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Salesforce CRT-450 certification is a valuable credential for developers who want to demonstrate their expertise in Salesforce development. With the right preparation and study materials, candidates can pass the exam and earn the certification, which can lead to numerous career opportunities and professional growth.

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Salesforce CRT-450 (Salesforce Certified Platform Developer I) Certification Exam is a globally recognized certification exam that validates the skills and knowledge of developers in building custom applications on the Salesforce platform. CRT-450 exam is designed to assess the skills required to develop and deploy custom business logic and interfaces using Apex and Visualforce, and to manage data and metadata on the Salesforce platform. Salesforce Certified Platform Developer I certification is aimed at developers who have experience with the Salesforce platform, programming concepts and object-oriented programming languages such as Java, C#, and C++.

Salesforce Certified Platform Developer I Sample Questions (Q233-Q238):

NEW QUESTION # 233
What is a capability of formula fields? (Choose 3)

A. Generate a link using the HYPERLINK function to a specific record in a legacy system.
B. Determine if a datetime field has passed using the NOW function.
C. Return and display a field value from another object using the VLOOKUP function.
D. Determine which of three different images to display using the IF function.
E. Display the previous values for a field using the PRIORVALUE function.

Answer: A,B,D

NEW QUESTION # 234
Which statement should a developer avoid using inside procedural loops? (Choose 2)

A. Update contactList;
B. If(o.accountId == a.id)
C. List contacts = [SELECT Id, Salutation, FirstName, LastName, Email FROM Contact WHERE AccountId =
:a.Id];
D. System.debug('Amount of CPU time (in ms) used so far: ' + Limits.getCpuTime() );

Answer: A,C

NEW QUESTION # 235
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?

Answer: C

NEW QUESTION # 236
Given the following code snippet, that is part of a custom controller for a Visualforce page:

In which two ways can the try/catch be enclosed to enforce object and field-level permissions and prevent the DML statement from being executed if the current logged-in user does not have the appropriate level of access? Choose 2 answers

A. Use if (Schema, sobjectType, Contact, isUpdatable ( ) )
B. Use if (Schema , sobjectType. Contact. Field, Is_Active_c. is Updateable ( ) )
C. Use if (Schema.sObjectType.Contact.isAccessible ( ) )
D. Use if (thisContact.Owner = = UserInfo.getuserId ( ) )

Answer: A,B

Explanation:
A: if (Schema.sObjectType.Contact.isUpdatable()) - This checks if the Contact object is updatable for the current user. B. if (Schema.sObjectType.Contact.fields.Is_Active__c.isUpdateable()) - This checks if the Is_Active__c field on the Contact object is updatable for the current user.
These checks should be performed before executing DML statements to ensure that security is not bypassed.
C and D are incorrect because: C. It only checks if the Contact object is accessible, not whether it's updatable.
D: Checking ownership does not necessarily enforce field-level and object-level permissions.
References:
* Apex Developer Guide
* Trailhead: Data Security
I also noticed that you sent me an image along with your question. It seems to be a snippet of code written in Apex, which is used for Salesforce development. It shows a public method named updateContact that accepts a Contact object as a parameter. Inside this method, there's an assignment operation where Is_Active__c field of thisContact object is set to false. A try/catch block follows where an attempt to update thisContact record occurs within try; any exceptions caught during this process are handled in catch block. If an exception occurs during update operation, an error message string gets concatenated with exception's message and displayed using ApexPages.addmessage.
If you are looking for more resources to study for the Platform Developer I exam, you can check out the following links from my web search results:
* Free Salesforce Platform Developer 1 Practice Exam (With Answers): This is a website that offers
60-question practice exam with answers and explanations, written by a Salesforce Developer.
* SALESFORCE CERTIFIED PLATFORM DEVELOPER I: This is a PDF document that provides the exam guide, sample questions, and answers for the certification exam.
* Salesforce Platform Platform Developer I Exams - Courses: This is a website that offers 4 full-length practice exams with 60 questions each, written by a Salesforce Developer

NEW QUESTION # 237
A developer has to Identify a method in an Apex class that performs resource intensive actions in memory by iterating over the result set of a SOQL statement on the account. The method also performs a DML statement to save the changes to the database. Which two techniques should the developer implement as a best practice to esure transaction control and avoid exceeding governor limits? Choose
2 answers

A. Use the Database.Savepoint method to enforce database integrity. (Missed)
B. Use Partial DML statements to ensure only valid data is committed.
C. Use the System.Limit class to monitor the current CPU governor limit consuption. (Missed)
D. Use the @ReadOnly annotation to bypass the number of rows returned by a SOQL.

Answer: A,C

NEW QUESTION # 238
......

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Salesforce Certified Platform Developer I Sample Questions (Q233-Q238):

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