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Salesforce DEX-450 exam is a certification test designed to evaluate the knowledge and skills of developers who work with Apex and Visualforce in Lightning Experience. DEX-450 exam is intended to validate the expertise of professionals who are proficient in developing custom applications using Salesforce tools and services, as well as integrating them with other systems or platforms.

To be eligible to take the DEX-450 certification exam, candidates must have a strong understanding of Apex programming language and Visualforce markup language. They should also be familiar with the Salesforce Lightning Experience user interface and have experience in developing custom applications on the platform. Candidates who pass the exam will have demonstrated their ability to develop and customize applications using Apex and Visualforce in the Lightning Experience.

Earning the Salesforce DEX-450 Certification can open up a world of opportunities for developers in the Salesforce ecosystem. With this certification, developers can demonstrate their ability to build custom applications that meet the unique needs of their clients and users. Additionally, developers with this certification are highly sought after by employers looking to build and maintain robust Salesforce applications.

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Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Sample Questions (Q20-Q25):

NEW QUESTION # 20
When the number of record in a recordset is unknown, which control statement should a developer use to implement a set of code that executes for every record in the recordset, without performing a .size() or .length() method call?

A. For (init_stmt, exit_condition; increment_stmt) { }
B. Do { } While (Condition)
C. While (Condition) { ... }
D. For (variable : list_or_set) { }

Answer: D

NEW QUESTION # 21
A developer is creating an enhancement to an application that will allow people to be related to their employer. Which data model provides the simplest solution to meet the requirements?

A. Create a master-detail relationship to indicate that a person has an employer
B. Create a lookup realtionship to indicate that a person has an employer
C. Create a junction object to relate many people to many through lookup relationship
D. Create a junction object to relate many people to many through master-detail relationship

Answer: A

NEW QUESTION # 22
Which type of code represents the Model in the MVC architecture on the Force.com platform?

A. A list of Account records returned from a Controller Extension method
B. A Controller Extension method that uses SOQL to query for a list of Account records
C. A Controller Extension method that saves a list of Account records
D. Custom JavaScript that processes a list of Account records.

Answer: A

NEW QUESTION # 23
A developer must write anApex method that will be called from a lightning component. The method may delete an Account stored in the accountRec variable.
Which method should a developer use to ensure only users that should be able to delete Accounts can successfully perform deletion?

A. AccountRec, ObjecType, ieDeletable ()
B. accountRec., isDeletable()
C. Account, isDeletable ()
D. Schena, sobjectType, Account, isDeletetable ()

Answer: D

NEW QUESTION # 24
Management asked for opportunities to be automatically created for accounts with annual revenue greater than $1, 000,000. A developer created the following trigger on the Account object to satisfy this requirement.

Users are able to update the account records via the UI and can see an opportunity created for high annual revenue accounts. However, when the administrator tries to upload a list of 179 accounts using Data Loader, it fails with system, Exception errors.
Which two actions should the developer take to fix the code segment shown above?
Choose 2. answers

A. Check if all the required fields for Opportunity are being added on creation.
B. Move the DML that saves opportunities outside the for loop.
C. Query for existing opportunities outside the for loop.
D. Use Database query to query the opportunities.

Answer: B,C

NEW QUESTION # 25
......

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Reliable Study DEX-450 Questions | DEX-450 Exam Certification Cost

Use Real Salesforce DEX-450 Exam Questions [2025] To Gain Brilliant Result

Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Sample Questions (Q20-Q25):

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