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Salesforce CRT-450 Exam Overview:

Certification Vendor:	Salesforce
Exam Name:	Salesforce Certified Platform Developer I
Exam Number:	CRT-450
Exam Duration:	110 minutes
Exam Format:	Multiple Choice, Multiple Select
Available Languages:	Japanese, English
Exam Price:	USD 200
Related Certifications:	Salesforce Certified Platform Developer II
Real Exam Qty:	60
Passing Score:	65%
Sample Questions:	Salesforce CRT-450 Sample Questions
Exam Way:	Proctored exam delivered onsite at a testing center or in an online proctored environment
Pre Condition:	None required; course attendance highly recommended
Official Syllabus URL:	https://trailhead.salesforce.com/en/credentials/developeroverview

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To be eligible to take the Salesforce CRT-450 Certification Exam, candidates must have a solid understanding of Salesforce concepts, including data modeling and management, security, and user interfaces. Additionally, candidates should have experience with Apex programming and the ability to write code that is efficient, scalable, and maintainable. CRT-450 exam covers a broad range of topics, including data manipulation, SOQL and SOSL, Apex triggers and classes, Visualforce pages and controllers, and Lightning components. Passing the Salesforce CRT-450 Exam demonstrates that a developer has a strong foundation in Salesforce development and is capable of building custom applications that meet business requirements.

Salesforce Certified Platform Developer I Sample Questions (Q177-Q182):

NEW QUESTION # 177
A developer has a Visualforce page and custom controller to save Account records. The developer wants to display any validation rule violation to the user. How can the developer make sure that validation rule violations are displayed?

A. Perform the DML using the Database.upsert() method.
B. Add cuatom controller attributes to display the message.
C. Include <apex:message> on the Visualforce page.
D. Use a try/catch with a custom exception class.

Answer: C

Explanation:
To display any validation rule violation to the user, the developer needs to include the apex:message component on the Visualforce page. This component displays a custom message or an exception message, depending on the value of the id attribute. If the id attribute matches the id of another component on the page, such as an input field, the apex:message component displays the validation error for that component. If the id attribute is not specified, the apex:message component displays the first exception message generated by the controller. The developer can also use the apex:messages component to display all the messages for the page, not just the first one.
Option A is incorrect because adding custom controller attributes to display the message would require additional logic and coding in the controller and the Visualforce page. Option C is incorrect because using a try/catch with a custom exception class would not display the validation rule violation to the user, but rather handle the exception in the controller. Option D is incorrect because performing the DML using the Database.upsert() method would not display the validation rule violation to the user, but rather return a list of Database.SaveResult objects that contain the success or failure status of each record.
References: apex:message | Visualforce Developer Guide, ValidationRule | Metadata API Developer Guide, How to Display Validation Rule Errors in Visualforce Page

NEW QUESTION # 178
A developer is debugging the following code to determine why Accounts are not being created.
Account a = new Account(Name = 'A');
Database.insert(a, false);
How should the code be altered to help debug the issue?

A. Add a try/catch around the insert method.
B. Set the second insert method parameter to TRUE.
C. Collect the insert method return value in a SaveResult record.
D. Add a System.debug() statement before the insert method.

Answer: C

NEW QUESTION # 179
What are two use cases for executing Anonymous Apex code?
Choose 2 answers

A. To add unit test code coverage to an org
B. schedule an Apex class to run periodically
C. To delete 15,000 inactive Accounts in a single transaction after a deployment
D. To run a batch Apex class to update all Contacts

Answer: C,D

Explanation:
Anonymous Apex allows developers to execute ad hoc code snippets without creating a permanent class or trigger. It is useful for tasks like bulk data manipulation or testing.
B: Deleting 15,000 inactive Accounts:
Anonymous Apex can perform ad hoc bulk operations to clean up data after a deployment.
Example:
Use Cases:List<Account> inactiveAccounts = [SELECT Id FROM Account WHERE IsActive__c = false LIMIT 15000]; delete inactiveAccounts; C: Running a batch Apex class:
Anonymous Apex can execute batch jobs for data processing.
Example:
apex
Copy code
Database.executeBatch(new UpdateContactBatch());
A: Schedule an Apex class to run periodically: This requires a scheduled job, not Anonymous Apex.
D: Add unit test code coverage: Unit tests must be written in test classes and cannot be added using Anonymous Apex.
References:Anonymous Apex:https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_execute_anonymous.htm

NEW QUESTION # 180
A developer is migrating a Visualforce page into a Lightning web component.
The Visualforce page shows information about a single record. The developer decides to use Lightning Data Service to access record data.
Which security consideration should the developer be aware of?

A. Lightning Data Service handles sharing rules and field-level security.
B. The with sharing keyword must be used to enforce sharing rules.
C. The isAccessible () method must be used for field-level access checks.
D. Lightning Data Service ignores field-level security.

Answer: A

Explanation:
Why Lightning Data Service?
Enforces Salesforce's security model, including:
Sharing rules.
Field-level security (FLS).
This eliminates the need for additional manual security checks.
Why Not Other Options?
A: Incorrect, LDS enforces FLS.
B:with sharingapplies to Apex, not Lightning Data Service.
D:isAccessible()is unnecessary for LDS because it already enforces FLS.
References:Lightning Data Service:https://developer.salesforce.com/docs/atlas.en-us.lightning.meta/lightning
/data_service.htm

NEW QUESTION # 181
What are three considerations when using the @InvocableMethod annotation in Apex?
Choose 3 answers

A. A method using the @InvocableMethod annotation can be declared as Public or Global. (Missed)
B. Only one method using the @InvocableMethod annotqation can be defined per Apex class. (Missed)
C. A method using the @InvocableMethod annotation can have multiple input parameters.
D. A method using the @InvocableMethod annotation must be declared as static (Missed)
E. A method using the @InvocableMethod annotation must define a return value.

Answer: A,B,D

NEW QUESTION # 182
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