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DEV-450 exam Format | DEV-450 Course Contents | DEV-450 Course Outline | DEV-450 exam Syllabus | DEV-450 exam Objectives

ABOUT THE EXAM


The Salesforce Certified Platform Developer I exam has the following characteristics:


 Content: 60 multiple-choice/multiple-select questions


 Time allotted to complete the exam: 110 minutes


 Passing Score: 65%





The Salesforce Certified Platform Developer I exam is intended for an individual who has

experience developing and deploying basic business logic and user interfaces using the

programmatic capabilities of the Lightning Platform- including practical application of the

skills and concepts noted in the exam objectives below.


The Salesforce Certified Platform Developer I generally has one to two years of experience as

a developer and at least six months of experience on the Lightning Platform.

The Salesforce Certified Platform Developer I candidate has the experience- skills- and

knowledge outlined below:


 Can use the fundamental programmatic capabilities of the Lightning Platform to

develop custom interfaces to extend Salesforce capabilities and develop custom

business logic.


 Can extend the Lightning Platform using Apex and Visualforce- and understands

Lightning Components.


 Is familiar with- and able to leverage relevant declarative capabilities of the platform-

where appropriate.


 Knows when to use declarative vs. programmatic methods.


 Is familiar with the development lifecycle from development to testing- and has

knowledge of the available environments.


 Is familiar with the Salesforce Mobile app capabilities and the basics of the Lightning

framework.


 Knows when to use the Lightning Process Builder vs. an Apex trigger.


 Has experience with object-oriented languages such as Java- JavaScript- C#- Ruby-

and .NET.


 Has experience with data-driven applications and relational databases.


 Has experience with Model View Controller (MVC) architecture and componentbased architecture.


 Has invested time in studying the resources listed in this exam guide and the

additional required study materials provided by Salesforce.





EXAM OUTLINE


The Salesforce Certified Platform Developer I exam measures a candidates knowledge and

skills related to the following objectives. A candidate should have hands-on experience

developing custom applications on the Lightning Platform and have demonstrated the

application of each of the features/functions below.





SALESFORCE FUNDAMENTALS


 Describe the considerations when developing in a multi-tenant environment.


 Describe how the Salesforce platform features map to the MVC pattern.


 Describe the capabilities of the core CRM objects in the Salesforce schema.


 Identify the common scenarios for extending an application's capabilities using

the AppExchange.


 Identify common use cases for declarative customization of the Lightning

Platform- and customization and features of the Heroku platform.





DATA MODELING AND MANAGEMENT


 Given a set of requirements- determine the appropriate data model.


 Describe the capabilities of the various relationship types and the implications

of each on record access- user interface (UI)- and object-oriented

programming.


 Describe the impact of schema design and modifications on Apex

Development.


 Describe how to visualize and create entity relationships.


 Describe the options for and considerations when importing and exporting

data into development environments.





LOGIC AND PROCESS AUTOMATION


 Describe how to programmatically access and utilize the object schema.


 Describe the capabilities and use cases for formula fields.


 Describe the capabilities and use cases for roll-up summary fields.


 Describe the capabilities of the declarative process automation features.


 Describe when to use declarative automation features vs. Apex classes and

triggers.


 Describe how to declare variables and constants in Apex and how to assign

values using expressions.


 Describe the primitive and complex Apex data types and when to use them.


 Describe how to use and apply Apex control flow statements.


 Describe how to write and when to use Apex classes and interfaces.


 Describe how to use basic SOSL- SOQL- and DML statements when working

with objects in Apex.


 Describe the basic patterns used in triggers and classes to process data

efficiently.


 Describe when to use and how to write triggers.


 Describe the implications of governor limits on Apex transactions.


 Describe the relationship between Apex transactions- the save order of

execution- and the potential for recursion and/or cascading.


 Describe how to implement exception handling in Apex.


 Describe how to write Visualforce controllers.


 Describe when and how to use standard Visualforce controllers vs. Apex

custom controllers and controller extensions.


 Describe the programmatic techniques to prevent security vulnerabilities in

Apex and Visualforce.


 Describe how Apex impacts the ability to make declarative changes.





USER INTERFACE


 Describe how to display Salesforce data using a Visualforce page.


 Describe the types of web content that can be incorporated into Visualforce

pages.


 Describe how to incorporate Visualforce pages into Lightning Platform

applications.


 Describe the benefits of the Lightning Component framework.


 Describe the resources that can be contained in a Lightning Component.





TESTING


 Describe the testing framework and requirements for deployment.


 Describe how to write unit tests for triggers- controllers- and classes.


 Describe when and how to use various sources of test data.


 Describe how to execute one or multiple test classes.


 Describe the differences between invoking Apex in execute anonymous vs. unit

tests.





DEBUG AND DEPLOYMENT TOOLS


 Describe how to monitor and access various types of debug logs.


 Describe the capabilities and security implications of the Developer Console-

Workbench- and Force.com IDE.


 Describe the different processes for deploying metadata and business data.


 Describe how the different environments are used in the development and

deployment process.

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