Salesforce DEX-450 Quiz 6 Topic 12 Questions 26-30

Question: 1

Which approach should be used to provide test data for a test class?

AQuery for existing records in the database.

BExecute anonymous code blocks that create data.

CUse a test data factory class to create test data.

DAccess data in @TestVisible class variables.

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Question: 2

A developer encounters APEX heap limit errors in a trigger.

Which two methods should the developer use to avoid this error? (Choose two.)

AUse the transient keyword when declaring variables.

BQuery and store fields from the related object in a collection when updating related objects.

CRemove or set collections to null after use.

DUse SOQL for loops instead of assigning large queries results to a single collection and looping through the collection.

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Question: 3

A developer working on a time management application wants to make total hours for each timecard available to application users. A timecard entry has a Master-Detail relationship to a timecard.

Which approach should the developer use to accomplish this declaratively?

AA Visualforce page that calculates the total number of hours for a timecard and displays it on the page

BA Roll-Up Summary field on the Timecard Object that calculates the total hours from timecard entries for that timecard

CA Process Builder process that updates a field on the timecard when a timecard entry is created

DAn Apex trigger that uses an Aggregate Query to calculate the hours for a given timecard and stores it in a custom field

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Question: 4

A developer needs to test an Invoicing system integration. After reviewing the number of transactions required for the test, the developer estimates that the test data will total about 2 GB of data storage. Production data is not required for the integration testing.

Which two environments meet the requirements for testing? (Choose two.)

ADeveloper Sandbox

BFull Sandbox

CDeveloper Edition

DPartial Sandbox

EDeveloper Pro Sandbox

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Question: 5

Which two platform features align to the Controller portion of MVC architecture? (Choose two.)

AProcess Builder actions

BWorkflow rules

CStandard objects

DDate fields

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Salesforce DEX-450 Quiz:6 Topic:12 Questions:26-30