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Salesforce CRT-450 exam comprises 60 multiple-choice questions, and candidates have 105 minutes to complete the test. CRT-450 exam is conducted online and is proctored, ensuring the integrity of the certification process. The passing score for the CRT-450 exam is 63%, and candidates who pass the exam receive the Salesforce Certified Platform Developer I certification.

Salesforce CRT-450 (Salesforce Certified Platform Developer I) exam is designed to test the skills and knowledge of developers who are responsible for developing custom applications on the Salesforce platform. CRT-450 Exam is one of the most popular Salesforce certifications and is considered as the foundation for other Salesforce certifications. Salesforce Certified Platform Developer I certification exam is intended for developers with at least six months of experience in developing applications on the Salesforce platform.

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To prepare for the Salesforce CRT-450 exam, candidates should have a solid understanding of the Salesforce platform and its various features. They should also have experience with Apex programming, data modeling, user interface customization, and security. There are a variety of study materials available, including online courses, practice exams, and study guides. Candidates should also consider attending training sessions or working with a mentor to help them prepare for the exam. With the right preparation, candidates can pass the Salesforce CRT-450 Exam and earn their certification as a Salesforce Certified Platform Developer I.

Salesforce Certified Platform Developer I Sample Questions (Q36-Q41):

NEW QUESTION # 36
A platform developer needs to implement a declarative solution that will display the most recent closed won date for all opportunity records associated with an account. Which field is required to achieve this declaratively?

A. Roll-up summary field on the opportunity object
B. Cross-object formula field on the opportunity object
C. Roll-up summary field on the account object
D. Cross-object formula field on the account object

Answer: C

NEW QUESTION # 37
The Job_Application__c custom object has a field that is a Master-Detail relationship to the Contact object, where the Contact object is the Master. As part of a feature implementation, a developer needs to retrieve a list containing all Contact records where the related Account Industry is 'Technology' while also retrieving the contact's Job_Application__c records.
Based on the object's relationships, what is the most efficient statement to retrieve the list of contacts?

A. [SELECT Id, (SELECT Id FROM Job_Application_c) FROM Contact WHERE
Account.Industry = 'Technology'];
B. [SELECT Id, (SELECT Id FROM Job_Applications_c) FROM Contact WHERE
Accounts.Industry = 'Technology'];
C. [SELECT Id, (SELECT Id FROM Job_Applications_r) FROM Contact WHERE
Account.Industry = 'Technology'];
D. [SELECT Id, (SELECT Id FROM Job_Applications_r) FROM Contact WHERE
Accounts.Industry = 'Technology'];

Answer: C

Explanation:
To query child records from a parent object, you need to use a subquery inside parentheses. The subquery should specify the fields to retrieve from the child object, and the relationship name to use. The parent object should be specified after the FROM clause, and any filter conditions on the parent object should be specified after the WHERE clause. In this case, the parent object is Contact, the child object is Job_Application__c, the relationship name is Job_Applications__r, and the filter condition is Account.Industry = 'Technology'.
The other options are incorrect because they use the wrong relationship name or syntax. Option B uses Accounts instead of Account, which is not a valid field on the Contact object. Option C uses Job_Applications_c instead of Job_Applications__r, which is not a valid relationship name. Option D uses Job_Application_c instead of Job_Applications__r, which is also not a valid relationship name. References:
* Trailhead: Write SOQL Queries
* Trailhead: Querying Data with SOQL
* Salesforce Developer Guide: Relationship Queries

NEW QUESTION # 38
A developer created a Visualforce page with a custom controller to show a list of accounts. The page uses the <apex:SelecList> component, with a variable called "selection", to show the valid values for Account.Type. The page uses an <apex:pageBlockTable> component to display the list of accounts, where the iteration variable is "acct". The developer wants to ensure that when a user selects a type on the <apex : selectList> component, only accounts with that type are shown on the page. What should the developer do to accomplish this?

A. Create multiple lists in the controller that represent the relevant accounts for each account type when the page loads, then reference the correct one dynamically on the pageBlockTable.
B. Add the Rendered={!Acct.type==selection} attribute to the pageBlockTable component
C. Create a component for each option and use a variable with hide parameter on the element.
D. Use the onChange event to update the list of accounts in the controller when the value changes, and then re-render the pageBlockTable.

Answer: D

NEW QUESTION # 39
Consider the following code snippet for a Visualforce page that is launched using a Custom Button on the Account detail page layout.

When the Save button is pressed the developer must perform a complex validation that involves multiple objects and, upon success, redirect the user to another Visualforce page.
What can the developer use to meet this business requirement?