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Salesforce Certified Platform Developer I Sample Questions (Q159-Q164):

NEW QUESTION # 159
A developer creates a new Apex trigger with a helper class, and writes a test class that only exercises 95% coverage of new Apex helper class. Change Set deployment to production fails with the test coverage warning: "Test coverage of selected Apex Trigger is 0%, at least 1% test coverage is required" What should the developer do to successfully deploy the new Apex trigger and helper class?

A. Remove the falling test methods from the test class.
B. Run the tests using the 'Run All Tests' method.
C. Create a test class and methods to cover the Apex trigger
D. Increase the test class coverage on the helper class

Answer: A

NEW QUESTION # 160
A developer must modify the following code snippet to prevent the number of SOQL queries issued from exceeding the platform governor limit. public class without sharing OpportunityService( public static List<OpportunityLineItem> getOpportunityProducts(Set<Id> opportunityIds){ List<OpportunitylineItem> oppLineItems = new List<OpportunityLineItem>(); for(Id thisOppId : opportunityIds){ oppLineItems.addAll([Select Id FROM OpportunityLineItems WHERE OpportunityId = :thisOppId)]; } return oppLineItems; } } The above method might be called during a trigger execution via a Lightning component. Which technique should be implemented to avoid reaching the governor limit?

A. Refactor the code above to perform only one SOQL query, filtering by the Set of opportunityIds.
B. Use the System.Limits.getQueries() method to ensure the number of queries is less than 100.
C. Refector the code above to perform the SOQL query only if the Set of opportunityIds contains less 100 Ids.
D. Use the System.Limits.getlimitQueries() method to ensure the number of queries is less than 100.

Answer: D

NEW QUESTION # 161
Consider the following code snippet for a Visualforce page that is launched using a Custom Button on the Account detail page layout.

When the Save button is pressed the developer must perform a complex validation that involves multiple objects and, upon success, redirect the user to another Visualforce page.
What can the developer use to meet this business requirement?

A. Apex
B. trigger
C. extension
D. Controller

Answer: B

NEW QUESTION # 162
For which three items can a trace flag be configured?
Choose 3 answers

A. User
B. Visualforce
C. Apex Trigger
D. Process Builder
E. Apex Class

Answer: A,C,E

NEW QUESTION # 163
Which two combined methods should a developer use to prevent more than one open Opportunity on each Account? Choose 2 answers

A. Create an Account Roll-up Summary field to count open Opportunities
B. Create an Account Trigger to generate an error on Opportunity insert
C. Create an Opportunity Validation Rule to generate an error on insert
D. Create an Opportunity Workflow Rule to auto-close the Opportunity

Answer: A,C

NEW QUESTION # 164
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