[UPDATED Aug-2022] Best Value Available Preparation Guide for DEX-450 Exam [Q14-Q29]

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August 4, 2022

[UPDATED Aug-2022] Best Value Available Preparation Guide for DEX-450 Exam [Q14-Q29]

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[UPDATED Aug-2022] Best Value Available Preparation Guide for DEX-450 Exam

1 Full DEX-450 Practice Test and 295 Unique Questions, Get it Now!

Benefits in Obtaining Salesforce DEX-450 Certification

71 percent of bachelor’s degree expert methodology and energetic methodology certified methodologists receive up to another 16 percent are recorded in the Salesforce annual analytical compensation survey. The certification from Salesforce DEX-450 strengthens your expertise as well as your know-how to ensure that your views are agile in a system of market research.
The physical test applicants of the Salesforce DEX-450 certification perceive a fresh advantage on other comrades when being interviewed. In the project market, aspirants find themselves even more aggressive. Salesforce DEX-450 is understood worldwide so that certified aspirants, along with methods of organizational analysis, are simply more self-confident.

The DEX-450 qualification from Salesforce enhances your expertising and expertise to apply an agile perspective within a system of corporate research. At the interview DEX-450 examiners pick a corner over other comrades. In the labour market, aspirants are more competitive.

NO.14 What is a valid way of loading external JavaScript files into a Visualforce page? (Choose 2)

Using an (apex:includeScript)* tag. >

Using an (apex:define)* tag.

Using a (link)* tag.

Using a (script)* tag.

NO.15 The sales team at Universal Containers would like to see a visual indicator appear on both Account and Opportunity page layouts to alert salespeople when an Account is late making payments or has entered the collections process. What can a developer implement to achieve this requirement without having to write custom code?

Quick Action

Formula Field

Roll-up Summary Field

Workflow Rule

NO.16 How would a developer determine if a CustomObject__c record has been manually shared with the current user in Apex?

By querying the role hierarchy.

By calling the isShared() method for the record.

By querying CustomObject__Share.

By calling the profile settings of the current user.

NO.17 A developer uses an ‘after update’ trigger on the Account object to update all the Contacts related to the Account. The trigger code shown below is randomly failing.
List<Contacts> theContacts = new List<Contacts>(); for(Account a : Trigger.new){ for(Contact c : [SELECT Id, Account_Date__c FROM Contact WHERE AccountId = :a.Id]){ c.Account_Date__c = Date.today(); theContacts.add(c);
}
} updates theContacts;
Which line of code is causing the code block to fail?

An exception is thrown if theContacts is empty

The trigger processes more than 200 records in the for loop.

An exception is thrown if Account_Date__c is null.

A SOQL query is located inside of the for loop.

NO.18 What features are available when writing apex test classes?(Choose 2 Answers)

The ability to select error types to ignore in the developer console.

The ability to write assertions to test after a @future method.

The ability to set and modify the CreatedDate field in apex tests.

The ability to set breakpoints to freeze the execution at a given point.

The ability to select testing data using csv files stored in the system.

NO.19 A primaryid_c custom field exists on the candidate_c custom object. The filed is used to store each candidate’s id number and is marked as Unique in the schema definition.
As part of a data enrichment process. Universal Containers has a CSV file that contains updated data for all candidates in the system, the file contains each Candidate’s primary id as a data point. Universal Containers wants to upload this information into Salesforce, while ensuring all data rows are correctly mapped to a candidate in the system.
Which technique should the developer implement to streamline the data upload?

Create a Process Builder on the Candidate_c object to map the records.

Create a before Insert trigger to correctly map the records.

Update the primaryid__c field definition to mark it as an External Id

Upload the CSV into a custom object related to Candidate_c.

NO.20 Which two process automations can be used on their own to send Salesforce Outbound Message?
Choose 2 answers

Process Builder

Workflow Rule

Flow Builder

Strategy Builder

NO.21 A developer must provide a custom user interface when users edit a Contact. Users must be able to use the interface in Salesforce Classic and Lightning Experience.
What should the developer do to provide the custom user interface?

Override the Contact’s Edit button with a Visualforce page in Salesforce Classic and a Lightning component in Lightning Experience.

Override the Contact’s Edit button with a Visualforce page in Salesforce Classic and a Lightning page inLightning Experience.

Override the Contact’s Edit button with a Lightning component in Salesforce Classic and a Lightning component in Lightning Experience.

Override the Contact’s Edit button with a Lightning page in Salesforce Classic and a Visualforce page in Lightning Experience.

NO.22 Which two number expressions evaluate correctly? (Choose two.)

Double d = 3.14159;

Integer I = 3.14159;

Decimal d = 3.14159;

Long l = 3.14159;

NO.23 What is the data type returned by the following SOSL search? {FIND ‘Acme*’ in name fields returning account,opportunity};

List<List<Account>,List<Opportunity>

Map<sObject,sObject>

Map<Id,sObject>

List<List<sObject>>

NO.24 When viewing a Quote, the sales representative wants to easily see how many discounted items are included in the Quote Line Items.
What should a developer do to meet this requirement?

Create a trigger on the Quote object that queries the Quantity field on discounted Quote Line Items.

Create a Workflow Rule on the Quote Line Item object that updates a field on the parent Quote when the item is discounted.

Create a roll-up summary field on the Quote object that performs a SUM on the quote Line Item Quantity field, filtered for only discounted Quote Line Items.

Create a formula field on the Quote object that performs a SUM on the Quote Line Item Quantity field, filtered for only discounted Quote Line Items.

NO.25 Which three resources in an Aura Component can contain Javascript functions? Choose 3 answers

Controller

Helper

Renderer

NO.26 A developer wrote a unit test to confirm that a custom exception works properly in a custom controller, but the test failed due to an exception being thrown. What step should the developer take to resolve the issue and properly test the exception?

Use Test.isRunningTest() within the customer controller.

Use database methods with all or none set to FALSE.

Use the finally block within the unit test to populate the exception.

Use try/catch within the unit test to catch the exception.

NO.27 A developer created a Lightning web component called statusComponent to be inserted into the Account record page.
Which two things should the developer do to make the component available?

Add <isExposed> true</isExposed> to the statusComponent.js-meta ml file.

Add <target> lighting _RecordPage </target> to the statusComponent.js-meta ml file.

Add < masterLabel>Account</master Label> to the statusComponent.js-meta ml file.

Add<target> Lightning_RecordPage </target> to the statusComponent.js file.

NO.28 A platform developer needs to write an apex method that will only perform an action if a record is assigned to a specific record type. Which two options allow the developer to dynamically determine the ID of the required record type by its name? Choose 2 answers

Use the getrecordtypeinfosbydevelopername() method in the describesobjectresult class

Make an outbound web services call to the SOAP API

Execute a SOQL query on the recordtype object

Hardcore the ID as a constant in an apex class

NO.29 Which actions can a developer perform using the Schema Builder?Choose 2 answers

Create a custom field and automatically add it to an existing page layout.

Create a view containing only standard and system objects.

Create a custom object and define a lookup relationship on that object

Create a view of objects and relationships without fields

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Introduction to Salesforce DEX-450 Exam

This qualification concentrates on the programmer’s validation of abilities, such as the programming of programs. Salesforce DEX-450 certification acknowledges that the applicant has the potential to conform his / her Salesforce applications to the heart of the Pinnacle programming language and the visual power diagram. The credential offers a better indicator of the competences which you have established to provide prospective employers. Professionals need to gain functional expertise in constructing and programming data objects (sObjectiles) to retrieve, modify and store data from these objects. Specify custom logic with Apex triggers and classes and use the built-in testing system to test this logic. This Guide covers all facets of the DEX-450 Test, the salary of the accredited specialist Salesforce DEX-450 and all the aspects of the Salesforce DEX-450 certification.

The Salesforce DEX-450 exam is a competency qualification test that acknowledges your capability growth. You need industry expertise to attempt the test. Professionals should execute the following duties following certification:

Develop programmatic implementations that benefit from declarative personalizations
Write customizations of business logic using triggers and classes from Apex. SOQL and DML are used with these customizations.
Describe a range of the main features of multi-tenant programme architecture
Using the combined Apex and Visual Powers evaluation system.
Using a declarative GUI to build and change subjects

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