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Salesforce Plat-Dev-301 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Architecture	18%	- Namespace and package management - Apex Enterprise Patterns - Governor limits and bulkification - Design patterns and Apex trigger frameworks
Topic 2: Data Modeling	12%	- Large data volumes considerations - Advanced object relationships and data modeling - External objects and data sources
Topic 3: Logic and Process Automation	22%	- Dynamic Apex and SOQL/SOSL - Invocable Actions and Platform Events - Asynchronous Apex (Batch, Queueable, Future, Scheduled) - Advanced Apex programming
Topic 4: Integration	15%	- External Services and Connect REST API - Platform Events and Change Data Capture - Named Credentials and authentication - REST and SOAP web services (Apex callouts)
Topic 5: Testing, Debugging, and Deployment	15%	- Apex unit testing best practices - Deployment tools (SFDX, Metadata API) - Test data strategies and mocking - Debugging and performance profiling
Topic 6: User Interface	18%	- Lightning Data Service - Visualforce advanced controllers - Aura Components - Lightning Web Components (LWC) advanced features

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Salesforce Certified Platform Developer II - Multiple Choice Sample Questions (Q147-Q152):

NEW QUESTION # 147
A company has a custom component that allows users to search for records of a certain object type by invoking an Apex Controller that returns a list of results based on the user's input. When the search is completed, a searchComplete event is fired, with the results put in a results attribute of the event. The component is designed to be used within other components and may appear on a single page more than once.
What is the optimal code that should be added to fire the event when the search has completed?
A)

B)

C)

D)

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

Answer: C

Explanation:
The correct code to fire the event when the search has completed in a Lightning component is option B. $A.get("e.c.searchComplete") is the syntax used to get the event, setParams is used to set the parameters, and fire is used to dispatch the event.

NEW QUESTION # 148
Universal Containers is implementing a new approval process for expense reimbursements. The process requires complex logic to determine the appropriate approver based on factors such as expense amount, employee role, and project type. The solution should allow for flexibility and future changes in the approval rules.
Which approach would be the most suitable for implementing this logic?

A. Implement a custom formula field to calculate and determine the appropriate approver based on the given criteria.
B. Create a custom Apex class with a method to determine the appropriate approver based on the given criteria.
C. Develop a custom Lightning component to handle the approval logic and integrate it into the expense reimbursement record page.
D. Use the Salesforce Approval Process feature and define multiple approval steps with entry criteria and approval assignments.

Answer: B

Explanation:
Creating a custom Apex class with methods to determine the appropriate approver is the most suitable approach when dealing with complex logic and the need for flexibility. This approach allows for centralized logic that can be easily maintained and updated as business requirements change.

NEW QUESTION # 149
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 an Apex trigger, execute a Queueable job from it, and make a callout from the Queueable job.
B. Create a Before Save Flow, execute a Queueable job from it, and make a callout from the Queusable job.
C. Create a Workflow Rule, execute a Queueable job from it, and make a callout from the Queueable job.
D. Create a Process, execute a Quaueable job from it, and make a callout from the Queueable job.

Answer: A

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 # 150
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 Dazabase.Bazchacle class that queries the Catalog object and updates the Catalog Items if the Catalog CurrencylSoCode is different
B. A Database.Schedulable and Database.Batchacle class that queries the Catalog Item 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: B

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

NEW QUESTION # 151
A developer has a test class that creates test data before making a mock callout but now receives a 'You have uncommitted work pending. Please commit or rollback before calling out' error.
Which step should be taken to resolve the error?

A. Ensure the records are Inserted before the Tezt.startTest() statement and the mock callout occurs within a method annotated with @testSetup.
B. Ensure the records are inserted before the Test.startTess() statement and the mock callout occurs after the Test. Startest().
C. Ensure both the insertion and mock callout occur after the Test.startTest().
D. Ensure both the Insertion and mock callout occur after the I==L. stoptest_().

Answer: B

Explanation:
When working with Apex tests that involve callouts, it's important to avoid the 'uncommitted work pending' error. This error typically occurs because DML operations (like inserts) are pending when a callout is attempted. Salesforce requires that all callouts are made before any DML operations in a transaction. To avoid this, the pattern is to insert the records before calling Test.startTest(), and then make the callout after this call. Test.startTest() marks the point where your actual test begins, and it resets the governor limits. By making the callout after this point, it ensures that the DML operations are committed and you are within a new execution context regarding governor limits.
Testing HTTP Callouts by Implementing the HttpCalloutMock Interface
Understanding Execution Contexts

NEW QUESTION # 152
......

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