最新的Salesforce PDI免費考試真題

問題1

A developer is tasked to perform a security review of the ContactSearch Apex class that exists in the system. Within the class, the developer identifies the following method as a security threat:
List < Contact > performSearch(String lastName){
return Database.query( ' SELECT Id, FirstName, LastName FROM Contact WHERE LastName Like ' % ' +lastName+ ' % ' ' );
}
What are two ways the developer can update the method to prevent a SOQL injection attack?

A. Use the escapeSingleQuotes method to sanitize the parameter before its use.

B. Use variable binding and replace the dynamic query with a static SOQL.

C. Use the @ReadOnly annotation and the with sharing keyword on the class.

正確答案: A,B

說明：（僅 Fast2test 成員可見）

問題2

A developer wants to mark each Account in a List < Account > as either Active or Inactive, based on the value in the LastModifiedDate field of each Account being greater than 90 days in the past.
Which Apex technique should the developer use?

A. An if-else statement, with a for loop inside

B. A for loop, with an if or if/else statement inside

C. A for loop, with a switch statement inside

D. A switch statement, with a for loop inside

正確答案: B

說明：（僅 Fast2test 成員可見）

問題3

How can a developer check the test coverage of autolaunched Flows before deploying them in a change set?

A. Use the ' ApexTestResult ' class.

B. Use the Flow Properties page.

C. Use SOQL and the Tooling API.

D. Use the Code Coverage Setup page.

正確答案: B

說明：（僅 Fast2test 成員可見）

問題4

A developer needs to confirm that a Contact trigger works correctly without changing the organization ' s data.
What should the developer do to test the Contact trigger?

A. Use the Open Execute Anonymous feature on the Developer Console to run an ' insertContact ' DML statement.

B. Use the New button on the Salesforce Contacts Tab to create a new Contact record.

C. Use the Test menu on the Developer Console to run all test classes for the Contacttrigger.

D. Use Deploy from the VSCode IDE to deploy an ' insert Contact ' Apex class.

正確答案: C

說明：（僅 Fast2test 成員可見）

問題5

A developer must troubleshoot to pinpoint the causes of performance issues when a custom page loads in their org.
Which tool should the developer use to troubleshoot query performance?

A. Developer Console

B. Setup Menu

C. AppExchange

D. Visual Studio Code IDE

正確答案: A

說明：（僅 Fast2test 成員可見）

問題6

Which two settings must be defined in order to update a record of a junction object?

A. Read/Write access on the secondary relationship

B. Read/Write access on the junction object

C. Read access on the primary relationship

D. Read/Write access on the primary relationship

正確答案: B,D

說明：（僅 Fast2test 成員可見）

問題7

A lead developer creates a virtual class called " OrderRequest " . Consider the following code snippet:
public class CustomerOrder{
//code implementation
}
How can a developer use the OrderRequest class within the CustomerOrder class?

A. @Implements(class= " OrderRequest " ) public class CustomerOrder

B. public class CustomerOrder extends OrderRequest

C. public class CustomerOrder implements Order

D. @Extends(class= " OrderRequest " ) public class CustomerOrder

正確答案: B

說明：（僅 Fast2test 成員可見）

問題8

A PrimaryId_c custom field exists on the Candidate_c custom object. The field is used to store each candidate ' s id number and is marked as Unique in the schema definition.
As part of a data enrichment process, Universal Containers has a CSV file that contains updated data for all candidates in the system. The file contains each Candidate ' s primary id as a data point. Universal Containers wants to upload this information into Salesforce, while ensuring all data rows are correctly mapped to a candidate in the system.
Which technique should the developer implement to streamline the data upload?

A. Update the PrimaryId_c field definition to mark it as an External Id.

B. Create a before insert trigger to correctly map the records.

C. Upload the CSV into a custom object related to Candidates_c.

D. Create a before save flow to correctly map the records.

正確答案: A

說明：（僅 Fast2test 成員可見）

問題9

A custom object Trainer_c has a lookup field to another custom object Gym_c. Which SOQL query will get the record for the Viridian City Gym and all its trainers?

A. SELECT Id, (SELECT Id FROM Trainers_r) FROM Gym_c WHERE Name = ' Viridian CityGym '

B. SELECT Id, (SELECT Id FROM Trainers_c) FROM Gym_c WHERE Name = ' Viridian CityGym '

C. SELECT Id, (SELECT Id FROM Trainer_c) FROM Gym_c WHERE Name = ' Viridian CityGym '

D. SELECT ID FROM Trainer_c WHERE Gym_r.Name = ' Viridian City Gym '

正確答案: A

說明：（僅 Fast2test 成員可見）

問題10

If Apex code executes inside the execute() method of an Apex class when implementing the Batchable interface, which two statements are true regarding governor limits?

A. The Apex governor limits are omitted while calling the constructor of the Apex class.

B. The Apex governor limits are reset for each iteration of the execute() method.

C. The Apex governor limits cannot be exceeded due to the asynchronous nature of thetransaction.

D. The Apex governor limits will use the asynchronous limit levels.

正確答案: B,D

說明：（僅 Fast2test 成員可見）

問題11

Universal Containers has a large number of custom applications that were built using a third-party JavaScript framework and exposed using Visualforce pages. The company wants to update these applications to apply styling that resembles the look and feel of Lightning Experience.
What should the developer do to fulfill the business request in the quickest and most effective manner?

A. Enable Available for Lightning Experience, Lightning Communities, and the mobileapp on Visualforce pages used by the custom application.

B. Incorporate the Salesforce Lightning Design System CSS stylesheet into the JavaScriptapplications.

C. Set the attribute enableLightning to true in the definition.

D. Rewrite all Visualforce pages as Lightning components.

正確答案: B

說明：（僅 Fast2test 成員可見）

問題12

A developer creates a custom exception as shown below:
public class ParityException extends Exception {}
What are two ways the developer can fire the exception in Apex?

A. throw new ParityException( ' parity does not match ' );

B. throw new ParityException();

C. new ParityException();

D. new ParityException( ' parity does not match ' );

正確答案: A,B

說明：（僅 Fast2test 成員可見）

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