Salesforce DEX-450 Exam Questions Instant Access

Question 1

A custom Visualforce controller calls the ApexPages.addMessage() method, but no messages are rendering on the page.

Which component should be added to the Visualforce page to display the message?

A<opex:message for'info'/>

Answer : B

Question 2

What can be easily developed using the Lightning Component framework?

ASalesforce Classic user interface pages

BLightning Pages

CCustomized JavaScript buttons

DSalesforce integrations

Answer : B

Question 3

Which annotation exposes an Apex class as a RESTful web service?

A@RemoteAction

B@RestResource (urlMapping='/myService/*'')

C@HttpInvocable

D@Aurabnabled(cacheable=true)

Answer : B

Question 4

How does the Lightning Component framework help developers implement solutions faster?

ABy providing device-awareness for mobile and desktops

BBy providing an Agile process with default steps

CBy providing change history and version control

DBy providing code review standards and processes

Answer : A

Question 5

A custom picklist field, Pool Preference , exists on a custom object. The picklist contains the following options: 'Vegan', 'Kosher', 'No Preference'. The developer must ensure a value is populated every time a record is created or updated.

What is the optimal way to ensure a value is selected every time a record is saved?

ASet 'Use the first value in the list as the default value' to True.

BWrite an Apex trigger to ensure a value is selected,

CMark the field as Required on the object's page layout.

DMark the field as Required on the field definition.

Answer : A

Question 6

Which three statements are accurate about debug logs?

Choose 3 answers

ADebug logs can be set for specific users, classes, and triggers.

BSystem debug logs are retained for 24 hours.

COnly the 20 most recent debug logs for a user are kept.

DDebug log levels are cumulative, where FINE log level includes all events logged at the DEBUG, INFO, WARN, and ERROR levels.

EThe maximum size of a debug log is 5 MB.

Answer : A, B, E

Question 7

Universal Containers implemented a private sharing model for the Account object. A custom Account search tool was developed with

Apex to help sales representatives find accounts that match multiple criteria they specify. Since its release, users of the tool report they can see

Accounts they do not own.

What should the developer use to enforce sharing permissions for the currently logged in user while using the custom search tool?

AUse the with sharing keyword on the class declaration.

BUse the without sharing keyword on the class declaration.

CUse the userInfo Apex class to filter all SOQL queries to returned records owned by the logged-in user.

DUse the schema describe calls to determine if the logged-in user has access to the Account object.

Answer : A

Salesforce Build Applications Programmatically on the Salesforce Platform DEX-450 Exam Questions