100% PASS QUIZ 2025 SALESFORCE UNPARALLELED PDI LEAD2PASS REVIEW

100% Pass Quiz 2025 Salesforce Unparalleled PDI Lead2pass Review

100% Pass Quiz 2025 Salesforce Unparalleled PDI Lead2pass Review

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Salesforce Platform Developer I (PDI) Sample Questions (Q188-Q193):

NEW QUESTION # 188
Which statement should be used to allow some of the records in a list of records to be inserted rf others fail to be inserted?

  • A. Database.insert(records, false)
  • B. insert records
  • C. insert (records, false)
  • D. Database.insert(records, true)

Answer: C


NEW QUESTION # 189
A developer needs to apply the look and feel of lightning experience to a number of applications built using a custom third-party javascript framework and rendered in visualforce pages which option achieves this?

  • A. Configure the user interface options in the setup menu to enable legacy mode for visualforce
  • B. Set the attribute enablelightning to "true" in the definition
  • C. Replace the third-party javascript library with native visualforce tags
  • D. Incorporate salesforce lightning design system css style sheets into the javascript applications

Answer: D


NEW QUESTION # 190
As part of new feature development, a developer Is asked to build a responsive application capable of responding to touch events, that will be executed on stateful clients.
Which two technologies are built on a framework that fully supports the business requirement?
Choose 2 answers

  • A. Visualforce Pages
  • B. Aura Components
  • C. Lightning Web Components
  • D. Visualforce Components

Answer: B,C

Explanation:
To build a responsive application capable of responding to touch events and executed on stateful clients, the developer should use technologies that support modern web standards, responsive design, and touch interactions. The two technologies that meet these requirements are Aura Components and Lightning Web Components.
Option A: Aura Components
Reference:
"The Aura Components programming model is designed to support developing responsive applications for mobile and desktop devices."
- Lightning Aura Components Developer Guide
Option C: Lightning Web Components
"Lightning web components are custom HTML elements built using HTML and modern JavaScript."
"Because Lightning web components are based on web standards, they are inherently efficient and deliver exceptional performance."
- Lightning Web Components Developer Guide
Why Other Options Are Incorrect:
Option B: Visualforce Pages
Visualforce is a server-side framework that doesn't fully support responsive design or touch events natively. While you can make Visualforce pages responsive using custom code, it doesn't provide built-in support for touch events as effectively as Aura Components or LWC.
"Visualforce is a component-based user interface framework for the Force.com platform."
- Visualforce Developer Guide
Option D: Visualforce Components
Visualforce Components are custom components within the Visualforce framework. They inherit the same limitations as Visualforce Pages regarding responsiveness and touch support.
"A Visualforce component is either a standard component, provided by the Visualforce framework, or a custom component that you create."
- Visualforce Developer Guide


NEW QUESTION # 191
How should a developer write unit tests for a private method in an Apex class?

  • A. Use the SeeAllData annotation.
  • B. Mark the Apex class as global.
  • C. Use the TestVisible annotation.
  • D. Add a test method in the Apex class.

Answer: C


NEW QUESTION # 192
What is the value of the Trigger.old context variable in a before insert trigger?

  • A. A list of newly created sObjects without IDs
  • B. An empty list of sObjects
  • C. Undefined
  • D. null

Answer: D

Explanation:
Trigger.old in a before insert trigger:
The Trigger.old context variable contains the old version of the records being processed in the trigger.
In a before insert trigger, the records being processed are new and have no prior state in the database, so Trigger.old is null.
This behavior is specific to insert triggers because there is no "old" record to reference before the record is created.
Why is it null?
The Trigger.old variable is only populated for triggers that handle updates or deletions (e.g., before update, after update, before delete, after delete). For insert operations, no previous state of the record exists.
Why not the other options?
A . An empty list of sObjects:
This is incorrect because Trigger.old is not initialized as an empty list for insert triggers-it is simply null.
B . Undefined:
Trigger.old is defined in the trigger context, but it is null for insert operations. Undefined is not a valid Apex state.
D . A list of newly created sObjects without IDs:
This describes Trigger.new in a before insert trigger, not Trigger.old. Trigger.new contains the new records being inserted.
Reference:
Apex Triggers Documentation
Trigger Context Variables


NEW QUESTION # 193
......

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