Free Access Salesforce.PDI.v2024-01-08.q163 Practice Test (Page 26)

Question 121

A developer is implementingan Apex class for a financial system. Within the class, the variables 'creditAmount' and 'debtAmount' should not be able to change once a value is assigned. In which two ways can the developer declare the variables to ensure their value can only be assigned one time? Choose 2 answers

A.Usethe final keyword and assign its value when declaring the variable.

B.Use the final keyword and assign its value in the class constructor.

C.Use the static keyword and assign its value in the class constructor.

D.Use the static keyword and assign its value in a static initializer.

Question 122

Which two describe Heroku Redis? Choose 2 answers.

A.Is an in-memory key-value data store, run by Heroku.

B.Is provisioned and managed as an add-on.

C.Is a repository for storing large images.

D.Is an option for long-term data storage.

Question 123

Refer to the following code snippet for an environment has more than 200 Accounts belongingto the Technology' industry:

When the code execution, which two events occur as a result of the Apex transaction?
When the code executes, which two events occur as a result of the Apex transaction?
Choose 2 answers

A.The Apex transaction fails with the following message. "SObjectrow was retrieved via SOQL without querying the requested field Account.Is.Tech__c''.

B.The Apex transaction succeeds regardless of any uncaught exception and all processed accounts are updated.

C.If executed In a synchronous context, the apex transaction is likely to fall by exceeding the DHL governor limit.

D.If executed in an asynchronous context, the apex transaction is likely to fall by exceeding the DML governor limit

Question 124

Universal Containers (UC) decided it will not to send emails to support personnel directly from Salesforce in the event that an unhandled exception occurs. Instead, UC wants an external system be notified of the error. What is the appropriate publish/subscribe logic to meet these requirements?

A.Publish the error event using the addError() method and write a trigger to subscribe to the event and notify the external system.

B.Publish the error event using the addError() method and have the external system subscribe to the event using CometD.

C.Have the external system subscribe to the BatchApexError event, no publishing is necessary.

D.Publish the error event using the Eventbus.publish() method and have the external system subscribe to the event using CometD.

Question 125

Which two Apex data types can be used to reference a Salesforce record ID dynamically? (Choose two.)

A.sObject

B.ENUM

C.External ID

D.String

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