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Salesforce CRT-450 Exam Syllabus Topics:

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

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Salesforce Certified Platform Developer I Sample Questions (Q15-Q20):

NEW QUESTION # 15
A developer wants to use all of the functionality provided by the standard controller for an object, but needs to override the Save standard action in a controller extension. Which two are required in the controller extension class?

A. Define the class with a constructor that creates a new instance of the StandardController class.
B. Create a method named Save with a return data type of PageReference.
C. Define the class with a constructor that takes an instance of StandardController as a parameter.
D. Create a method that references this.superSave()

Answer: B,C

NEW QUESTION # 16
The sales management team at Universal Containers requires that the Lead Source field of the Lead record be populated when a Lead is converted.
What should be used to ensure that a user populates the Lead Source field prior to converting a Lead?

A. Validation Rule
B. Process Builder
C. Workflow Rule
D. Formula Field

Answer: A

NEW QUESTION # 17
Which code in a Visualforce page and/or controller might present a security vulnerability?

A. <apex:outputField value="{'ctrl.userInput}" />
B. <apex:outputText value="{!SCurrentPage.parameters.useriInput}" />
C. <apex:outputfield value="(!ctrl.userinput)" rendered="(!isfditable}" />
D. <apex:outputText escape="false" value="{!sCurrentPage.parameters.userInput}" />

Answer: D

Explanation:
This code is vulnerable to a cross-site scripting (XSS) attack, because it takes user-supplied input and outputs it directly back to the user without escaping the XSS-vulnerable characters, such as <, >, ", ', and &. By setting the escape attribute to false, the developer disables the anti-XSS filter that is enabled by default for most Visualforce tags. An attacker can exploit this vulnerability by injecting malicious HTML or JavaScript code into the userInput parameter, which can then execute on the user's browser and compromise their security or privacy. References:
* Cross Site Scripting (XSS)
* Security Tips for Apex and Visualforce Development
* Security Guidelines for Apex and Visualforce Development

NEW QUESTION # 18
Which two queries can a developer use in a Visualforce controller to protect against SOQL injection vulnerabilities? Choose 2 answers

A. String qryName = % + name % ;
String qryString = SELECT Id FROM Contact WHERE Name LIKE:qryNAme ;
List queryResults = Database.query(qryString);
B. String qryString = SELECT Id FROM Contact WHERE Name LIKE :qryNAme ; List queryResults = Database.query(qryString);
C. String qryName = % +String.enforceSecurityChecks(name)+ % ;
String qryString = SELECT Id FROM Contact WHERE Name LIKE :qryNAme ;
List queryResults = Database.query(qryString);
D. String qryName = % + String.escapeSingleQuotes(name)+ % ;
String qryString = SELECT Id FROM Contact WHERE Name LIKE :qryNAme ;
List queryResults = Database.query(qryString);

Answer: A,D

NEW QUESTION # 19
A developer has the controller class below.

Which code block will run successfully in an execute anonymous window?

A. myFooController m = new myFooController();System.assert(m.prop ==1);
B. myFooController m = new myFooController();System.assert(m.prop !=null);
C. myFooController m = new myFooController();System.assert(m.prop ==null);
D. myFooController m = new myFooController();System.assert(m.prop ==0);

Answer: C

NEW QUESTION # 20
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