PDI Test Lab Questions - Pdf Demo PDI Download

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Salesforce Platform Developer I (PDI) Sample Questions (Q184-Q189):

NEW QUESTION # 184
Which trigger event allows a developer to update fields in the Trigger.new list without using an additional DML statement?Choose 2 answers

A. Before insert
B. Before update
C. After insert
D. After update

Answer: A,B

NEW QUESTION # 185
Which type of code represents the view in the MVC architecture on the Force.com platform?

A. A visualforce page that dysplays information about case records by iterating over a list of cases
B. An apex method that executes SOQL to retrieve a list of cases
C. Validation rules for a page layout that includes a related list of cases
D. An apex method in an extension that returns a list of cases

Answer: A

NEW QUESTION # 186
While working in a sandbox, an Apex test fails when run in the Test Runner. However, executing the Apex logic in the Execute Anonymous window succeeds with no exceptions or errors. Why did the method fail in the sandbox test framework but succeed in the Developer Console?

A. The test method relies on existing data in the sandbox.
B. The test method is calling an @future method.
C. The test method has a syntax error in the code.
D. The test method does not use Sysetem.runas= to execute as a specific user.

Answer: A

Explanation:
The Apex test fails in the Test Runner but succeeds in the Execute Anonymous window because the test method relies on existing data in the sandbox.
Isolation of Test Data: By default, Apex tests do not have access to pre-existing data in the organization. Tests are executed in an isolated context to ensure they are not dependent on external data, promoting reliability and repeatability.
"Apex test methods don't have access to pre-existing data in the organization. The test methods have access to all data that they create and to changes made by other test methods (unless the @IsTest(Isolated=true) annotation is used)."
- Apex Developer Guide: Isolation of Test Data from Organization Data in Unit Tests Execute Anonymous Window: When code is run in the Execute Anonymous window, it executes in the current user's context and has access to all organization data, including existing records.
"All Apex code runs in system mode. The only exception is anonymous blocks, such as code executed using the Execute Anonymous window or the SOAP API."
- Apex Developer Guide: Enforcing Object and Field Permissions
Solution: To fix the failing test, the developer should create the necessary test data within the test method or use the @IsTest(SeeAllData=true) annotation if access to existing data is absolutely necessary (though this is generally discouraged).
"If you specify @IsTest(SeeAllData=true), the test method has access to all data in the organization, but the test can be slower and less reliable because it might depend on data that changes."
- Apex Developer Guide: Using the SeeAllData Annotation
Why Other Options Are Incorrect:
Option A: While calling an @future method requires special handling in tests, it would not cause the method to pass in Execute Anonymous and fail in tests.
Option C: A syntax error would prevent the code from compiling, so it wouldn't run in either context.
Option D: Using System.runAs is only necessary when testing code that behaves differently for users with different profiles or permissions.
Conclusion: The discrepancy arises because the test method is attempting to access data that isn't available in the test context, leading to its failure in the Test Runner but success in the Execute Anonymous window.

NEW QUESTION # 187
A developer must create a ShippingCalculator class that cannot be instantiated and must include a working default implementation of a calculate method, that sub-classes can override. What is the correct implementation of the ShippingCalculator class?

A. Public abstract class ShippingCalculator {
public abstract calculate() { /*implementation*/ }
}
B. Public abstract class ShippingCalculator {
public override calculate() { /*implementation*/ }
}
C. Public abstract class ShippingCalculator {
public void calculate() { /*implementation*/ }
}
the extending class can override the existing virtual methods by using the override keyword in the method definition. Overriding a virtual method allows you to provide a different implementation for an existing method https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_classes_extending.htm
D. Public abstract class ShippingCalculator {
public virtual void calculate() { /*implementation*/ }
}

Answer: D

NEW QUESTION # 188
Universal Container(UC) wants to lower its shipping cost while making the shipping process more efficient. The Distribution Officer advises UC to implement global addresses to allow multiple Accounts to share a default pickup address. The Developer is tasked to create the supporting object and relationship for this business requirement and uses the Setup Menu to create a custom object called "Global Address". Which field should the developer ad to create the most efficient model that supports the business need?

A. Add a Master-Detail field on the Account object to the Global Address object
B. Add a Lookup field on the Global Address object to the Account object
C. Add a Lookup field on the Account object to the Global Address object.
D. Add a Master-Detail field on the Global Address object to the Account object.

Answer: A

NEW QUESTION # 189
......

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PDI Test Lab Questions - Pdf Demo PDI Download

Pdf Demo PDI Download - Exam PDI Bootcamp

Salesforce Platform Developer I (PDI) Sample Questions (Q184-Q189):

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