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A developer is experiencing issues with a Lightning web component. The component must surface information about Opportunity 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?
Just prior to a new deployment, the Salesforce Administrator who configured a new order fulfillment process in a developer sandbox suddenly left the company. The users had fully tested all of the changes in the sandbox and signed off on them. Unfortunately, although a Change Set was started, it was not complete. A developer is brought in to help finish the deployment. What should the developer do to identify the configuration changes that need to be moved into production?
As part of a new integration, a developer is asked to implement a new custom search functionality that is capable of performing unrestricted queries and can account for all values within a custom picklist field, type__z, on the Opportunity object. The search feature must also account for NULL values. The organization-wide default for the Opportunity object is set to Public Read-Only, and a new custom index has. been created for the Type__c field. There are more than 5 million Opportunity records within the environment. and a considerable amount of the existing records have NULL values for the picklist Which technique should the developer implement to maximize performance when querying NULL values?
Refer to the following code snippet: A developer created a JavaScript function as part of a Lightning web component (LWC) that surfaces information about Leads by wire calling geyFetchLeadList whencertain criteria are met. Which three changes should the developer implement in the Apex class above to ensure the LWC can display data efficiently while preserving security? Choose 3 answers
A developer is developing a reuseable Aura Component that will reside on an sObject Lightning Page with the following HTML snippet: <aura:component implements="force:hasRecordId,flexipage:availableForAIIPageTypesM> <div>Hello!</div> </aura:component> How can the component's Controller get the context of the Lightning Page that the sObject is on without requiring additional test coverage?
A developer wants to write a generic Apex method that will compare the Salesforce Name filed between any two object records, for example to compare the Name field of an Account and an Opportunity; or the name of an Account and a Contact. How should the developer do this?
Given the following code: Assuming there were 10 Contacts and five Accounts created today, what is the expected result?
Which statement is true about using ConnectApi namespace (also called Chatter in Apex)? (Choose two.)
A Visualforce page loads slowly due to the large amount of data it displays. Which strategy can a developer use to improve the performance?
Universal Containers decided to use Salesforce to manage a new hire interview process. A custom object called candidate as created with organization-wide default set to Private. A lookup on the Candidate object sets an employee as an the viewer user

Question 57 - Certified Platform Developer II discussion

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Part of a custom Lightning Component displays the total number of Opportunities in the org, which is in the millions. The Lightning Component uses an Apex Controller to get the data it needs. What is the optimal way for a developer to get the total number of Opportunities for the Lightning Component?

A.
SUM() SOQL aggregate query on the Opportunity object
Answers
A.
SUM() SOQL aggregate query on the Opportunity object
B.
SOQL for loop that counts the number of Opportunities records
Answers
B.
SOQL for loop that counts the number of Opportunities records
C.
COUNT() SOQL aggregate query on the Opportunity object
Answers
C.
COUNT() SOQL aggregate query on the Opportunity object
D.
Apex Batch job that counts the number of Opportunity records
Answers
D.
Apex Batch job that counts the number of Opportunity records
Suggested answer: C
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asked 23/09/2024
Gennaro Migliaccio
33 questions
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