CRT-450 Preparation Materials and Study Guide: Salesforce Certified Platform Developer I - Itcertmaster

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Salesforce CRT-450 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Data Modeling and Management	12%	- Relationship types - Data import and export - Custom objects and fields - Schema Builder
Topic 2: Debug and Deployment Tools	10%	- Metadata and business data deployment - Debug logs monitoring - Development and deployment environments - Developer Console, Workbench, and Force.com IDE
Topic 3: Logic and Process Automation	46%	- Roll-up summary fields capabilities and use cases - Apex primitive and complex data types - Formula fields capabilities and use cases - SOQL, SOSL, and DML - Apex variables, constants, and expressions - Exception handling - Declarative process automation features - Apex triggers - Apex control flow statements - Governor limits - Apex classes and interfaces
Topic 4: Salesforce Fundamentals	10%	- AppExchange application extension - Declarative customization use cases - Multi-tenant environment considerations - MVC pattern mapping - Core CRM objects capabilities
Topic 5: Testing	12%	- Execute anonymous vs. unit tests - Apex test classes - Test coverage requirements - Test data creation
Topic 6: User Interface	10%	- Visualforce controllers - Visualforce pages - Lightning components

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Salesforce Certified Platform Developer I Sample Questions (Q121-Q126):

NEW QUESTION # 121
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. In Activity Setting, uncheck Roll up activities to a contact's primary account.
D. Create a Task trigger to set the Account field to NULL.

Answer: C

NEW QUESTION # 122
Which three statements are true regarding custom exceptions in Apex? (Choose three.)

A. A custom exception class name must end with "Exception".
B. A custom exception class must extend the system Exception class.
C. A custom exception class can implement one or many interfaces.
D. A custom exception class cannot contain member variables or methods.
E. A custom exception class can extend other classes besides the Exception class.

Answer: A,C,E

NEW QUESTION # 123
A workflow updates the value of a custom field for an existing Account.
How can a developer access the updated custom field value from a trigger?

A. By writing an After Insert trigger and accessing the field value from Trigger.old
B. By writing, a Before Update trigger and accessing the field value from Trigger.new
C. By writing a Before Insert trigger and accessing the field value from Trigger.new
D. By writing an After Update trigger and accessing the field value from Trigger.old

Answer: B

NEW QUESTION # 124
When a user edits the Postal Code on an Account, a custom Account text field named ''Timezone'' must be updated based on the values in a postalCodeToTimezone_c custom object.
What should be built to implement this feature?

A. Account workflow rule
B. Account custom trigger
C. Account approval process
D. Account assignment rule

Answer: B

NEW QUESTION # 125
team of developers is working on a source-driven project that allows them to work independently, with many different org configurations.
Which type of Salesforce orgs should they use for their development?

A. Developer orgs
B. Scratch orgs
C. Developer sandboxes
D. Full Copy sandboxes

Answer: B

Explanation:
Scratch Orgs are disposable Salesforce orgs that can be created quickly and configured with different features and settings. They are ideal for source-driven development and allow developers to work independently.
Option D: Scratch orgs
Correct Answer.
Scratch orgs support source-driven development and can be fully configured through scripts and the Salesforce CLI.
Developers can create and destroy scratch orgs as needed, ensuring they have isolated environments.
Reference:
Options Not Applicable:
Option A: Full Copy sandboxes
Better suited for staging and performance testing, not for individual developer environments.
Option B and C: Developer orgs and Developer sandboxes
Less flexible for source-driven development.
Developer sandboxes are not as easily reconfigurable as scratch orgs.
Conclusion:
For source-driven development with independent configurations, the team should use Scratch orgs, which is Option D.

NEW QUESTION # 126
......

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