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Topics of Salesforce DEX-450 Exam
Aspirants must know the exam topics before they start of preparation. Because it will help them to prepare for the below concepts.DEX-450 exam will include the following topics:
1. Objects and Fields
Describe the capabilities of objects on the Salesforce platformCreate a custom objectCreate custom fieldsCreate relationship fields
2. Work Effectively with Custom Objects and Fields
Create formula fieldsCreate roll-up summary fieldsDescribe the capabilities of record types
3. Programming with Apex
Describe key aspects of Apex that differentiate it from other languages, such as Java and C#Describe why Apex transactions and governor limits must be considered when writing ApexExecute simple ApexUse the sObject data type, the primitive data types, and basic control statements in Apex
4. Use SOQL to Query Your Org's Data
Write a basic query using Salesforce's query language, SOQLProcess the result of a query in ApexCreate a query dynamically at run-time Use SOQL to Query - Parent-Child RelationshipsDescribe a relationship queryWrite a query that traverses a child-to-parent relationshipWrite a query that traverses a parent-to-child relationship
5. DML Essentials
List the differences between the ways you can invoke DML operationsWrite Apex to invoke DML operations and handle DML errors
6. Trigger Essentials
Describe what a trigger is used forDescribe the syntax of a trigger definitionUse trigger context variables
7. Apex Class Essentials
Describe how Apex classes are usedDefine an Apex classDetermine what data an Apex class can access
8. The Save Order of Execution and Apex Transactions
Describe key points in the Order of ExecutionDescribe how triggers fit into and can be impacted by the Order of ExecutionDescribe the lifecycle of an Apex TransactionDescribe the memory lifecycle for static variables
9. Testing Essentials
Describe Apex's testing frameworkCreate test dataWrite and run an Apex test
10. Testing Strategies
Describe practices for writing code that is easy to maintain and extendWrite triggers and classes that assume batches of data as inputWrite code that works efficiently with the database, both in querying and using DML
11. Strategies for Designing Efficient Apex Solutions
Determine your code coverage percentagesCreate tests using best practices
12. Trigger Design Strategies
List declarative mechanisms you can use to implement complex business logic, for what types of problems they are best used, and their limitationsDescribe ways in which you can use declarative functionality to improve your programmatic solutions
13. Creating Visualforce Pages
Create a Visualforce pageReference a standard controllerLaunch a Visualforce page using a custom buttonDisplay data from a record in a Visualforce page
14. Exploring the View and Controller Layers of Visualforce
Create a Visualforce pageDisplay related dataInvoke standard controller actions
15. Working with Custom Controllers and Controller Extensions
Create controller extensionsCreate a custom controllerWork with propertiesUse PageReferencesInvoke custom methods in Visualforce pages14.Working with List Controllers and SOSL Queries
Use a standard list controller in a Visualforce pageCreate a SOSL queryCreate a custom list controller
16. Visualforce Development Considerations
Determine whether a declarative solution exists for your requirementsDescribe common governor limit issues and security concernsDescribe Visualforce strategies Testing Visualforce ControllersDescribe how a Visualforce controller interacts with the viewWrite tests for controller constructorsWrite tests for action methods, getters, setters, and properties
Average Salary for Salesforce DEX-450 Exam Certified Professional
Salesforce administrator roles are in great demand nowadays. The average salaries of Salesforce DEX-450 exam Certified professional in:
- England - 70,400 POUND
- India - 16,42,330 INR
- United State - 105,100 USD
- Europe - 72,300 Euro
Introduction to Salesforce DEX-450 Exam
This qualification concentrates on the programmer's validation of abilities, such as the programming of programs. Salesforce DEX-450 certification acknowledges that the applicant has the potential to conform his / her Salesforce applications to the heart of the Pinnacle programming language and the visual power diagram. The credential offers a better indicator of the competences which you have established to provide prospective employers. Professionals need to gain functional expertise in constructing and programming data objects (sObjectiles) to retrieve, modify and store data from these objects. Specify custom logic with Apex triggers and classes and use the built-in testing system to test this logic. This Guide covers all facets of the DEX-450 Test, the salary of the accredited specialist Salesforce DEX-450 and all the aspects of the Salesforce DEX-450 certification.
The Salesforce DEX-450 exam is a competency qualification test that acknowledges your capability growth. You need industry expertise to attempt the test. Professionals should execute the following duties following certification:
- Using the combined Apex and Visual Powers evaluation system.
- Describe how the trigger code functions in the Save Execution Order
- Write customizations of business logic using triggers and classes from Apex. SOQL and DML are used with these customizations.
>> Certification DEX-450 Sample Questions <<
DEX-450 Brain Dumps & Exam DEX-450 Cram Questions
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Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Sample Questions (Q75-Q80):
NEW QUESTION # 75
Universal Container(UC) wants to lower its shipping cost while making the shipping process more efficient. The Distribution Officer advises UC to implement global addresses to allow multiple Accounts to share a default pickup address. The Developer is tasked to create the supporting object and relationship for this business requirement and uses the Setup Menu to create a custom object called "Global Address". Which field should the developer ad to create the most efficient model that supports the business need?
- A. Add a Master-Detail field on the Global Address object to the Account object.
- B. Add a Master-Detail field on the Account object to the Global Address object
- C. Add a Lookup field on the Global Address object to the Account object
- D. Add a Lookup field on the Account object to the Global Address object.
Answer: D
NEW QUESTION # 76
A primaryid_c custom field exists on the candidate_c custom object. The filed is used to store each candidate's id number and is marked as Unique in the schema definition.
As part of a data enrichment process. Universal Containers has a CSV file that contains updated data for all candidates in the system, the file contains each Candidate's primary id as a data point. Universal Containers wants to upload this information into Salesforce, while ensuring all data rows are correctly mapped to a candidate in the system.
Which technique should the developer implement to streamline the data upload?
- A. Create a before Insert trigger to correctly map the records.
- B. Update the primaryid__c field definition to mark it as an External Id
- C. Create a Process Builder on the Candidate_c object to map the records.
- D. Upload the CSV into a custom object related to Candidate_c.
Answer: B
NEW QUESTION # 77
The Salesforce Administrator created a custom picklist field, Account_status_c, on the a Account object. This picklist has possible values of Inactive'' and Active?
As part of a new business process, management wants to ensure an opportunity record is created only for Accounts marked as "Active". A developer is asked to implement this business requirement.
Which two automation tools should be used to fulfill the business need?
Choose 2 answers
- A. Approval Process
- B. Process Builder
- C. Workflow Rules
- D. Salesforce Flow
Answer: D
NEW QUESTION # 78
A developer is creating a Lightning web component to show a list of sales records.
The Sales Representative user should be able to see the commission-field on each record. The Sales Assistance user should be able to see all field 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 with SECURITY_EMFoRCED in the SOQL that fetches the data for the component.
- B. Use Lightning Locker Service to enforce sharing rules and field-level security.
- C. Use security. stripInaccessible to remove fields inaccessible to the current user.
- D. Use Lightning Data Service to get the collection of sales records.
Answer: C
NEW QUESTION # 79
Which two number expression evaluate correctly? Choose 2 answers
- A. Double D =3.14159;
- B. Long I = 3.14159;
- C. Decimal D = 3.14159;
- D. Integer I = 3.14159;
Answer: A,C
NEW QUESTION # 80
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