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Pass the Salesforce Developers CRT-450 Questions and answers with ExamsMirror

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Questions # 1:

A developer is creating a page that allows users to create multiple Opportunities. The developer is asked to verify the current user's default Opportunity record type, and set certain default values based on the record type before inserting the record.

How can the developer find the current user's default record type?

Options:

A.

Create the opportunity and check the opportunity. recordtype, which will have the record ID of the current user's default record type, before inserting.

B.

Query the Profile where the ID equals userinfo.getprofileID () and then use the profile opportunity. getdefaultresoratype (} method,

C.

Use the schema. Userinfo. Opportunity. getDefaultRecordType {) method.

D.

Use opportunity. sobjectTyps. getDeacribse().getRecordTypeInfos {) to get a list of record types, and iterate through them until isDefaultRecordtypeMapping {) is true.

Questions # 2:

A developer has a Visualforce page and custom controller to save Account records. The developer wants to display any validation rule violations to the user.

How can the developer make sure that validation rule violations are displayed?

Options:

A.

Add custom controller attributes to display the message.

B.

Use a try/catch with a custom exception class.

C.

Include <apex:messages> on the Visualforce page.

D.

Perform the DML using the database.unsert() method,

Questions # 3:

A developer is asked to write helper methods that create test data for unit tests.

Question # 3

What should be changed in the TestUtils class so that its methods are only usable by unit test methods?

Options:

A.

@isTest above line 03.

B.

Add @istest above line 01.

C.

Change public to private on line 01.

D.

Remove static from line 03.

Questions # 4:

When using Salesforce DX, what does a developer need to enable to create and manage scratch orgs?

Options:

A.

Sandbox

B.

Environment Hub

C.

Production

D.

Dev Hub

Questions # 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?

Options:

A.

Set "Use the first value in the list as the default value" to True.

B.

Write an Apex trigger to ensure a value is selected,

C.

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

D.

Mark the field as Required on the field definition.

Questions # 6:

Which two actions may cause triggers to fire?

Choose 2 answers

Options:

A.

Changing a user's default division when the transfer division option is checked

B.

Updates to FeedItem

C.

Cascading delete operations

D.

Renaming or replacing a picklist entry

Questions # 7:

Universal Containers has developed custom Apex code and Lightning Components in a Sandbox environment. They need to deploy

the code and associated configurations to the Production environment.

What is the recommended process for deploying the code and configurations to Production?

Options:

A.

Use the Force.com IDE to deploy the Apex code and Lightning Components.

B.

Use the Ant Migration Tool to deploy the Apex cade and Lightning Components.

C.

Use a change set to deploy the Apex code and Lightning Components.

D.

Use Salesforce CLI to deploy the Apex code and Lightning Components.

Questions # 8:

What are two use cases for executing Anonymous Apex code?

Choose 2 answers

Options:

A.

schedule an Apex class to run periodically

B.

To delete 15,000 inactive Accounts in a single transaction after a deployment

C.

To run a batch Apex class to update all Contacts

D.

To add unit test code coverage to an org

Questions # 9:

A developer is creating a Lightning web component to show a list of sales records.

The Sales Representative user should be able to see the commission field on each record. The Sales Assistant user should be able to see all fields on the record except the commission field.

How should this be enforced so that the component works for both users without showing any errors?

Options:

A.

Use WITH SECURITY_ENFORCED In the SOQL that fetches the data for the component,

B.

Use Security.stripInaccessible Le to remove fields inaccessible to the current user.

C.

Use Lightning Locker Service to enforce sharing rules and field-level security.

D.

Use Lightning Data Service to get the collection of sales records.

Questions # 10:

What should a developer use to fix a Lightning web component bug in a sandbox?

Options:

A.

Developer Console

B.

Force.com IDE

C.

Execute Anonymous

D.

VS Code

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