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Salesforce Plat-Dev-301 Exam Syllabus Topics:

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

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Salesforce Certified Platform Developer II - Multiple Choice Sample Questions (Q121-Q126):

NEW QUESTION # 121
Which use case can be performed only by using asynchronous Apex?

A. Making a call to schedule a batch process to complete in the future
B. Updating a record after the completion of an insert
C. Calling a web service from an Apex trigger
D. Querying tens of thousands of records

Answer: C

Explanation:
Making a callout from an Apex trigger is not allowed synchronously; hence, such callouts must be performed in an asynchronous context. The only way to perform this within the Salesforce platform is by using asynchronous Apex, such as @future methods or Queueable Apex.

NEW QUESTION # 122
Refer to the component code and requirements below:

A)

B)

C)

D)

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

Answer: A

NEW QUESTION # 123
A developer sees test failures in the sandbox but not in production. No code or metadata changes have been actively made to either environment since the sandbox was created.
Which consideration should be checked to resolve the issue?

A. Ensure that Disable Parallel Apex Testing Is unchecked.
B. Ensure the sandbox Is on the same release as production.
C. Ensure the Apex classes are on the same API version.
D. Ensure test classes are using SeeAllData = true.

Answer: B

Explanation:
If test failures are occurring in a sandbox but not in production and there have been no active code or metadata changes, it could be due to differences in the Salesforce release versions between the two environments. Sandboxes can be on preview instances which get upgraded to new releases before production instances. This can lead to differences in behavior and could affect test executions. Ensuring that both the sandbox and production are on the same release can resolve such issues. API version differences and parallel testing settings typically do not cause discrepancies if the code hasn't changed, and while using SeeAllData=true is generally not recommended due to its dependence on the organization's data, it's unlikely to be the cause if the issue is related to the environment rather than the data.
Sandbox Preview Instructions
Understand the Salesforce Release Process

NEW QUESTION # 124
A developer wrote an Apex class to make several callouts to an external system.
If the URLs used in these callouts will change often, which feature should the developer use to minimize changes needed to the Apex class?

A. Session Id
B. Connected Apps
C. Named Credentials
D. Remote Site Settings

Answer: C

Explanation:
The correct feature to use is C, Named Credentials. Named Credentials are a secure way of storing the endpoint and authentication details for callouts to external services. When URLs change frequently, using Named Credentials allows you to manage the endpoint URL in one place without changing the Apex code.
Named Credentials

NEW QUESTION # 125
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 cannot he shared with the current setup.
B. The record can be shared using a permission set.
C. The record can be shared using an Apex class.
D. The record can be shared using a sharing rule.

Answer: D

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 # 126
......

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