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Salesforce CRT-450 Exam Overview:

Certification Vendor:	Salesforce
Exam Name:	Salesforce Certified Platform Developer I
Exam Number:	CRT-450
Exam Price:	$200 USD
Exam Duration:	105 minutes
Real Exam Qty:	60-65
Available Languages:	German, Spanish, English, French, Japanese
Passing Score:	68%
Certificate Validity Period:	2 years
Exam Format:	Multiple-select, Multiple-choice
Related Certifications:	Salesforce Certified Platform Developer II
Recommended Training:	Trailhead Platform Developer I Trailmix Platform Developer I Certification Study Guide
Exam Registration:	Salesforce Certification Registration
Sample Questions:	Salesforce CRT-450 Sample Questions
Exam Way:	Online proctored or onsite at authorized testing centers
Pre Condition:	No mandatory prerequisites; recommended hands-on experience building custom applications on the Lightning Platform
Official Syllabus URL:	https://trailhead.salesforce.com/credentials/platform-developer-i

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Salesforce CRT-450, also known as Salesforce Certified Platform Developer I, is a certification exam designed for professionals who want to showcase their skills and knowledge in building custom applications on the Salesforce platform. Salesforce Certified Platform Developer I certification is intended for developers who are already familiar with the Salesforce platform and have experience building custom applications using Apex and Visualforce.

Salesforce CRT-450 is a globally recognized certification exam for developers who want to validate their skills in developing and deploying custom applications on the Salesforce platform. The Salesforce Certified Platform Developer I certification is the first step in the Salesforce developer certification track and is designed for individuals with knowledge of basic programming concepts and experience in developing applications using a programming language.

Salesforce CRT-450 Certification Exam is a valuable credential for professionals who want to become certified Salesforce developers. CRT-450 exam covers a wide range of topics related to Salesforce development, and passing the exam demonstrates the candidate's proficiency in developing custom applications on the Salesforce platform. Salesforce Certified Platform Developer I certification can help professionals enhance their careers and improve their earning potential.

Salesforce Certified Platform Developer I Sample Questions (Q215-Q220):

NEW QUESTION # 215
An Approval Process is defined in the Expense_Item__c. A business rule dictates that whenever a user changes the Status to 'Submitted' on an Expense_Report__c record, all the Expense_Item__c records related to the expense report must enter the approval process individually. Which approach should be used to ensure the business requirement is met?

A. Create a Process Builder on Expense_Report__c to mark the related Expense_Item__c as submittable and trigger on Expense_item__c to submit the records for approval.
B. Create a Process Builder on Expense_Report__c with a 'Submit for Approval' action type to submit all related Expense_Item__c records when the criteria is met.
C. Create a Process Builder on Expense_Report__c with an 'Apex' action type to submit all related Expense_Item__c records when the criteria is met.
D. Create two Process Builder, one on Expense_Report__c to mark the related Expense_Item__c as submittable and the second on Expense_Item__c to submit the records for approval.

Answer: D

NEW QUESTION # 216
Which one do you like?
What should a developer consider for an environment that has over 10,000 Case records?

A. The transaction will succeed and changes will be committed.
B. The try/catch block will handle exceptions thrown by governor limits.
C. The transaction will fail due to exceeding the governor limit.
D. The try/catch block will handle any DML exceptions thrown.

Answer: C

NEW QUESTION # 217
What is the value of the Trigger.old context variable in a before insert trigger?

A. An empty list of sObjects
B. Undefined
C. null
D. A list of newly created sObjects without IDs

Answer: C

Explanation:
Trigger.old in a before insert trigger:
TheTrigger.oldcontext variable contains the old version of the records being processed in the trigger.
In abefore inserttrigger, the records being processed are new and have no prior state in the database, soTrigger.
oldisnull.
This behavior is specific to insert triggers because there is no "old" record to reference before the record is created.
Why is it null?
The Trigger.old variable is only populated for triggers that handle updates or deletions (e.g., before update, after update, before delete, after delete). For insert operations, no previous state of the record exists.
Why not the other options?
A: An empty list of sObjects:
This is incorrect because Trigger.old is not initialized as an empty list for insert triggers-it is simply null.
B: Undefined:
Trigger.old is defined in the trigger context, but it is null for insert operations. Undefined is not a valid Apex state.
D: A list of newly created sObjects without IDs:
This describes Trigger.new in abefore inserttrigger, not Trigger.old. Trigger.new contains the new records being inserted.
References:
Apex Triggers Documentation
Trigger Context Variables

NEW QUESTION # 218
Which two queries can a developer use in a Visualforce controller to protect against SOQL injection vulnerabilities? Choose 2 answers

A. String qryName = % +String.enforceSecurityChecks(name)+ % ;
String qryString = SELECT Id FROM Contact WHERE Name LIKE :qryNAme ;
List queryResults = Database.query(qryString);
B. String qryString = SELECT Id FROM Contact WHERE Name LIKE :qryNAme ; List queryResults = Database.query(qryString);
C. String qryName = % + String.escapeSingleQuotes(name)+ % ;
String qryString = SELECT Id FROM Contact WHERE Name LIKE :qryNAme ;
List queryResults = Database.query(qryString);
D. String qryName = % + name % ;
String qryString = SELECT Id FROM Contact WHERE Name LIKE:qryNAme ;
List queryResults = Database.query(qryString);

Answer: C,D

NEW QUESTION # 219
Considering the following code snippet:

When the code executes a DML exception is thrown.
How should the developer modify the code to ensure exceptions are handled gracefully?

A. Implement the upsert DML statement.
B. Implement Change Data Capture
C. Implement a try/catch block for the DML.
D. Remove null items from the list if Accounts.

Answer: C

NEW QUESTION # 220
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