Salesforce DEX-450 Quiz 14 Topic 1 Questions 66-70

Question: 1

A lead object has a custom field Prior_Email__c. The following trigger is intended to copy the current Email into the Prior_Email__c field any time the Email field is changed:

q1_DEX-450

Which type of exception will this trigger cause?

AA null reference exception

BA compile time exception

CA DML exception

DA limit exception when doing a bulk update

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Question: 2

Why would a developer consider using a custom controller over a controller extension?

ATo increase the SOQL query governor limits.

BTo implement all of the logic for a page and bypass default Salesforce functionality

CTo leverage built-in functionality of a standard controller

DTo enforce user sharing settings and permissions

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Question: 3

A developer is asked to set a picklist field to 'Monitor' on any new Leads owned by a subnet of Users.

How should the developer implement this request?

ACreate an after insert Lead trigger.

BCreate a before insert Lead trigger.

CCreate a Lead Workflow Rule Field Update.

DCreate a Lead formula field.

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Question: 4

How should a developer avoid hitting the governor limits in test methods?

AUse @TestVisible on methods that create records.

BUse Test.loadData() to load data from a static resource.

CUse @IsTest (SeeAllData=true) to use existing data.

DUse Test.startTest() to reset governor limits.

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Question: 5

Which three declarative fields are correctly mapped to variable types in Apex? (Choose three.)

ANumber maps to Decimal.

BNumber maps to Integer.

CTextArea maps to List of type String.

DDate/Time maps to Dateline.

ECheckbox maps to Boolean.

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Salesforce DEX-450 Quiz:14 Topic:1 Questions:66-70