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Salesforce DEX-450 exam covers a wide range of topics related to programmatic development in the Salesforce ecosystem. These include Apex programming language, Visualforce framework, Lightning Components, and integration with external systems. DEX-450 Exam also covers advanced topics such as unit testing, code coverage, debugging, and deployment.

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Salesforce DEX-450 exam covers a range of topics, including Apex, Visualforce, Lightning components, integration, data modeling, and security. It is a challenging exam that tests the understanding of Salesforce development best practices, coding standards, and design patterns. Passing DEX-450 exam requires a deep understanding of the Salesforce platform, as well as the ability to apply that knowledge to solve real-world problems. Candidates who pass the Salesforce DEX-450 exam will be recognized as experts in programmatic development using Apex and Visualforce in Lightning Experience, setting them apart from other Salesforce developers.

The DEX-450 Exam covers a range of topics related to Apex and Visualforce development in the Lightning Experience. These include Apex syntax and programming concepts, Visualforce markup and component development, as well as Lightning components and Javascript development. Candidates will also be tested on their knowledge of Salesforce security and data access, as well as their ability to use Apex and Visualforce to customize Salesforce functionality.

Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Sample Questions (Q176-Q181):

NEW QUESTION # 176
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 Lookup field on the Global Address object to the Account object
B. Add a Master-Detail field on the Global Address object to the Account object.
C. Add a Lookup field on the Account object to the Global Address object.
D. Add a Master-Detail field on the Account object to the Global Address object

Answer: B

NEW QUESTION # 177
Given the code block: Integer x; for (x =0; x<10; x+=2){
if (x==8) break; if (x==10) break;
} system.debug(x); Which value will the system.debug display?

A. 0
B. 1
C. 2
D. 3

Answer: A

NEW QUESTION # 178
A developer has identified a method in an Apex class that performs resource intensive actions in memory by iterating over the result set of a SOQL statement on the account. The method also performs a DML statement to save the changes to the datadase.
Which two techniques should the developer implement as a best practice to ensure transaction control and avoid exceeding governor limits?
Choose 2 answers

A. Use partial DML statements to ensure only valid data is committed.
B. Use the Reedonly annotation to bypass the number of rows returned by a SOQL.
C. Use the System,Limit classto monitor the current CPU governor limit consumption.
D. Use the Database,Savepoint method to enforce database integrity.

Answer: C,D

NEW QUESTION # 179
The Review_c object have a lookup relationship to the job_Application_c object. The job_Application_c object has a master detail relationship up to the position_c object. The relationship is based on the auto populated defaults?
What is the recommended way to display field data from the related Review _C records a Visualforce page for a single Position_c record? Select one of the following:

A. Utilize the Standard Controller for Position_c and a Controller Extension to query for Review_c data.
B. Utilize the Standard Controller for Position_c and expression syntax in the Page to display related Review_c through the Job_Applicacion_c inject.
C. Utilize the Standard Controller for Position_c and cross-object Formula Fields on the Review_c object to display Review_c data.
D. Utilize the Standard Controller for Position_c and cross-object Formula Fields on the Job_Application_c object to display Review_c data.

Answer: A

NEW QUESTION # 180
How can a developer check the test coverage of autolaunched Flows before deploying them in a change set?

A. Use the ApextestResult class.
B. Use the Code Coverage Setup page,
C. Use SOQL and the Tooling API.
D. Use the Flow Properties page.

Answer: C

NEW QUESTION # 181
......

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