Salesforce DEX-450 Quiz 34 Topic 3 Questions 166-170

Question: 1

A developer creates a method in an Apex class and needs to ensure that errors are handled properly.What would the developer use? (There are three correct answers.)

AApexPages.addErrorMessage()

BA custom exception

C.addError()

DDatabase.handleException()

EA try/catch construct

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Question: 2

A Visual force page displays two fields named Phone Number and Email.User1 has access to Phone Number, but not to Email.User2 has access to Email, but not Phone NumberA developer needs to ensure that User1 can only see Phone Number, and User2 can only see Email.Which method can the developer use to achieve this?

ASchema isUpdateable() method.

BSchema isAccessible() method.

CSchema isReadable() method.

DSchema isCreateable() method.

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Question: 3

How would a developer change the field type of a custom field on the Account object from string to an integer?

AMake the changes in the developer console, and then the change will automatically be reflected in the Apex code.

BMate the change in the declarative UI, then update the field type to an integer field in the Apex code.

CMake the change in the declarative UI, an then the change will automatically be reflected in the Apex code.

DRemove all references in the code, make the change in the declarative UI, and restore the references with the new type.

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Question: 4

What can a Lightning Component contain in its resource bundle? Choose 2 answer

ACustom client side rendering behavior.

BBuild scripts for minification

CProperties files with global settings

DCSS styles scoped to the component

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Question: 5

The initial value for a number field on a record is 1. A user updated the value of the number field to 10. This action invokes a workflow field update, which changes the value of the number field to 11. After the workflow field update, an update trigger fires.What is the value of the number field of the object that is obtained from Trigger.old?

ANull

B11

C1

D10

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Salesforce DEX-450 Quiz:34 Topic:3 Questions:166-170