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Salesforce CRT-450 exam is designed to test the knowledge and skills of candidates who want to become certified Salesforce Platform Developers. Salesforce Certified Platform Developer I certification exam is the first step towards becoming a professional Salesforce developer. CRT-450 Exam focuses on the development of custom applications and the implementation of business logic using Apex and Visualforce. The CRT-450 exam covers a wide range of topics such as Apex language, Visualforce framework, database modeling, data management, and testing techniques. Passing CRT-450 exam not only validates the skills of the candidate but also demonstrates their commitment to excellence in the Salesforce development field.

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Salesforce Certified Platform Developer I Sample Questions (Q162-Q167):

NEW QUESTION # 162
A developer wants to get access to the standard price book in the org while writing a test class that covers an OpportunityLineltem trigger.
Which method allows access to the price book?

A. Use @Testvisible to allow the test method to see the standard price book.
B. Use Test .getStandardPricebookid() to get the standard price book ID.
C. Use @isTest [SeeAllData=true| and delete the existing standard price book.
D. Use Test. loadData () and a static resource to load a standard price book.

Answer: B

Explanation:
When writing test classes, accessing the Standard Price Book is essential for creatingOpportunityLineItemrecords.
The methodTest.getStandardPricebookId()is specifically designed to retrieve the Standard Price Book ID in a test class context. This ensures you can work with the price book without requiring@isTest(SeeAllData=true).
Why not other options?
B:@isTest(SeeAllData=true)is not recommended because it violates Salesforce best practices by accessing actual org data.
C:@TestVisibleis used for visibility between classes but does not relate to retrieving Standard Price Book.
D:Test.loadData()loads test data from static resources but is unnecessary for accessing the Standard Price Book.
Salesforce Testing Framework
Apex Testing Best Practices

NEW QUESTION # 163
Refer to the code snippet below:

When a Lightning web component is rendered, a list of apportunities that match certain criteria shopuld be retrievved from the database and displayed to the end user.
Which three Considerations must the developer implement to make the method available within the Lightning

web component?
Choose 3 answer

A. The method must specify the (cacheable-trun) attribute
B. The method cannot mutate the result set retrieved from the database.
C. The method must specify the (continuation-true) attribute
D. The method must be annotaled with true Invocablemethod annolation
E. The method must be annotated with the AureEnabled annolation

Answer: A,B,E

Explanation:
To make an Apex method available to a Lightning web component, the developer must follow these considerations1:
* The method must be annotated with the @AuraEnabled annotation, which enables client-side access to the method.
* The method must be either static or part of a global class, and it must be public or global.
* The method must specify the cacheable=true attribute if it only gets data, which enables the method to be invoked at component initialization and improves performance by reducing server round trips.
* The method cannot mutate the result set retrieved from the database, which means it cannot modify, insert, or delete any records. This ensures that the method is idempotent and can be cached safely.
* The method cannot use the @InvocableMethod annotation, which is reserved for methods that are exposed as actions in flows or processes. References:
* 1: Call Apex Methods

NEW QUESTION # 164
Universal Containers wants to assess the advantages of declarative development versus programmatic customization for specific use cases in its Salesforce implementation.
What are two characteristics of declarative development over programmatic customization? Choose 2 answers

A. Declarative code logic does not require maintenance or review.
B. Declarative development can be done using the setup menu.
C. Declarative development does not require Apex test classes.
D. Declarative development has higher design limits and query limits.

Answer: B,C

Explanation:
Declarative development is the process of configuring and customizing the Salesforce platform using its built-in tools, such as the setup menu, without writing any code. Declarative development has the following advantages over programmatic customization, which involves writing custom code using Apex, Visualforce, or other languages:
* Declarative development can be done by anyone who knows how to use the Salesforce user interface, without requiring any programming knowledge or skills. Programmatic customization requires a skilled developer who knows how to write, test, and debug code.
* Declarative development does not require Apex test classes, which are mandatory for deploying any custom code to production. Apex test classes are used to verify the functionality and quality of the code, and to ensure that it meets the code coverage requirement of at least 75%. Declarative development does not have this requirement, as the platform automatically validates the configuration and customization.
* Declarative development is faster and easier to implement, as it involves clicking and dragging components, setting properties, and defining rules. Programmatic customization is more time-consuming and complex, as it involves writing lines of code, using development tools, and following coding standards and best practices.
However, declarative development also has some limitations and disadvantages compared to programmatic customization, such as:
* Declarative development has lower design limits and query limits than programmatic customization.
Design limits are the maximum number of components, fields, objects, rules, etc. that can be used in a Salesforce org. Query limits are the maximum number of records that can be retrieved or manipulated in a single transaction. Programmatic customization can bypass some of these limits by using techniques such as dynamic SOQL, batch Apex, or asynchronous Apex.
* Declarative development has less flexibility and control over the functionality and user interface than programmatic customization. Programmatic customization can create custom logic, automation, integration, and user interface that are not possible or supported by the declarative tools. For example, programmatic customization can use Apex triggers to execute logic before or after a record is inserted, updated, deleted, or undeleted, while declarative development can only use workflow rules or process builder to execute logic after a record is created or updated.
* Declarative development can become difficult to maintain and troubleshoot as the complexity and number of components, rules, and dependencies increase. Programmatic customization can be more organized and modular, as it can use classes, methods, variables, comments, and annotations to structure and document the code.
Therefore, the best practice is to use a combination of declarative and programmatic development, depending on the use case and the requirements. The general rule of thumb is to use declarative development whenever possible, and use programmatic customization only when necessary or when it provides significant benefits.
References:
* Programmatic vs Declarative: Are Clicks Better Than Code?
* Clicks Not Code: Benefits of Declarative Vs. Imperative Programming
* Review Developer Fundamentals Unit

NEW QUESTION # 165
A developer needs to create a Visualforce page that displays Case data. The page will be used by both support reps and support managers. The Support Rep profile does not allow visibility of the Customer_Satisfaction__c field, but the Support Manager profile does.
How can the developer create the page to enforce Field Level Security and keep future maintenance to a minimum?

A. Use a new Support Manager permission set.
B. Create a separate Visualforce Page for each profile.
C. Use a custom controller that has the with sharingkeywords.
D. Create one Visualforce Page for use by both profiles.

Answer: C

Explanation:
Explanation/Reference:

NEW QUESTION # 166
What are two correct examples of the model in the salesforce MVC architecture? Choose 2 answers.

A. Standard account lookup on the contract object
B. Custom field on the custom wizard_c object
C. Standard lightning component
D. Workflow rule on the contact object

Answer: C,D

NEW QUESTION # 167
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