earned__c -
Location__c -
Transaction_Date__c -
The following fields have been identified as Index Fields for the Customer_Transaction__b object: Account__c, Program__c, and Transaction_Date__c.
Which SOQL query is valid on the Customer_Transaction__b Big Object?

A. SELECT Account__c, Program__c, Transaction_Date__c FROM Customer_Transaction__b WHERE Account__c = '001R000000302D3' AND Program__c ='Shoppers' AND Transaction_Date__c=2019-05-31T00:00Z
B. SELECT Account__c, Program__c, Transaction_Date__c FROM Customer_Transaction__b WHERE Account__c = '001R000000302D3' AND Program__c LIKE 'Shop%' AND Transaction_Date__c=2019-05-31T00:00Z
C. SELECT Account__c, Program__c, Transaction_Date__c FROM Customer_Transaction__b WHERE Account__c = '001R000000302D3' AND Program__c EXCLUDES ('Shoppers', 'Womens') AND Transaction_Date__c=2019-05-31T00:00Z
D. SELECT Account__c, Program__c, Transaction_Date__c FROM Customer_Transaction__b WHERE Account__c = '001R000000302D3' AND Program__c INCLUDES ('Shoppers', 'Womens') AND Transaction_Date__c=2019-05-31T00:00Z

Answer: A

Explanation:
The valid SOQL query on a Big Object must match the indexed fields exactly. Since Account__c, Program__c, and Transaction_Date__c are the indexed fields, the SOQL query must specify those fields exactly in the WHERE clause, including exact match conditions (no LIKE or INCLUDES).

NEW QUESTION # 189
Which two queries are selective SOQL queries and can be used for a large data set of 200,000 Account records?
Choose 2 answers

A. SELECT Id FRCM Account WHERE Name != ' '
B. SELECT Id FROM Account WHERE Name LIKE '!-NULL
C. SELECT Id FROM Account WHERE II IK (List of Account Ida)
D. SELECT Id FRCM Account WHEP Name IN (List of Names) AND Customer_Number_c= 'ValueA

Answer: A,D

Explanation:
Selective queries in SOQL are optimized for performance. Query B is selective because it filters out empty names, which are likely to be less in number. Query C is selective if the list of names is small, and 'Customer_Number_c' is indexed or can be used as an external ID field. Working with Very Large SOQL Queries

NEW QUESTION # 190
......

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