Salesforce Exam DEX-450 Topics: Programmatic Development using Apex and Visualforce in Lightning Experience - Itcertkey Test Engine Simulation

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The Salesforce DEX-450 exam is a great way for developers to prove their expertise in programmatic development using Apex and Visualforce in Lightning Experience. It validates an individual's understanding of the programming concepts, best practices, and techniques that are necessary for developing custom applications and automating business processes in Salesforce. This certification is a must-have for developers who want to advance their careers in the Salesforce ecosystem.

>> Exam DEX-450 Topics <<

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Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Sample Questions (Q19-Q24):

NEW QUESTION # 19
Universal Containers hires a developer to build a custom search page to help user- find the Accounts they want. Users will be able to search on Name, Description, and a custom comments field.
Which consideration should the developer be aware of when deciding between SOQL and SOSL?
Choose 2 answers

A. SOQL is able to return more records.
B. SOSL is able to return more records.
C. SOQL is faster for text searches.
D. SOSL is faster for tent searches.

Answer: A,D

NEW QUESTION # 20
What should be used to create scratch orgs?

A. Workbench
B. Developer Console
C. Sandbox refresh
D. Salesforce CLI

Answer: D

NEW QUESTION # 21
A developer needs to prevent the creation of Request_c records when certain conditions exist in the system. A RequestLogic class exists to checks the conditions. What is the correct implementation?

A. Trigger RequestTrigger on Request (before insert) {
if (RequestLogic.isvalid{Request})
Request.addError {'Your request cannot be created at this time.'};
}
B. Trigger RequestTrigger on Request (before insert) {
RequestLogic.validateRecords {trigger.new};
}
C. Trigger RequestTrigger on Request (after insert) {
if (RequestLogic.isValid{Request})
Request.addError {'Your request cannot be created at this time.'};
}
D. Trigger RequestTrigger on Request (after insert) {
RequestLogic.validateRecords {trigger.new};
}

Answer: B

NEW QUESTION # 22
When using SalesforceDX, what does a developer need to enable to create and manage scratch orgs?

A. Environment Hub
B. Sandbox
C. Production
D. Dev Hub

Answer: D

Explanation:
https://developer.salesforce.com/docs/atlas.en-us.sfdx_dev.meta/sfdx_dev/sfdx_dev_scratch_orgs.htm When using SalesforceDX, a developer needs to enable Dev Hub in order to create and manage scratch orgs. A Dev Hub is a special type of org used by developers to store source code and other development-related artifacts. It is also used to create and manage scratch orgs, which are temporary orgs used for development and testing. Reference: https://developer.salesforce.com/docs/atlas.en-us.sfdx_dev.meta/sfdx_dev/sfdx_dev_intro.htm

NEW QUESTION # 23
A developer writes a trigger on the Account object on the before update event that increments a count field. A workflow rule also increments the count field every time that an Account is created or update. The field update in the workflow rule is configured to not re-evaluate workflow rules. What is the value of the count field if an Account is inserted with an initial value of zero, assuming no other automation logic is implemented on the Account?