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Salesforce DEX-450 certification exam consists of 60 multiple-choice questions that must be completed within 105 minutes. DEX-450 exam covers a range of topics, including Apex syntax and data types, Visualforce components and controllers, Lightning Component Framework, and Apex Triggers. DEX-450 exam also covers advanced topics such as Batch Apex, Apex Sharing and Security, and Apex Integration. To prepare for DEX-450 exam, developers can take the Salesforce DEX-450 course, which provides a comprehensive overview of the Salesforce platform and the skills needed to develop custom applications using Apex and Visualforce. Passing the Salesforce DEX-450 certification exam is an excellent way for developers to demonstrate their expertise in programmatic development using Apex and Visualforce in the Lightning Experience and to advance their careers in the Salesforce ecosystem.

Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Sample Questions (Q44-Q49):

NEW QUESTION # 44
A developer creates a new Apex trigger with a helper class, and writes a test class that only exercises 95% coverage of new Apex helper class. Change Set deployment to production fails with the test coverage warning: "Test coverage of selected Apex Trigger is 0%, at least 1% test coverage is required" What should the developer do to successfully deploy the new Apex trigger and helper class?

A. Remove the falling test methods from the test class.
B. Increase the test class coverage on the helper class
C. Create a test class and methods to cover the Apex trigger
D. Run the tests using the 'Run All Tests' method.

Answer: C

NEW QUESTION # 45
A developer of Universal Containers is tasked with implementing a new Salesforce application that must be able to by their company's Salesforce administrator.
Which three should be considered for building out the business logic layer of the application? Choose 3 answers

A. Scheduled Jobs
B. Process Builder
C. Invocable Actions
D. Workflows
E. validation Rules

Answer: B,D,E

NEW QUESTION # 46
Which two statements are true about using the @testSetup annotation in an Apex test class?
Choose 2 answers

A. Records created in the test setup method cannot be updated in individual test methods.
B. A method defined with the @testSetup annotation executes once for each test method in the test class and counts towards system limits.
C. Qo The @testSetup annotation is not supported when the GisTest(SeeAllData=True) annotation is used.
D. Test data is inserted once for all test methods in a class.

Answer: B,C

NEW QUESTION # 47
Which two operations affect the number of times a trigger can fire?
Choose 2 answers

A. Roll-up summary fields
B. Email messages
C. After-save record-triggered flow
D. Criteria-based sharing calculations

Answer: A,C

NEW QUESTION # 48
To which primitive data type in Apex is a currency field atomically assigned?

A. Currency
B. Double
C. Integer
D. Decimal

Answer: D

NEW QUESTION # 49
......

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