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Salesforce Plat-Dev-301 Exam Syllabus Topics:

SectionObjectives
Topic 1: Application Development- Advanced Apex programming
  • 1. Exception handling and debugging strategies
    • 2. Dynamic Apex and metadata-driven development
      • 3. Apex design patterns and best practices
        - Asynchronous processing
        • 1. Batch Apex and Queueable Apex
          • 2. Future methods and limits considerations
            • 3. Scheduled Apex
              Topic 2: Data Modeling and Management- Data access and security
              • 1. Sharing rules and Apex-managed sharing
                • 2. Security enforcement in Apex
                  - Advanced data modeling
                  • 1. Complex relationships and schema design
                    • 2. Large data volume considerations
                      Topic 3: Testing and Deployment- Deployment lifecycle
                      • 1. Version control and CI/CD concepts
                        • 2. Change sets and deployment tools
                          - Testing strategies
                          • 1. Test data creation and mocking
                            • 2. Code coverage and quality practices
                              Topic 4: Integration and APIs- Platform events and messaging
                              • 1. Change Data Capture concepts
                                • 2. Event-driven architecture
                                  - External system integration
                                  • 1. REST and SOAP API usage
                                    • 2. Callouts from Apex

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                                      Salesforce Certified Platform Developer II - Multiple Choice Sample Questions (Q145-Q150):

                                      NEW QUESTION # 145
                                      A business currently has a process to manually upload orders from its external Order Management System (OMS) into Salesforce.
                                      This is a labor intensive process since accounts must be exported out of Salesforce to get the IDs. The upload file must be updated with the correct account IDs to relate the orders to the corresponding accounts.
                                      Which two recommendations should make this process more efficient?
                                      Choose 2 answers

                                      Answer: C,D

                                      Explanation:
                                      Setting unique fields on related objects as External IDs allows for the creation of relationships during imports without needing Salesforce IDs. The upsert operation in Data Loader can then use these External IDs to relate records, which streamlines the process and avoids the need to export Salesforce IDs manually.
                                      Data Loader Guide


                                      NEW QUESTION # 146
                                      The Account object has a field, Audit_Code_c, that is used to specify what type of auditing the Account needs and a Lookup to User, zudizar_c, that is the assigned auditor. When an Account is initially created, the user specifies the Audit_Code c. Each User in the org has a unique text field, Audit_Code _e, that is used to automatically assign the correct user to the Account's Auditor_c field.

                                      What should be changed to most optimize the code's efficiency? Choose 2 answers

                                      Answer: A,C

                                      Explanation:
                                      To optimize the code's efficiency when assigning users to the Account's Auditor field based on the audit code, the following changes should be considered:
                                      B . Building a map of audit code to accounts (Map<string, List<Account>>) would allow for efficient grouping of accounts by their audit code. This would make it easier to process accounts with the same audit code in a single operation, reducing the number of SOQL queries and DML operations needed.
                                      D . Adding a WHERE clause to the SOQL query to filter on audit codes would limit the number of records returned by the query. This means the code only processes relevant User records with matching audit codes, thereby reducing the processing time and memory consumption.
                                      Option A is not recommended because querying for all distinct audit codes without any context of the accounts being processed could be inefficient. Option C is less effective because it would involve creating a mapping of Account Ids to audit codes, which doesn't aid in the efficient assignment of auditor to accounts.
                                      Salesforce Developer Guide on Maps: Apex Maps
                                      Salesforce Developer Guide on SOQL Queries: SOQL SELECT Syntax


                                      NEW QUESTION # 147
                                      Refer to the following code snippets:
                                      A developer is experiencing issues with a Lightning web component. The component must surface information about Opportunities owned by the currently logged-in user.

                                      When the component is rendered, the following message is displayed: "Error retrieving data". Which modification should be implemented to the Apex class to overcome the issue?

                                      Answer: B

                                      Explanation:
                                      The @AuraEnabled(cacheable=true) attribute allows caching of method results on the client side, reducing server trips for already fetched data, which is useful for read-only data.


                                      NEW QUESTION # 148
                                      Universal Containers needs to integrate with their own, existing, internal custom web application. The web application accepts JSON payloads, resizes product images, and sends the resized images back to Salesforce.
                                      What should the developer use to implement this integration?

                                      Answer: D

                                      Explanation:
                                      In a scenario where an integration requires making a callout to an external web application, Apex is often used to perform callouts. The callout must be asynchronous when being made from a trigger because a callout cannot be made from a synchronous operation like a trigger due to the possibility of long-running transactions.
                                      Option A (An Apex trigger that calls an @future method that allows callouts) is correct because it enables the trigger to perform an asynchronous callout to the external web application, which is necessary for sending JSON payloads and receiving the resized images.
                                      Options B, C, and D do not fit the requirement as well as option A because platform events and flows are typically not used for making direct callouts to external systems in the context described.
                                      Apex Developer Guide: Apex Web Services and Callouts


                                      NEW QUESTION # 149
                                      A developer is creating a page in App Builder that will be used in the Salesforce mobile app.
                                      Which two practices should the developer follow to ensure the page operates with optimal performance?
                                      Choose 2 answers

                                      Answer: A,C

                                      Explanation:
                                      For mobile app pages in App Builder, best practices include limiting the number of heavy components like Tabs and Accordion because they can negatively impact performance due to increased client-side processing and data transfer. Also, using Performance Analysis in App Builder helps in identifying components that may slow down page performance and provides recommendations for improvements. Reference:
                                      Optimize Performance in the Salesforce Mobile App
                                      Lightning App Builder Performance Analysis


                                      NEW QUESTION # 150
                                      ......

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