Pass Your Salesforce CRT-450 Exam with Correct 171 Questions and Answers
Latest [Jan 29, 2024] 2024 Realistic Verified CRT-450 Dumps
Salesforce CRT-450 certification exam is an essential credential for developers who want to pursue a career in Salesforce development. Salesforce Certified Platform Developer I certification demonstrates that the candidate has the skills and knowledge necessary to design and develop custom applications on the Salesforce platform. It also provides a competitive edge in the job market and opens up new career opportunities. Furthermore, becoming a certified Salesforce developer is a great way to showcase your expertise and commitment to your profession.
Salesforce CRT-450 exam is a challenging test that requires extensive knowledge and hands-on experience with the Salesforce platform. Developers who are preparing for the exam should have a deep understanding of the Salesforce platform, including its features, capabilities, and limits. They should also have experience with Apex programming, Visualforce development, and data modeling. Additionally, developers should have experience working with Salesforce tools, such as the Developer Console, the Force.com IDE, and the Lightning Experience.
NEW QUESTION # 57
Which Apex collection is used to ensure that all values are unique?
- A. A List
- B. A Set
- C. An Enum
- D. An sObject
Answer: B
NEW QUESTION # 58
A developer needs to avoid potential system problems that can arise in a multi-tenant architecture.
Which requirement helps prevent poorty written applications from being deployed to a production environment?
- A. SOQL queries must reference sObActs with their appropriate namespace.
- B. Unit tests must cover at least 75% of the application's Apex code
- C. All Apex code must be annotated with the with sharing keyword.
- D. All validation rules must be active before they can be deployed.
Answer: B
NEW QUESTION # 59
What is a characteristic of the Lightning Component Framework? Choose 2 answers:
- A. It works with existing Visualforce pages.
- B. It uses XML as its data format.
- C. It has an event-driven architecture.
- D. It includes responsive components.
Answer: C,D
NEW QUESTION # 60
Which Salesforce feature allows a developer to see when a user last logged in to Salesforce if real-time notification is not required?
- A. Event Monitoring Log
- B. Developer Log
- C. Calendar Events
- D. Asynchronous Data Capture Events
Answer: A
NEW QUESTION # 61
Which statement is true about developing in a multi-tenant environment?
- A. Apex sharing controls access to records fomr multiple tenants on the same instance
- B. Org-level data security controls which users can see data from multiple tenants on the same instance
- C. Governor limits prevent apex from impactiong the performance of multiple tenants on the same instance
- D. Global apex classes can be referenced from multiple tenants on the same instance
Answer: C
NEW QUESTION # 62
What is the preferred way to reference web content such as images, style sheets, JavaScript, and other libraries that is used in Visualforce pages?
- A. By uploading the content in the Documents tab.
- B. By accessing the content from Chatter Files.
- C. By uploading the content as a Static Resource.
- D. By accessing the content from a third -party CON.
Answer: C
NEW QUESTION # 63
Why would a developer use Test. startTest( ) and Test.stopTest( )?
- A. To indicate test code so that it does not Impact Apex line count governor limits.
- B. To avoid Apex code coverage requirements for the code between these lines
- C. To start and stop anonymous block execution when executing anonymous Apex code
- D. To create an additional set of governor limits during the execution of a single test class.
Answer: D
NEW QUESTION # 64
When the number of record in a recordset is unknown, which control statement should a developer use to implement a set of code that executes for every record in the recordset, without performing a .size() or .length() method call?
- A. Do { } While (Condition)
- B. For (init_stmt, exit_condition; increment_stmt) { }
- C. For (variable : list_or_set) { }
- D. While (Condition) { ... }
Answer: C
NEW QUESTION # 65
What should a developer do to check the code coverage of a class after running all tests?
- A. View the code coverage percentage or the class using the Overalll code Coverage panel in the Developer Console Test tab.
- B. View the Class test Percentage tab on the Apex Class list view in Salesforce Setup.
- C. Select and run the class on the Apex est Execution page in the Developer Console.
- D. View the Code Coverage column in the list on the Apex Classes page.
Answer: A
NEW QUESTION # 66
Which three resources in a Lightning Component Bundle can contain JavaScript functions? Choose 3
- A. Renderer
- B. Style
- C. Helper
- D. Design
- E. Controller
Answer: A,C,E
NEW QUESTION # 67
A developer uses a loop to check each Contact in a list. When a Contact with the Title of 'Boss' is found, the Apex method should jump to the first line of code outside of the for loop.
Which Apex solution will let the developer implement this requirement?
- A. break;
- B. continue;
- C. System.assert(false);
- D. return;
Answer: A
NEW QUESTION # 68
An org has two custom objects:
* Plan_c, that has a master-detail relationship to the Account object.
* Plan_item_c, that has a master-detail relationship to the plan_C object.
What should a developer use to create a Visualforce section in the Account page layout that displays all of the plan.. Account and all of the Plan_item_c records related to those plan_c records.
- A. A custom controller by itself
- B. A controller extension with a custom controller
- C. A standard controller with a controller extension
- D. A standard controller with a custom controller
Answer: C
NEW QUESTION # 69
As a part of class implementation a developer must execute a SOQL query against a large data ser based on the contact object. The method implementation is as follows.
Which two methods are best practice to implement heap size control for the above code? (Choose 2 Answers)
- A. Use the FOR UPDATE option on the SOQL query to lock down the records retrieved.
- B. Use WHERE clauses on the SOQL query to reduce the number of records retrieved.
- C. Use a SOQL FOR loop, to chunk the result set in batches of 200 records.
- D. Use visual keyword when declaring the retrieve variable.
Answer: C,D
NEW QUESTION # 70
When a Task is created for a Contact, how can a developer prevent the task from being included on the Activity Timeline of the Contact's Account record?
- A. Use Process Builder to create a process to set the Task Account field to blank.
- B. By default, tasks do not display on the Account Activity Timeline.
- C. Create a Task trigger to set the Account field to NULL.
- D. In Activity Setting, uncheck Roll up activities to a contact's primary account.
Answer: D
Explanation:
Explanation/Reference:
NEW QUESTION # 71
Which is a valid apex assignment?
- A. Integer = 5,0
- B. Double x = 5
- C. Integer x=5 * 1,0
- D. Float x = 5.0
Answer: B
NEW QUESTION # 72
In terms of the MVC paradigm, what are two advantages of implementing the layer of a Salesforce application using Aura Component-based development over Visualforce? Choose 2 answers
- A. Self-contained and reusable units of an application (Missed)
- B. Server-side run-time debugging
- C. Rich component ecosystem (Missed)
- D. Automatic code generation
Answer: A,C
NEW QUESTION # 73
A developer needs to confirm that a Contact trigger works correctly without changing the organization's data.
What should the developer do to test the Contact trigger?
- A. Use Deploy from the VSCode IDE to deploy an 'Insert Contact' Apex class.
- B. Use the Test menu on the Developer Console to run all test classes for the Contact trigger.
- C. Use the New button on the Salesforce Contacts Tab to create a new Contact record.
- D. Use the Open Execute Anonymous feature on the Developer Console to run an 'Insert Contact' DML statement.
Answer: B
NEW QUESTION # 74
Assuming that naze is 8 String obtained by an <apex:inpotText> tag on 8 Visualforce page, which two SOQL queries performed are safe from SOQL injection?
'Choose 2 answers
- A.
- B.
- C.
- D.
Answer: A,C
NEW QUESTION # 75
A developer needs to implement a custom SOAP Web Service that is used by an external Web Application. The developer chooses to Include helper methods that are not used by the Web Application In the Implementation of the Web Service Class.
Which code segment shows the correct declaration of the class and methods?
A)
B)
C)
D)
- A. Option B
- B. Option A
- C. Option D
- D. Option C
Answer: D
NEW QUESTION # 76
A developer wants to store a description of a product that can be entered on separate lines by a user during product setup and later displayed on a Visualforce page for shoppers.
Which field type should the developer choose to ensure that the description will be searchable in the custom Apex SOQL queries that are written?
- A. Text Area
- B. Text Area (Rich)
- C. Text
- D. Text Area (Long)
Answer: A
NEW QUESTION # 77
A developer has an integer variable called maxAttempts. The developer needs to ensure that once maxAttempts is initialized, it preserves its value for the length of the Apex transaction; while being able to share the variable's state between trigger executions.
How should the developer declare maxAttempts to meet these requirements?
- A. Declare maxAttempts as a variable on a helper class.
- B. Declare maxAttempts as a private static variable on a helper class.
- C. Declare maxAttempts as a constant using the static and final keywords.
- D. Declare maxAttempts as a member variable on the trigger definition.
Answer: C
NEW QUESTION # 78
What are the supported content sources for custom buttons and links? (Choose 2 Answers)
- A. VisualForce Page.
- B. Static Resource.
- C. Chatter File.
- D. URL.
- E. Lightning Page.
Answer: A,D
NEW QUESTION # 79
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