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Salesforce Plat-Dev-301 Exam Syllabus Topics:

Section	Objectives
Topic 1: Data Modeling and Management	- Advanced data modeling 1. Complex relationships and schema design 2. Large data volume considerations - Data access and security 1. Security enforcement in Apex 2. Sharing rules and Apex-managed sharing
Topic 2: Integration and APIs	- Platform events and messaging 1. Event-driven architecture 2. Change Data Capture concepts - External system integration 1. REST and SOAP API usage 2. Callouts from Apex
Topic 3: Testing and Deployment	- Deployment lifecycle 1. Version control and CI/CD concepts 2. Change sets and deployment tools - Testing strategies 1. Code coverage and quality practices 2. Test data creation and mocking
Topic 4: Application Development	- Advanced Apex programming 1. Dynamic Apex and metadata-driven development 2. Apex design patterns and best practices 3. Exception handling and debugging strategies - Asynchronous processing 1. Batch Apex and Queueable Apex 2. Future methods and limits considerations 3. Scheduled Apex

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Salesforce Certified Platform Developer II - Multiple Choice Sample Questions (Q176-Q181):

NEW QUESTION # 176
A company has a Lightning page with many Lightning Components, some that cache reference dat a. It is reported that the page does not always show the most current reference data.
What can a developer use to analyze and diagnose the problem in the Lightning page?

A. Salesforce Lightning Inspector Actions tab
B. Salesforce Lightning Inspector Storage tab
C. Salesforce Lightning Inspector Transactions tab
D. Salesforce Lightning Inspector Event Log tab

Answer: B

Explanation:
The Storage tab in the Salesforce Lightning Inspector can be used to view and manage data stored on the client side, such as in the cache. This is useful for diagnosing issues related to stale or outdated cache data that may prevent the most current reference data from displaying.

NEW QUESTION # 177
What is the best practice to initialize a Vizualforce page in a test class?

A. Use Test. currantPage .getParamatars put (MyTaestPaga) ;
B. Use Test. setCurrentPage (Page. MyTeatPage);
C. Use controller. currentPage. setPage (MyTastfage) ;
D. Use Test. setCurrentPage MyTestPags;

Answer: B

Explanation:
Test.setCurrentPage(Page.MyTestPage) is used to set the context to a Visualforce page in tests, allowing you to simulate a page request in a test method.

NEW QUESTION # 178
Just prior to a new deployment the Salesforce administrator, who configured a new order fulfillment process feature in a developer sandbox, suddenly left the company.
Ag part of the UAT cycle, the users had fully tested all of the changes in the sandbox and signed off on them; making the Order fulfillment feature ready for its go-live in the production environment.
Unfortunately, although a Change Set was started, it was not completed by the former administrator.
A developer is brought in to finish the deployment.
What should the developer do to identify the configuration changes that need to be moved into production?

A. Leverage the Setup Audit Trail to review the changes made by the departed Administrator and identify which changes should be added to the Change Set.
B. Use the Metadata API and a supported development IDE to push all of the configuration from the sandbox into production to ensure no changes are lost.
C. In Salesforce setup, look at the last modified date for every object to determine which should be added to the Change Set.
D. Set up Continuous Integration and a Git repository to automatically merge all changes from the sandbox metadata with the production metadata.

Answer: A

Explanation:
To identify the configuration changes made by the former administrator, the developer should leverage the Setup Audit Trail. This allows tracking changes made in the Setup area of Salesforce, showing the date of the change, who made it, and what the change was.

NEW QUESTION # 179
A developer creates an application event that has triggered an infinite loop.
What may have caused this problem?

A. The event handler calls a trigger.
B. An event is fired 'ontouchend'' and is unhandled.
C. The event is fired from a custom renderer.
D. The event has multiple handlers registered in the project.

Answer: D

Explanation:
The infinite loop in the application event could be caused by multiple handlers registered in the project. If the event is fired and then handled in such a way that the handling leads to the event being fired again, this can create a loop. Care must be taken to ensure that the handling of the event does not re-trigger the same event unintentionally.

NEW QUESTION # 180
A company manages information about their product offerings in custom objects named Catalog and Catalog Item. Catalog Item has a master-detail field to Catalog, and each Catalog may have as many as 100,000 Catalog Items.
Both custom objects have a CurrencylsoCode text field that contains the currency code they should use. If a Catalog's CurrencylsoCode changes, all of its Catalog Items' CurrencylsoCodes should be changed as well.
What should a developer use to update the CurrencylsoCodes on the Catalog Items when the Catalog's CurrencylsoCode changes?

A. A Database.Schedulable and Database.Batchacle class that queries the Catalog Item object and updates the Catalog Items if the Catalog CurrencylSoCode is different
B. A Database. schedulable and Dazabase.Bazchacle class that queries the Catalog object and updates the Catalog Items if the Catalog CurrencylSoCode is different
C. An after insert trigger on Catalog that updates the Catalog Items if the Catalogs CurrencylsoCode is different
D. An after insert trigger on Catalog Item that updates the Catalog Items if the Catalog's CurrencylsoCode is different

Answer: A

Explanation:
Use Database.Batchable for handling large data sets. It can efficiently process 100,000 Catalog Items asynchronously and update CurrencylsoCodes.

NEW QUESTION # 181
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