[2024] Valid PDII test answers & Salesforce PDII exam pdf
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NEW QUESTION # 25
What is the transaction limit for the number of DML statements allowed?
- A. 2,000
- B. 200 (synchronous), 100 (async)
- C. 0
- D. 100 (synchronous), 200 (async)
- E. 1
Answer: C
NEW QUESTION # 26
A customer has a single Visualforce page that allows each user to input up to 1500 sales forecasts and instantly view pivoted forecast calculations. Users are complaining that the page is loading slowly, and they are seeing error messages regarding heap and view state limits. What are three recommendations to optimize page performance?
- A. Create formula fields to compute pivoted forecast calculations.
- B. Segregate calculation functionality from input functionality.
- C. Specify the list of sales forecasts as transient.
- D. Use JavaScript Remoting instead of controller actions.
- E. Implement pagination and reduce records per page.
Answer: A,B,D
NEW QUESTION # 27
A developer created a Lightning web component for the Account record page that displays the five most recently contacted Contacts for an Account. The Apex method, Contacts, returns a list of Contacts and will be wired to a property in the component.
Which two lines must change in the above code to make the Apex method able to be wired?
Choose 2 answers
- A. Add @AuraEnabled {cacheable=trues) to line 08.
- B. Add @AuraEnabled {cacheable=true) to line 03.
- C. Add public to line 04.
- D. Remove private from line 09.
Answer: A,D
Explanation:
To make an Apex method callable from a Lightning Web Component, you need to annotate the method with
@AuraEnabled and mark it as cacheable if it's only retrieving data without modifying it. Additionally, the method must be public to be accessible from the component.
Line 04: Needs @AuraEnabled(cacheable=true) to allow the method to be called from the Lightning Web Component and indicate that the method doesn't modify any data, making it suitable for caching.
Line 09: The method getFiveMostRecent should not be private because private methods cannot be called from a Lightning Web Component. Changing it to public (or default, which is equivalent to public within the same namespace) is required.
References:
Lightning Web Components and Salesforce Data: Developer Documentation
@AuraEnabled Annotation: Apex Developer Guide
NEW QUESTION # 28
A company has code to update a Request and Request Lines and make a callout to their external ERP system's REST endpoint with the updated records.
The CalloutUtil. makeRestCallout fails with a 'You have uncommitted work pending. Please commit or rollback before calling out' error. What should be done to address the problem?
- A. Remove the Database.setSavepoint and Database.rollback.
- B. Change the CalloutUtil.makeRestCallout to an @future method
- C. Change the CalloutUtil.makeRestCallout to an @InvocableMethod method.
- D. Move the CalloutUtil.makeRestCallout method call below the catch block.
Answer: B
NEW QUESTION # 29
In a previous data audit, It was determined that close to 5 million Opportunity records are stored within the Salesforce environment. The organization-wide default for the object are set to Public Read-Only and most opportunities are related to an external case.
The method is called from a Lightning web component. Some end users do not provide a cased value and experience low performance while running the query.
Which two techniques should the developer implement to avoid low performance queries from executing?
Choose 2 answers
- A. Implement a LIMIT clause within the SOQL query to restrict the result set.
- B. Ensure the user-provided input is not null before executing the SOQL query.
- C. Use SOSL instead of SOQL queries to perform text-based searches.
- D. Implement the with sharing keyword on the Apex class.
Answer: A,C
NEW QUESTION # 30
A developer receives an error when trying to call a global server-side method using the @remoteAction decorator. How can the developer resolve the error?
- A. Add static to the server-side method signature.
- B. Change the function signature to be private static.
- C. Decorate the server-side method with (static=false)
- D. Decorate the server-side method with (static=true).
Answer: A
NEW QUESTION # 31
A company has a custom object. Order__c, that has a custom picklist field. Status__c, with values of New, In Progress," or Fulfilled and a lookup field, Contact_c, to Contact.
Which SOQL query wrii return a unique list of all the Contact records that have no Fulfilled Orders?
- A. SELECT Contact_c From order_c Where id NOT IN (SELECT id FROM_c Where States_c + Fulfilled')
- B. SELECT iD FROM Contact WHERE id NOT IN (SELECT id From order_c WHERE_c = Fulfilled')
- C. SELECT id FROM Contact WHERE id NOT IN (SELECT Contact _c FROM order_c Where Status_c = fulfilled')
- D. SELECT Contact_c FROM Order_c Where Status_c <> ;Fulfilled'
Answer: C
NEW QUESTION # 32
Refer to the exhibit
Users of this Visualforce page complain that the page does a full refresh every time the Search button Is pressed.
What should the developer do to ensure that a partial refresh Is made so that only the section identified with opportunity List is re-drawn on the screen?
- A. Implement the <apex:actionfunction> tag with immediate = true.
- B. Ensure the action method search returns null.
- C. Enclose the DATA table within the <apex:actionRegion> tag.
- D. Implement the render attribute on the <apex:ccxmandButton> tag.
Answer: D
Explanation:
To ensure that only a part of the Visualforce page is refreshed, developers can use the reRender attribute of the <apex:commandButton> tag. This attribute specifies the IDs of the components that should be re-rendered as a result of the action method being completed. In this case, setting the reRender attribute to the ID of the <apex:pageBlockSection> that contains the opportunity list will cause only that section to be updated on the page, resulting in a partial page refresh.
The correct answer is B because it uses the reRender attribute correctly to update only the specific part of the page (opportunityList) without a full page refresh.
References:
Salesforce Developer Documentation on Visualforce AJAX Components: Visualforce Developer Guide
- CommandButton
NEW QUESTION # 33
The use of the transient keyword in Visualforce page controllers helps with which common performance issue?
- A. Reduces load times
- B. Improves page transfers
- C. Reduces view state
- D. Improves query performance
Answer: C
Explanation:
The transient keyword is a keyword that can be used to declare instance variables that are not part of the view state of a Visualforce page. The view state is the state of the page that is persisted on the server and transferred to the client. The view state can affect the performance and user experience of the page, as it can increase the page load time, the response time, and the bandwidth consumption. By using the transient keyword, the developer can mark the variables that are not needed for rendering the page or maintaining the state, such as temporary variables, constants, or cached data. This way, the developer can reduce the size of the view state and improve the performance of the page. Reference: [transient Keyword], [View State]
NEW QUESTION # 34
Which statement is considered a best practice for writing bulk safe Apex triggers?
- A. Use the Database methods with allorNone set to £21s= instead of DML statements.
- B. Add records to collections and perform DML operations against these collections.
- C. Perform all DML operations from within a future method.
- D. Add LIMIT 50000 to every SOQL statement.
Answer: B
NEW QUESTION # 35
A managed package uses a list of country ISO codes and country names as references data in many different places.. managed package Apex code.
What is the optimal way to store and retrieve the list?
- A. Store the information in Custom Metadata and access it with the getAll() method.
- B. Store the information in a List Custom Setting and query it with SOQL.
- C. Store the information in a list Custom Setting and access it with the getAll() method
- D. Store the information in Custom Metadata and query it with SOQL.
Answer: D
NEW QUESTION # 36
Universal Containers has an Apex trigger on Account that creates an Account Plan record when an Account is marked as a Customer. Recently a workflow rule was added so that whenever an Account is marked as a Customer, a 'Customer Since' date field is updated with today's date.
Since the addition of the workflow rule, two Account Plan records are created whenever the Account is marked as a Customer.
What might cause this to happen?
- A. The Apex trigger is not bulk safe and calls insert inside of a for loop.
- B. The workflow rule field update is marked as 'Re-evaluate Workflow Rules After Field Change."
- C. The Apex trigger does not use a static variable to ensure it only fires once.
- D. The workflow rule is configured to evaluate when a record is created and every time it is edited.
Answer: B
NEW QUESTION # 37
A company wants to run different logic based on an Opportunity's record type.
Which code segment handles this request and follows best practices?
- A.
- B.
- C.
- D.
Answer: B
Explanation:
The correct way to handle this request and follow best practices is to use option C. Option C uses a SOQL query with a subquery to filter the Opportunities by record type and then iterate over the results. This way, the developer can avoid hardcoding the record type names or IDs, which can change in different environments or languages, and use the relationship name between Opportunity and RecordType to access the record type name. This also reduces the number of SOQL queries and the number of iterations, as the developer only queries the Opportunities that match the record type criteria and does not need to check the record type name in the loop. Option C also follows the best practices for writing SOQL queries, such as using bind variables, avoiding unnecessary fields, and using selective filters12. Reference: [SOQL and SOSL Queries], [SOQL Relationships], [SOQL Best Practices]
NEW QUESTION # 38
What is the transaction limit on the number of "sendEmail" method calls?
- A. 0
- B. 1
- C. 2
- D. There is no limit
- E. 3
Answer: C
NEW QUESTION # 39
Salesforce users consistently receive a "Maximum trigger depth exceeded" error when saving an Account. How can a developer fix this error?
- A. Convert the trigger to use the 3suzure annotation, and chain any subsequent trigger invocations to the Account object.
- B. Modify the trigger to use the L=MultiThread=true annotation,
- C. Use a helper class to set a Boolean to TRUE the first time a trigger 1s fired, and then modify the trigger ta only fire when the Boolean is FALSE.
- D. Split the trigger logic into two separate triggers.
Answer: C
Explanation:
A "Maximum trigger depth exceeded" error occurs when a trigger invokes itself recursively, either directly or indirectly, and exceeds the maximum stack depth. To fix this error, you can use a helper class to set a Boolean flag to TRUE the first time a trigger is fired, and then modify the trigger to only fire when the Boolean flag is FALSE. This way, you can prevent the trigger from running more than once for the same record. Splitting the trigger logic into two separate triggers does not solve the problem, as the triggers may still invoke each other recursively. Converting the trigger to use the @future annotation does not guarantee that the error will not occur, as the future method may still invoke the trigger again. The @MultiThread=true annotation does not exist in Apex. Reference: [Trigger Frameworks and Apex Trigger Best Practices], [@future Annotation]
NEW QUESTION # 40
A developer wants to write a generic Apex method that will compare the Salesforce Name field 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.
Assuming the Name field exists, how should the developer do this?
- A. Use a string. Replace () method to parse the contents of each Name field and then compare the results.
- B. Cast each object into an sObject and use sObject.get to compare the Name fields,
- C. Use the Salesforce Metadata API to extract the value of each object and compare the Name fields.
- D. describe) function to compare the values of each Name field.
Answer: B
Explanation:
Casting each object to an sObject and using the get method to compare the Name fields is the correct approach. This is because sObjects are generic object representations that can be used to access the fields of any Salesforce object dynamically. References:
sObject Class
NEW QUESTION # 41
A company wants to implement a new call center process for handling customer service calls. It requires service reps to ask for the caller's account number before proceeding with the rest of their call script.
Following best practices, what should a developer use to meet this requirement?
- A. Flow Builder
- B. Apex Trigger
- C. Approvals
- D. Process Builder
Answer: D
NEW QUESTION # 42
ABC Company has an Apex process that makes multiple extensive database operation and web service callouts. The database processes and web services can take a length time to run and must be run sequentially.
How should the developer write this Apex code without running into governor limits and system limitations?
- A. Use multiple @future methods for each process and callout.
- B. Use Limits class to stop entire process once governor limits are reached.
- C. Use Apex Scheduler to scheduled each process.
- D. Use Queueable Apex to chain the jobs to run sequentially.
Answer: B
NEW QUESTION # 43
Which code snippet processes records in the most memory efficient manner, avoiding governor limits such as
"Apex heap size too large"?
- A.
- B.
- C.
- D.
Answer: B
Explanation:
Option D, which uses the Database.query() method in combination with a for loop, is the most memory-efficient way to process records. This is known as the Query Locator pattern, which allows you to work with a large number of records by querying them in batches. This approach helps to avoid hitting the governor limit for "Apex heap size too large" as it processes one record at a time from the database without storing the entire result set in memory.
References:
Working with Very Large SOQL Queries
Apex Governor Limits
NEW QUESTION # 44
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