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How to book the Salesforce DEX-450 Exam

There are the following steps for registering the Salesforce DEX-450 exam: Step 1: Visit Salesforce Exam RegistrationStep 2: Signup/Login to Salesforce accountStep 4: Select Date, time and confirm with the payment method

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Salesforce DEX-450 Exam Syllabus Topics:

Topic	Details
Topic 1	Describe how triggers fit into and can be impacted by the Order of Execution Building a Data Model on the Salesforce Platform
Topic 2	Describe the memory lifecycle for static attributes Use Platform Events for Immediate Error Logging
Topic 3	Process the result of a query in Apex Understanding Record Types Use trigger context variables
Topic 4	Write a query that traverses a child-to-parent and parent-to-child relationship Creating Roll-Up Summary Fields
Topic 5	Write a basic query using Salesforce’s query language, SOQL Write Apex to invoke DML operations and handle DML errors
Topic 6	Describe strategies for Testing Visualforce controllers Use SOQL to Query Parent-Child Relationships
Topic 7	Referencing Custom Controllers and Controller Extensions Use the sObject data type, the primitive data types, and basic control statements in Apex

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Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Sample Questions (Q91-Q96):

NEW QUESTION # 91
A developer is creating a Lightning web component to showa list of sales records.
The Sales Representative user should be able to see the commission field on each record. The Sales Assistant user should be able to see all fields on the record except the commission field.
How should this be enforced so that the component works for both users without showing any errors?

• A. Use Security. stripInaccessible to remove fields inaccessible to the current user.
• B. Use Lightning Locker Service to enforce sharing rules and field-level security.
• C. Use Lightning Data Service to get the collection of sales records.
• D. Use WITH SECURITY_ENFORCED in the SOQL that fetches the data for the component.

Answer: A
NEW QUESTION # 92
Which three operations affect the number of times a trigger can fire?
Choose 3 answers

• A. Roll-Up Summary fields
• B. Workflow Rules
• C. Process Flows
• D. Email messages
• E. Criteria-based Sharing calculations

Answer: A,B,C
NEW QUESTION # 93
A developer executes the following code in the Developer Console:
List<Account> fList = new List <Account> ();For(integer i= 1; I <= 200; i++){fList.add(new Account ( Name = 'Universal Account ' + i));}Insert fList;List <Account> sList = new List<Account>();For (integer I = 201; I <=
20000; i ++){sList.add(new Account (Name = 'Universal Account ' + i));}Insert sList;How many accounts are created in the Salesforce organization ?

• A. 0
• B. 1
• C. 2
• D. 3

Answer: C
NEW QUESTION # 94
Which scenario is invalid for execution by unit tests?

• A. Loading test data in place of user input for Flows.
• B. Loading the standard Pricebook ID using a system method
• C. Executing methods as different users.
• D. Executing methods for negative test scenarios

Answer: A
NEW QUESTION # 95
A developer is tasked to perform a security review of the ContactSearch Apex class that exists in the system. Whithin the class, the developer identifies the following method as a security threat: List<Contact> performSearch(String lastName){ return Database.query('Select Id, FirstName, LastName FROM Contact WHERE LastName Like %'+lastName+'%); } What are two ways the developer can update the method to prevent a SOQL injection attack? Choose 2 answers

• A. Use a regular expression expression on the parameter to remove special characters.
• B. Use the @Readonly annotation and the with sharing keyword on the class.
• C. Use variable binding and replace the dynamic query with a static SOQL. (Missed)
• D. Use the escapeSingleQuote method to sanitize the parameter before its use. (Missed)

Answer: A,B
NEW QUESTION # 96
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