Salesforce Certified Platform Developer I - CRT-450 Exam Questions

QUESTION NO: 1
As part of new feature development, a developer is asked to build a responsive application capable of responding to touch events, that will be executed on stateful clients. Which two technologies are built on a framework that fully supports the business requirement? Choose 2 answers

QUESTION NO: 2
What should a developer use to script the deployment and unit test execution as part of continuous integration?

QUESTION NO: 3
Ursa Major Solar has a custom object, serviceJob-o, with an optional Lookup field to Account called partner-service-Provider_c.
The TotalJobs-o field on Account tracks the total number of serviceJob-o records to which a partner service provider Account is related.
What is the most efficient way to ensure that the Total job_o field kept up to data?

QUESTION NO: 4
A developer created a Visualforce page and custom controller to display the account type field as shown below.
Custom controller code:

Visualforce page snippet:

The value of the account type field is not being displayed correctly on the page. Assuming the custom controller is properly referenced on the Visualforce page, what should the developer do to correct the problem?

QUESTION NO: 5
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

QUESTION NO: 6
A developer is alerted to an issue with a custom Apex trigger that is causing records to be duplicated. What is the most appropriate debugging approach to troubleshoot the issue?

QUESTION NO: 7
Universal Container uses Service Cloud with a custom field, stage_c, on the Case object.
Management wants to send a follow-up email reminder 6 hours after the stage_c field is set to
`';Waiting on customer'' The .... Administrator wants to ensure the solution used is bulk safe.
Which two automation tools should a developer recommend to meet these business requirements? Choose 2 answers

QUESTION NO: 8
What should a developer use to fix a Lightning web component bug in a sandbox?

QUESTION NO: 9
Given the following code snippet, that is part of a custom controller for a Visualforce page:

In which two ways can the try/catch be enclosed to enforce object and field-level permissions and prevent the DML statement from being executed if the current logged-in user does not have the appropriate level of access? Choose 2 answers

QUESTION NO: 10
As part of a data cleanup strategy, AW Computing wants to proactively delete associated opportunity records when the related Account is deleted.
Which automation tool should be used to meet this business requirement?

QUESTION NO: 11
Universal Containers wants to automatically assign new cases to the appropriate support representative based on the case origin. They have created a custom field on the Case object to store the support representative name.
What is the best solution to assign the case to the appropriate support representative?

QUESTION NO: 12
Developers at Universal Containers (UC) use version control to share their code changes, but they notice that when they deploy their code to different environments they often have failures.
They decide to set up Continuous Integration (CI).
What should the UC development team use to automatically run tests as part of their CI process?

QUESTION NO: 13
A developer needs to implement a custom SOAP Web Service that is used by an external Web Application. The developer chooses to Include helper methods that are not used by the Web Application In the Implementation of the Web Service Class. Which code segment shows the correct declaration of the class and methods?