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Salesforce CRT-450 certification exam covers a broad range of topics, including Apex syntax and development, debugging and testing, Visualforce pages and components, security and data access, and so on. CRT-450 exam is designed to assess the developer's ability to design, build, and deploy custom applications that are scalable, maintainable, and secure. CRT-450 Exam is administered online and consists of 60 multiple-choice questions to be completed within 105 minutes. Candidates must score at least 65% to pass the exam and earn the certification.
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Salesforce CRT-450 Exam is a must-have certification for anyone who wants to become a successful Salesforce developer. Salesforce Certified Platform Developer I certification validates your skills in developing custom applications on the Salesforce platform, including designing and implementing custom objects, workflows, and validation rules. Salesforce Certified Platform Developer I Sample Questions (Q177-Q182):NEW QUESTION # 177
Universal Containers wants a list button to display a Visualforce page that allows users to edit multiple records.
Which Visualforce feature supports this requirement?
NEW QUESTION # 178
custom picklist field, Food_Preference__c, exist on a custom object. The picklist contains the following options: 'Vegan','Kosher','No Preference'. The developer must ensure a value is populated every time a record is created or updated. What is the most efficient way to ensure a value is selected every time a record is saved?
A. Set "Use the first value in the list as the default value" as True.
B. Set a validation rule to enforce a value is selected.
C. Mark the field as Required on the field definition.
D. Mark the field as Required on the object's page layout.
Answer: C
NEW QUESTION # 179
A visualforce interface is created for Case Management that includes both standard and custom functionality defined in an Apex class called myControllerExtension. The visualforce page should include which
<apex:page> attribute(s) to correctly implement controller functionality?
A. Controller=" myControllerExtension"
B. Controller = "case" and extensions =" myControllerExtension"
C. StandardController = "case" and extensions =" myControllerExtension"
D. Extensions=" myControllerExtension"
Answer: C
NEW QUESTION # 180
A developer wrote Apex code that calls out to an external system.
How should a developer write the test to provide test coverage?
A. Write a class that extends WebserviceMock.
B. Write a class that implements the HTTPCalloutMockinterface.
C. Write a class that extends HTTPCalloutMock.
D. Write a class that implements the WebserviceMockinterface.
Answer: B
NEW QUESTION # 181
The Sales Management team hires a new intern. The intern is not allowed to view Opportunities, but needs to see the Most Recent Closed Date of all child Opportunities when viewing an Account record. What would a developer do to meet this requirement?
A. Create a trigger on the Account object that queries the Close Date of the most recent Opportunities.
B. Create a Workflow rule on the Opportunity object that updates a field on the parent Account.
C. Create a formula field on the Account object that performs a MAX on the Opportunity Close Date field.
D. Create a roll-up summary field on the Account object that performs a MAX on the Opportunity Close Date field.
