Salesforce Plat-Dev-301

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Salesforce Plat-Dev-301 Exam Syllabus Topics:

Salesforce Certified Platform Developer II - Multiple Choice Sample Questions:

Question #1
There is an Apex controller and a Visualforce page in an org that displays records with a custom filter consisting of a combination of picklist values selected by the user.
The page takes too long to display results for some of the input combinations, while for other input choices it throws the exception, "Maximum view state size limit exceeded".
What step should the developer take to resolve this issue?

A. Use a StandardSetController or SOQL LIMIT in the Apex controller to limit the number of records displayed at a time.
B. Remove instances of the transient keyword from the Apex controller to avoid the view state error.
C. Split the layout to filter records in one Visualforce page and display the list of records in a second page using the same Apex controller.
D. Adjust any code that filters by picklist values since they are not indexed,

Question #2
Universal Containers uses a custom Lightning page to provide a mechanism to perform a step-by-step wizard search for Accounts. One of the steps in the wizard is to allow the user to input text into a text field, ERF Number_c, that is then used in a query to find matching Accounts.

Which step should be taken to resolve the issue?

A. Mark the ERP_Numker = field as an external ID.
B. Perform the SOQL query as part of a for loop.
C. Move the SO0L query to within an asynchronous process.
D. Mark the ERP_Number__ c field as required.

Question #3
Universal Containers develops a Salesforce application that requires frequent interaction with an external REST API.
To avoid duplicating code and improve maintainability, how should they implement the APL integration for code reuse?

A. Create a reusable Apex class for the AFL integration and invoke it from the relevant Apex classes.
B. Include the API integration code directly in each Apex class that requires it.
C. Store the APT integration code as a static resource and reference it in each Apex class.
D. Use a separate Apex class for each API endpoint to encapsulate the integration logic,

Question #4
A developer is writing code that requires making callouts to an external web service.
Which scenario necessitates that the callout be made in an asynchronous method?

A. The callouts will be made in an Apex trigger.
B. The callouts will be made using the REST APL.
C. Over 10 callouts will be made in a single transaction.
D. The callout could take longer than 60 seconds to complete.

Question #5
A developer is debugging an Apex-based order creation process that has a requirement to have three savepoints, SP1, SP2, and 5P3 {created in order), before the final execution of the process.
During the final execution process, the developer has a routine to roll back to SP1 for a given condition. Once the condition is fixed, the code then calls 2 roll back to SP3 to continue with final execution. However, when the roll back to SP3 is called, a Funtime error occurs.
Why does the developer receive a runtime error?

A. SP3 became invalid when SP1 was rolled back.
B. The developer has too many DML statements between the savepoints.
C. The developer used too many savepoints in one trigger session.
D. The developer should have called SF2 before calling SP3.

Solutions: