CRT-450 STUDY MATERIALS, LATEST CRT-450 DUMPS PDF

CRT-450 Study Materials, Latest CRT-450 Dumps Pdf

CRT-450 Study Materials, Latest CRT-450 Dumps Pdf

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Tags: CRT-450 Study Materials, Latest CRT-450 Dumps Pdf, CRT-450 Reliable Test Topics, New Soft CRT-450 Simulations, CRT-450 Valid Dumps Sheet

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The Salesforce CRT-450 exam consists of 60 multiple-choice questions that must be completed within 105 minutes. The questions are designed to test the candidate's knowledge and understanding of the Salesforce platform, including Apex programming language, Visualforce framework, and the Salesforce development process. CRT-450 Exam also covers the use of the Salesforce development tools, such as Developer Console and Force.com IDE.

Salesforce Certified Platform Developer I Sample Questions (Q165-Q170):

NEW QUESTION # 165
A developer has identified 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 ensure transaction control and avoid exceeding governor limits'* Choose 2 answers

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

Answer: A,C

Explanation:
B: Using partial DML statements (e.g.,Database.insert(list, false)) allows only valid records to be committed while identifying invalid ones, avoiding runtime errors.
D: TheDatabase.Savepointmethod ensures transactional control by allowing rollback to a specific savepoint if an error occurs.
Why not other options?
A: The@ReadOnlyannotation is for read-only operations and would not allow DML operations.
C: TheSystem.Limitclass helps monitor limits but does not directly control transaction behavior.
Best Practices for Apex Transactions


NEW QUESTION # 166
A developer needs to provide a way to mass edit, update, and delete records from a list view. In which two ways can this be accomplished? Choose 2 answers

  • A. Download an unmanaged package from the AppExchange that provide customizable mass edit, update, and delete functionality.
  • B. Configure the user interface and enable both inline editing and enhanced lists.
  • C. Download a managed package from the AppExchange that provides customizable Enhanced List Views and buttons
  • D. Create a new Visualforce page and Apex Controller for the list view that provides mass edit, update and delete functionality.

Answer: A,D


NEW QUESTION # 167
How should a developer create a new custom exception class?

  • A. public class CustomException implements Exception{}
  • B. (Exception)CustomException ex = new Exception();
  • C. public class CustomException extends Exception{}
  • D. CustomException ex = new (CustomException)Exception();

Answer: C


NEW QUESTION # 168
A software company uses the following objects and relationships:
* Case: to handle customer support issues
* Defect__c: a custom object to represent known issues with the company's software
* Case_Defect__c: a junction object between Case and Defect__c to represent that a defect is a cause of a customer issue Case and Defect__c have Private organization-wide defaults.
What should be done to share a specific Case_Defect__c record with a user?

  • A. Share the Case_Defect_c record.
  • B. Share the parent Case and Defect_c records.
  • C. Share the parent Case record.
  • D. share the parent Defect__c record.

Answer: B

Explanation:
Since Case and Defect__c have Private organization-wide defaults (OWD), users need explicit access to the parent records to access the child records in a master-detail or junction object relationship.
The Case_Defect__c is a junction object between Case and Defect__c.
Option C: Share the parent Case and Defect__c records.
Correct Answer.
To access a record on a junction object (Case_Defect__c), a user must have access to both parent records.
Sharing both the Case and Defect__c records with the user will grant them access to the Case_Defect__c record.
Sharing only the Defect__c record is not enough; access to the Case is also required.
Option B: Share the parent Case record.
Insufficient.
Option D: Share the Case_Defect__c record.
*Not Possible Directly.
Sharing rules cannot be applied directly to junction object records in a master-detail relationship.
Access is controlled through the parent records.
Conclusion:
To share a specific Case_Defect__c record with a user, you need to share both the parent Case and Defect__c records, which is Option C.
Reference:
Sharing Considerations for Junction Objects
Sharing Behavior
Incorrect Options:
Option A: Share the parent Defect__c record.
Insufficient.


NEW QUESTION # 169
Which two statements accurately represent the MVC framework implementation in Salesforce? Choose 2 answers

  • A. Validation rules enforce business rules and represent the Controller (C) part of the MVC framework
  • B. Triggers that create records represent the Model (M) part of the MVC framework.
  • C. Lightning component HTML files represent the Model (M) part of the MVC framework.
  • D. Standard and Custom objects used in the app schema represent the View (V) part of the MVC framework

Answer: A,B


NEW QUESTION # 170
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