DEX-450 Study Guide: Latest [Mar 15, 2024] Realistic Verified DEX-450 Dumps
DEX-450 Questions & Practice Test are Available On-Demand
Salesforce DEX-450 exam is a certification exam that is administered by Salesforce. DEX-450 exam consists of 60 multiple-choice questions, and candidates have 105 minutes to complete the exam. DEX-450 exam is available in multiple languages and can be taken online or in-person at a testing center. DEX-450 exam fee is $200 USD, and candidates who pass the exam will receive a certification from Salesforce.
NEW QUESTION # 88
Which two scenarios require an Apex method to be called imperatively from a Lightning web component?
Choose 2 answer
- A. Calling a method that makes a web service callout
- B. Calling a method that is external to the main controller for the Lightning web component
- C. Calling a method with the click of a button
- D. Calling a method that is not annotated with cacheable-true
Answer: B,D
NEW QUESTION # 89
From which two locations can a developer determine the overall code coverage for a sandbox? Choose two answers
- A. The Apex Test Execution page
- B. The Test Suite Run panel the Developer Console
- C. The Test Tab of the Developer Console
- D. The Apex classes setup page
Answer: C,D
NEW QUESTION # 90
What must the Controller for a Visulforce page utilized to override the standard Opportunity view button?
- A. A constructor that initialized a private Opportunity variable.
- B. The Opportunity StandardController for pre-built functionality
- C. The StandardSetController to support related lists for pagination
- D. A callback constructor to reference the StandardController
Answer: B
NEW QUESTION # 91
Which three operations affect the number of times a trigger can fire?
Choose 3 answers
- A. Roll-Up Summary fields
- B. Process Flows
- C. Criteria-based Sharing calculations
- D. Email messages
- E. Workflow Rules
Answer: A,B,E
NEW QUESTION # 92
A developer needs to create a baseline set of data (Accounts, Contacts, Products, Assets) for an entire suite of test allowing them to test independent requirements various types of Salesforce Cases.
Which approach can efficiently generate the required data for each unit test?
- A. Add @isTest(seeAllData=true) at the start of the unit test class.
- B. Use @TestSetup with a viod method.
- C. Create a nock using the Stud API
- D. Create test data before Test.startTest() in the unit test.
Answer: B
NEW QUESTION # 93
Which two condition cause workflow rules to fire? Choose 2 answers
- A. An Apex batch process that changes field values
- B. Updating record using bulk API
- C. Changing territory assignments of accounts and opportunities
- D. Converting leads to person account
Answer: A,B
NEW QUESTION # 94
A developer wants to retrieve the Contacts and Users with the email address '[email protected]'.
Which SOSL statement should the developer use?
- A. FIND {Email = '[email protected]'} RETURNING Contact (Email), User (Email)
- B. FIND {Email = '[email protected]'} IN Contact, User
- C. FIND {[email protected]} IN Email Fields RETURNING Contact (Email), User (Email)
- D. FIND Email IN Contact, User FOR {dev2uc.com}
Answer: C
NEW QUESTION # 95
Which two statements can a developer use to throw a custom exception of type MissingFieldValueException? Choose 2 answers.
- A. Throw (MissingFieldValueException, 'Problem occurred');
- B. Throw new MissingFieldValueException ('Problem occurred');
- C. Throw Exception (new MissingFieldValueException());
- D. Throw new MissingFieldValueException();
Answer: B,D
NEW QUESTION # 96
Which actions can a developer perform using the Schema Builder?Choose 2 answers
- A. Create a view of objects and relationships without fields
- B. Create a custom field and automatically add it to an existing page layout.
- C. Create a custom object and define a lookup relationship on that object
- D. Create a view containing only standard and system objects.
Answer: C,D
NEW QUESTION # 97
How can a developer get all of the available record types for the current user on the case object?
- A. Use case.getrecordtypes()
- B. Use describefieldresult of the case.recordtype field
- C. Use SOQL to get all cases
- D. Use describesobjectresult of the case object
Answer: B
NEW QUESTION # 98
When the number of record in a recordset is unknown, which control statement should a developer use to implement a set of code that executes for every record in the recordset, without performing a .size() or .length() method call?
- A. Do { } While (Condition)
- B. While (Condition) { ... }
- C. For (init_stmt, exit_condition; increment_stmt) { }
- D. For (variable : list_or_set) { }
Answer: D
NEW QUESTION # 99
How many accounts will be inserted by the following block ofcode? for(Integer i = 0 ; i < 500; i++) { Account a = new Account(Name='New Account ' + i); insert a; }
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION # 100
While writing an Apex class that creates Accounts, a developer wants to make sure that all required fields are handled properly.
Which approach should the developer use to be sure that the Apex class works correctly?
- A. Include a try/catch block to the Apex class.
Answer: A
NEW QUESTION # 101
Cloud Kicks Fitness, an ISV Salesforce partner, is developing a managed package application. One of the application modules allows the user to calculate body fat using the apex class, Bodyfat, and its method, calculateBodyfat(). The product owner wants to ensure this method is accessible by the consumer of the application when developing customizer outside the ISV's package namespace. Which approach should a developer take to ensure calculateBodyFat() is accessible outside the package namespace?
- A. Declare the class as public and use the global access modifier on the method.
- B. Declare the class as public and use the public access modifier on the method.
- C. Declare the class and method using the public access modifier.
- D. Declare the class and method using the global access modifier.
Answer: D
NEW QUESTION # 102
Universal container wants a list button to display a visualforce page that allows users to edit multiple records which visualforce feature supports this requirement.
- A. Recordsetvar page attribute
Answer: A
NEW QUESTION # 103
A developer wants to display all of the available record types for a Case object. The developer also wants to display the picklist values for the Case.Status field. The Case object and the Case.Status field are on a custom Visualforce page. Which action can the developer perform to get the record types and picklist values in the controller? (Choose 2)
- A. Use Schema.PicklistEntry returned by Case.Status.getDescribe().getPicklistValues().
- B. Use SOQL to query case records in the org to get all values for the Status picklist field.
- C. Use Schema.RecordTypeInfo returned by Case.sObjectType.getDescribe().getRecordTypeInfos().
- D. Use SOQL to query Case records in the org to get all the RecordType values available for Case.
Answer: A,C
NEW QUESTION # 104
A developer created an Apex trigger using the Developer Console and now wants to debug codeHow can the developer accomplish this in the Developer Console?
- A. Add the user name in the Log Inspector.
- B. Open the Progress tab in the Developer Console.
- C. Open the logs tab in the Developer Console.
- D. Select the Override Log Triggers checkbox for the trigger
Answer: C
NEW QUESTION # 105
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Salesforce DEX-450 certification exam is designed for Salesforce developers who want to demonstrate their expertise in programmatic development using Apex and Visualforce in Lightning Experience. Programmatic Development using Apex and Visualforce in Lightning Experience certification exam is intended for individuals who have experience developing for the Salesforce platform and are looking to expand their knowledge and skills in programmatic development.
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