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Salesforce CRT-450 exam measures a candidate's knowledge and skills in various areas of Salesforce development, including Apex programming, Visualforce, data modeling, and integration. CRT-450 exam consists of 60 multiple-choice questions and has a time limit of 105 minutes. Candidates must achieve a passing score of 68% or higher to earn the certification.
Salesforce CRT-450 exam covers a wide range of topics related to the Salesforce platform, including Apex programming language, Salesforce data model, Salesforce security model, and Salesforce Lightning components. CRT-450 Exam is designed to test your ability to develop custom applications on the Salesforce platform using best practices and industry standards. CRT-450 exam consists of 60 multiple-choice questions and you have 105 minutes to complete the exam. To pass the exam, you need to score at least 65%. Successful completion of CRT-450 exam leads to the Salesforce Certified Platform Developer I certification, which is widely recognized in the industry and can help you stand out in the job market.
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To prepare for the Salesforce CRT-450 Exam, candidates should have a solid understanding of object-oriented programming concepts, as well as experience in developing applications using Apex and Visualforce. They should also be familiar with the Salesforce platform architecture and data modeling, and have a good understanding of how to secure Salesforce applications.
NEW QUESTION # 239
Universal Containers recently transitioned from Classic to Lightning Experience.
One of its business processes requires certain values from the Opportunity cbject to be sent via an HTTP REST callout to its external order management system when the user presses a custom button on the Opportunity detail page. Example values are as follows:
* Name
* Amount
* Account
Which two methods should the developer implement to fulfill the business requirement?
Choose 2 answers
Answer: A,D
Explanation:
To send Opportunity values via an HTTP REST callout when a user presses a custom button in Lightning Experience:
Option B: Create a custom Visualforce quick action
A Visualforce page with a custom controller can perform the callout.
The Visualforce page can be added as a quick action on the Opportunity page.
A Lightning component can perform the callout when invoked.
The component can be added to the Opportunity page as a quick action.
Reference:
"You can use Visualforce to create custom quick actions."
- Salesforce Help: Quick Actions
Option C: Create a Lightning component quick action
"Use Lightning components to create custom actions that can be added to Lightning Experience and the Salesforce mobile app."
- Salesforce Help: Lightning Component Actions
Why Other Options Are Incorrect:
Option A:
Remote Actions are used in Visualforce for client-side calls and are not applicable here.
Performing the callout whenever the Opportunity is updated does not meet the requirement of initiating the action via a button click.
Option D:
An after-update trigger would execute on every update, not just when the user presses a button.
Using @future methods may not execute immediately and can't be invoked directly by the user action.
NEW QUESTION # 240 
When the code executes, a DML exception is thrown.
How should a developer modify the code to ensure exceptions are handled gracefully?
Answer: A
Explanation:
This is because when a DML exception is thrown, it means that the operation failed due to some error, such as a validation rule, a trigger, or a governor limit. If the exception is not handled, it will cause the entire transaction to roll back and display an unhandled exception message to the user. To handle exceptions gracefully, the developer should use a try/catch block to catch the exception and handle it in a way that does not disrupt the user experience, such as logging the error, displaying a custom message, or retrying the operation. References: The use of try/catch blocks for handling exceptions is covered under Apex basics on Trailhead1. You can also find more information on DML exceptions and how to handle them in the Apex Developer Guide2.
NEW QUESTION # 241
A development team wants to use a deployment script lo automatically deploy lo a sandbox during their development cycles.
Which two tools can they use to run a script that deploys to a sandbox?
Choose 2 answers
Answer: B,D
NEW QUESTION # 242
What is a valid statement about Apex classes and interfaces? Choose 2 answers:
Answer: A,D
NEW QUESTION # 243
Cloud Kicks Fitness, an ISV Salesforce partner, is developing a managed package application. One of the application modules allows the user to calculate body fat using the Apex class, Bodyfat, and its method, calculateBodyFat (). The product owner wants to ensure this method is accessible by the consumer of the application when developing customizations outside the ISV's package namespace.
Which approach should a developer take to ensure calculateBodyFat () is accessible outside the package namespace?
Answer: D
Explanation:
Global Access Modifier:
When building managed packages, methods and classes that need to be accessible outside the package namespace must be declaredglobal.
Publicrestricts access to within the namespace.
Why Not Other Options?
B:Publiclimits access to within the namespace.
CandD: Mixingpublicandglobalincorrectly doesn't meet the requirement for external accessibility.
References:Managed Packages and Global Access:https://developer.salesforce.com/docs/atlas.en-us.apexcode.
meta/apexcode/apex_classes_access_modifiers.htm
NEW QUESTION # 244
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