Salesforce Certified Platform Developer I Practice Test

CRT-450 Exam Format | Course Contents | Course Outline | Exam Syllabus | Exam Objectives

Course Outline: Salesforce CRT-450 Salesforce Certified Platform Developer I

I. Introduction to Salesforce Development
A. Overview of Salesforce platform
B. Introduction to Salesforce Developer Console
C. Understanding Salesforce development environment

II. Salesforce Data Model
A. Objects and Fields
B. Relationships and Junction Objects
C. Record Types and Page Layouts

III. Apex Programming Language
A. Apex syntax and fundamentals
B. Variables, data types, and expressions
C. Control flow statements and loops
D. Exception handling and debugging
E. DML operations and database methods

IV. SOQL and SOSL Queries
A. Basic and advanced SOQL queries
B. Relationship queries and nested queries
C. SOSL (Salesforce Object Search Language)

V. Apex Triggers
A. Trigger context variables and trigger events
B. Before and after triggers
C. Bulkification and best practices

VI. Apex Testing and Debugging
A. Unit testing with Apex
B. Testing best practices and code coverage
C. Debugging techniques and tools

VII. Lightning Components
A. Introduction to Lightning Web Components (LWC)
B. Component architecture and data binding
C. Component communication and event handling

VIII. Salesforce Security
A. User authentication and authorization
B. Profiles, roles, and permission sets
C. Sharing rules and record-level security

IX. Deployment and Version Control
A. Change sets and Salesforce DX
B. Version control with Git and Salesforce CLI
C. Deployment best practices

Exam Objectives:

Understand the Salesforce platform and development environment
Demonstrate knowledge of the Salesforce data model, including objects, fields, relationships, and record types
Write Apex code and understand its syntax, data types, control flow statements, and exception handling
Query Salesforce data using SOQL and SOSL
Develop and deploy Apex triggers, following best practices
Test and debug Apex code, ensuring proper code coverage
Build Lightning Components using Lightning Web Components (LWC)
Implement Salesforce security measures, including user authentication, authorization, and record-level security
Deploy changes using change sets, Salesforce DX, and version control with Git
Syllabus:
The syllabus for the Salesforce CRT-450 Salesforce Certified Platform Developer I course will cover the following topics:

Introduction to Salesforce Development
Salesforce Data Model
Apex Programming Language
SOQL and SOSL Queries
Apex Triggers
Apex Testing and Debugging
Lightning Components
Salesforce Security
Deployment and Version Control
The course will include lectures, hands-on exercises, and practical assignments to reinforce the concepts taught. Students will be expected to complete individual and group projects to apply their knowledge. The syllabus is designed to prepare students for the Salesforce Certified Platform Developer I exam by covering the exam objectives in detail.

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CRT-450
Salesforce Certified Platform Developer I
https://killexams.com/pass4sure/exam-detail/CRT-450
Question: 375
Which approach should be used to provide test data for a test class?
A. Query for existing records in the database.
B. Execute anonymous code blocks that create data.
C. Use a test data factory class to create test data.
D. Access data in @TestVisible class variables.
Answer: C
Question: 376
Which three declarative fields are correctly mapped to variable types in Apex? (Choose three.)
A. Number maps to Decimal.
B. Number maps to Integer.
C. TextArea maps to List of type String.
D. Date/Time maps to Dateline.
E. Checkbox maps to Boolean.
Answer: A,D,E
Question: 377
In a single record, a user selects multiple values from a multi-select picklist.
How are the selected values represented in Apex?
A. As a String with each value separated by a comma
B. As a Set with each value as an element in the set
C. As a String with each value separated by a semicolon
D. As a List with each value as an element in the list Previous
Answer: C
Question: 378
Which type of information is provided by the Checkpoints tab in the Developer Console? (Choose 2)
A. Namespace
B. Time
C. Exception
D. Debug Statement
Answer: A, B
Question: 379
Which resource can be included in a Lightning Component bundle? Choose 2 answers
A. Apex class
B. Adobe Flash
C. JavaScript
D. Documentation
Answer: C, D
Question: 380
For which three items can a trace flag be configured? (Choose three.)
A. Apex Trigger
B. Apex Class
C. Process Builder
D. User
E. Visualforce
Answer: A,B,D
Question: 381
A lead object has a custom field Prior_Email__c.
The following trigger is intended to copy the current Email into the Prior_Email__c field any time the Email field is
changed:
Which type of exception will this trigger cause?
A. A null reference exception
B. A compile time exception
C. A DML exception
D. A limit exception when doing a bulk update
Answer: C
Question: 382
A developer needs to test an Invoicing system integration. After reviewing the number of transactions required for the
test, the developer estimates that the test data will total about 2 GB of data storage. Production data is not required for
the integration testing.
Which two environments meet the requirements for testing? (Choose two.)
A. Developer Sandbox
B. Full Sandbox
C. Developer Edition
D. Partial Sandbox
E. Developer Pro Sandbox
Answer: B,D
Question: 383
A developer encounters APEX heap limit errors in a trigger.
Which two methods should the developer use to avoid this error? (Choose two.)
A. Use the transient keyword when declaring variables.
B. Query and store fields from the related object in a collection when updating related objects.
C. Remove or set collections to null after use.
D. Use SOQL for loops instead of assigning large queries results to a single collection and looping through the
collection.
Answer: A,D
Question: 384
Which set of roll-up types are available when creating a roll-up summary field?
A. COUNT, SUM, MIN, MAX
B. AVERAGE, SUM, MIN, MAX
C. SUM, MIN, MAX
D. AVRAGE, COUNT, SUM, MIN, MAX
Answer: A
Question: 385
A developer wrote a unit test to confirm that a custom exception works properly in a custom controller, but the test
failed due to an exception being thrown.
Which step should the developer take to resolve the issue and properly test the exception?
A. Use try/catch within the unit test to catch the exception.
B. Use the finally bloc within the unit test to populate the exception.
C. Use the database methods with all or none set to FALS
E. Use Test.isRunningTest() within the custom controller.
Answer: A
Question: 386
A developer executes the following query in Apex to retrieve a list of contacts for each account:
List accounts = [Select ID, Name, (Select ID, Name from Contacts) from Account] ;
Which two exceptions may occur when it executes? (Choose two.)
A. CPU limit exception due to the complexity of the query.
B. SOQL query row limit exception due to the number of contacts.
C. SOQL query limit exception due to the number of contacts.
D. SOQL query row limit exception due to the number of accounts.
Answer: C,D
Question: 387
How should a developer prevent a recursive trigger?
A. Use a one trigger per object pattern.
B. Use a static Boolean variable.
C. Use a trigger handler.
D. Use a private Boolean variable.
Answer: D
Question: 388
What is an accurate statement about variable scope? (Choose 3)
A. Parallel blocks can use the same variable name.
B. A variable can be defined at any point in a block.
C. Sub-blocks cannot reuse a parent blocks variable name.
D. Sub-blocks can reuse a parent blocks variable name if its value is null.
E. A static variable can restrict the scope to the current block of its value is null.
Answer: A, B, C
Question: 389
In a single record, a user selects multiple values from a multi-select picklist.
How are the selected values represented in Apex?
A. As a List with each value as an element in the list
B. As a String with each value separated by a comma
C. As a String with each value separated by a semicolon
D. As a Set with each value as an element in the set
Answer: C
Question: 390
A Platform Developer needs to write an Apex method that will only perform an action if a record is assigned to a
specific Record Type.
Which two options allow the developer to dynamically determine the ID of the required Record Type by its name?
(Choose two.)
A. Make an outbound web services call to the SOAP AP
C. Hardcode the ID as a constant in an Apex class.
D. Use the getRecordTypeInfosByName() method in the DescribeSObjectResult class.
E. Execute a SOQL query on the RecordType object.
Answer: C,D
Question: 391
Which two platform features align to the Controller portion of MVC architecture? (Choose two.)
A. Process Builder actions
B. Workflow rules
C. Standard objects
D. Date fields
Answer: A,B

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