DEX-450 Exam Braindumps, Study DEX-450 Materials

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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.

Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Sample Questions (Q189-Q194):

NEW QUESTION # 189
Given the following code snippet, that is part of a custom controller for a Visualforce page:

In which two ways can the try/catch be enclosed to enforce object and field-level permissions and prevent the DML statement from being executed if the current logged-in user does not have the appropriate level of access? Choose 2 answers

A. Use if (Schema , sobjectType. Contact. Field, Is_Active_c. is Updateable ( ) )
B. Use if (thisContact.Owner = = UserInfo.getuserId ( ) )
C. Use if (Schema.sObjectType.Contact.isAccessible ( ) )
D. Use if (Schema, sobjectType, Contact, isUpdatable ( ) )

Answer: A,D

NEW QUESTION # 190
Which code statement includes an Apex method named updateaccounts in the Class AccountCont rolles for use in a Lightning web component?
A)

B)

C)

D)

A. Option B
B. Option A
C. Option D
D. Option C

Answer: C

NEW QUESTION # 191
The values 'High', 'Medium', and 'Low' are identified as common values for multiple picklists across different objects.
What is an approach a developer can take to streamline maintenance of the picklists and their values, while also restricting the values to the ones mentioned above?

A. Create the Picklist on each object as a required field and select "Display values alphabetically, not in the order entered".
B. Create the Picklist on each object and use a Global Picklist Value Set containing the values.
C. Create the Picklist on each object and add a validation rule to ensure data integrity.
D. Create the Picklist on each object and select "Restrict picklist to the values defined in the value set".

Answer: B

NEW QUESTION # 192
Which tag should a developer include when styling from external CSS is required in a Visualforce page?

A. Apex : require
B. Apex : includeStyle
C. Apex : stylesheet
D. Apex : includeScript

Answer: C

NEW QUESTION # 193
A Salesforce Administrator is creating a record-triggered flow. When certain criteria are met, the flow must call an Apex method to execute complex validation involving several types of objects.
When creating the Apex method, which annotation should a developer use to ensure the method Can be used within the flow?

A. @RemoteAction
B. @future
C. @InvocableMethod
D. @AuraEnaled

Answer: C

NEW QUESTION # 194
......

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DEX-450 Exam Braindumps, Study DEX-450 Materials

2025 DEX-450 Exam Braindumps | High Pass-Rate Salesforce Study DEX-450 Materials: Programmatic Development using Apex and Visualforce in Lightning Experience

Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Sample Questions (Q189-Q194):

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