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Salesforce Plat-Dev-301 Exam Syllabus Topics:

SectionObjectives
Data Modeling and Management- Advanced data modeling
  • 1. Complex relationships and schema design
    • 2. Large data volume considerations
      - Data access and security
      • 1. Sharing rules and Apex-managed sharing
        • 2. Security enforcement in Apex
          Application Development- Asynchronous processing
          • 1. Future methods and limits considerations
            • 2. Batch Apex and Queueable Apex
              • 3. Scheduled Apex
                - Advanced Apex programming
                • 1. Apex design patterns and best practices
                  • 2. Exception handling and debugging strategies
                    • 3. Dynamic Apex and metadata-driven development
                      Testing and Deployment- Testing strategies
                      • 1. Code coverage and quality practices
                        • 2. Test data creation and mocking
                          - Deployment lifecycle
                          • 1. Change sets and deployment tools
                            • 2. Version control and CI/CD concepts
                              Integration and APIs- External system integration
                              • 1. Callouts from Apex
                                • 2. REST and SOAP API usage
                                  - Platform events and messaging
                                  • 1. Change Data Capture concepts
                                    • 2. Event-driven architecture

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                                      Salesforce Certified Platform Developer II - Multiple Choice Sample Questions (Q151-Q156):

                                      NEW QUESTION # 151
                                      A developer created a Lightning web component mat allows users to Input a text value that is used to search for Accounts by calling an Apex method. The Apex method returns a list of account to apply and is called imperatively from a JavaScript event handler.

                                      Which two changes should the developer make so the Apex method functions correctly. Choose 2 answers

                                      Answer: B,D


                                      NEW QUESTION # 152
                                      A developer is writing a Visualforce page that queries accounts in the system and presents a data table with the results. The users want to be able to filter the results based on up to five fields. However, the users want to pick the five fields to use as filter fields when they run the page.
                                      Which Apex code feature is required to facilitate this solution?

                                      Answer: A

                                      Explanation:
                                      The requirement described in the question calls for a flexible way to query records based on user-selected fields. Dynamic SOQL is the perfect tool for this job as it allows the construction of a SOQL string at runtime, which can include any number of fields and filter conditions that are determined at the time the user interacts with the page. This enables the creation of a highly customizable query interface. A, B, and C are not suitable for this requirement as they serve different purposes: A (Streaming API) is for receiving real-time streams of data changes, B (Metadata API) is for managing the metadata of your Salesforce org, and C (variable binding) is used in Visualforce to bind data between the page and the controller but does not provide dynamic query capabilities.
                                      Reference
                                      Dynamic SOQL: Dynamic SOQL in Apex Developer Guide


                                      NEW QUESTION # 153
                                      A developer wrote a trigger on Opportunity that will update a custom Last Sold Date field on the Opportunity's Account whenever an Opportunity is closed. In the test class for the trigger, the assertion to validate the Last Sold Date field fails.
                                      What might be causing the failed assertion?

                                      Answer: D

                                      Explanation:
                                      The test class may not be re-querying the Account record after updating the Opportunity, which is necessary to verify the updated field values. If the test does not query the database to get the most recent data after the trigger runs, it will not see the changes made by the trigger.


                                      NEW QUESTION # 154
                                      A developer is tasked with creating a Lightning web component that allows users to create a Case for a selected product, directly from a custom Lightning page. The input fields in the component are displayed in a non-linear fashion on top of an image of the product to help the user better understand the meaning of the fields.
                                      Which two components should a developer use to implement the creation of the Case from the Lightning web component?
                                      Choose 2 answers

                                      Answer: A,C

                                      Explanation:
                                      To implement a Lightning web component that allows users to create a Case, you would need components that allow for input fields and the creation of records.
                                      Option C (Lightning-input) is correct because it allows developers to create custom form input elements that can be positioned in a non-linear fashion as required.
                                      Option D (lightning-record-form) is correct because it provides a simple way to create forms for viewing and editing Salesforce records and would be suitable for creating a new Case record.
                                      Option A (Lightning-record-edit-form) is not a valid component; it seems to be a misprint of lightning-record-edit-form, which is indeed a component used for creating and editing records but was not listed as an option.
                                      Option B (lightning-input-field) is used within the lightning-record-edit-form or lightning-record-view-form components to create editable or displayable fields respectively, but is not as versatile as lightning-input for custom layout purposes.
                                      Lightning Web Components Documentation: Lightning-input


                                      NEW QUESTION # 155
                                      An Aura component has a section that displays some information about an Account and it works well on the desktop, but users have to scroll horizontally to see the description field output on their mobile devices and tablets.

                                      How should a developer change the component to be responsive for mobile and tablet devices? A)

                                      B)

                                      C)

                                      D)

                                      Answer: B

                                      Explanation:
                                      To make the Aura component responsive, the developer should set multipleRows="true" to allow the layout items to wrap onto multiple rows on smaller devices. Additionally, setting the size attribute for different device sizes ensures that the layout adapts to the screen width.


                                      NEW QUESTION # 156
                                      ......

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