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Salesforce Platform Developer I (PDI) Sample Questions (Q194-Q199):

NEW QUESTION # 194
A developer has to identify a method in en Apex class that performs resource intensive actions in memory by iterating over the result set of a SOQL statement on the account. The method also performs a SOQL statement to save the changes to the database.
Which two techniques should the developer implement as a best practice to ensure transaction control and avoid exceeding governor limits?
Choose 2 answers

Answer: B,C


NEW QUESTION # 195
A developer has a single custom controller class that works with a Visualforce Wizard to support creating and editing multiple sObjects. The wizard accepts data from user inputs across multiple Visualforce pages and from a parameter on the initial URL.
Which three statements are useful inside the unit test to effectively test the custom controller?
Choose 3 answers

Answer: A,B,E

Explanation:
* A: The save() method in the custom controller must be tested to ensure it works as intended and redirects to the correct page.
* B: Setting parameters via ApexPages.currentPage().getParameters() is crucial to test scenarios where user input or URL parameters drive logic.
* D: Using Test.setCurrentPage(pageRef) is essential for simulating page context in unit tests.
Why not other options?
* C: This statement does not belong to testing a custom controller.
* B (second occurrence): It appears to be incorrectly formatted in the question.
References:
* Testing Apex Controllers


NEW QUESTION # 196
Which exception type cannot be caught ?

Answer: A


NEW QUESTION # 197
While writing an Apex class, a developer wants to make sure that all functionality being developed is handled as specified by the requirements.
Which approach should the developer use to be sure that the Apex class is working according to specifications?

Answer: B

Explanation:
Creating test classes ensures that the Apex class works according to specifications by validating the functionality under various scenarios and edge cases. Running tests in the Developer Console provides detailed feedback on whether the class meets requirements.
Reference:Testing Apex
Incorrect Options:
A:Savepoints and rollbacks are used to manage transactions, not for validation.
B:Try/catch blocks handle exceptions but do not ensure the code adheres to specifications.
C:Execute Anonymous only tests small portions of code interactively, not comprehensive functionality.


NEW QUESTION # 198
Which governor limit applies to all the code in an apex transaction?

Answer: B


NEW QUESTION # 199
......

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