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Salesforce DEX-450 exam covers a wide range of topics, including Apex classes and triggers, Visualforce pages and components, Lightning Components, data modeling, and testing. Candidates are expected to have a deep understanding of the Apex programming language and its syntax, as well as the Salesforce data model and how to work with it programmatically. They should also be proficient in using the Salesforce development tools, such as the Apex Data Loader and the Developer Console.

To take the DEX-450 Exam, candidates must have a deep understanding of the Apex programming language, Visualforce markup language, and Lightning Component Framework. They should also have experience in building and deploying custom applications on the Salesforce platform, as well as configuring and customizing the Salesforce environment to meet the specific needs of their organization or clients.

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Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Sample Questions (Q186-Q191):

NEW QUESTION # 186
How would a developer change the field type of a custom field on the Account object from string to an integer?

A. Remove all references in the code, make the change in the declarative UI, and restore the references with the new type.
B. Make the changes in the developer console, and then the change will automatically be reflected in the Apex code.
C. Make the change in the declarative UI, an then the change will automatically be reflected in the Apex code.
D. Mate the change in the declarative UI, then update the field type to an integer field in the Apex code.

Answer: A

NEW QUESTION # 187
A Next Best Action strategy uses an Enhance element that invokes an Apex method to determine a discount level for a Contact, based on a number of factors.
What is the correct definition of the Apex method?

Answer: D

NEW QUESTION # 188
A developer created a Visualforce page and custom controller to display the account type field as shown below.
Custom controller code:

Visualforce page snippet:

The value of the account type field is not being displayed correctly on the page. Assuming the custom controller is properly referenced on the Visualforce page, what should the developer do to correct the problem?

A. Add with sharing to the custom controller.
B. Add a getter method for the actType attribute.
C. Convert theAcccunt, type to a String.
D. Change theAccount attribute to public.

Answer: B

NEW QUESTION # 189
Which process automation should be used to post a message to Chatter without using Apex code?

A. Strategy Builder
B. Entitlement Process
C. Outbound Message
D. Flow Builder

Answer: D

NEW QUESTION # 190
Which statement should a developer avoid using inside procedural loops? (Choose 2)

A. If(o.accountId == a.id)
B. System.debug('Amount of CPU time (in ms) used so far: ' + Limits.getCpuTime() );
C. Update contactList;
D. List contacts = [SELECT Id, Salutation, FirstName, LastName, Email FROM Contact WHERE AccountId = :a.Id];

Answer: C,D

NEW QUESTION # 191
......

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DEX-450 RELIABLE EXAM BRAINDUMPS & DEX-450 INSTANT DISCOUNT

DEX-450 Reliable Exam Braindumps & DEX-450 Instant Discount