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| Certification Vendor: | Salesforce |
|---|---|
| Exam Name: | Salesforce Certified Platform Developer I |
| Exam Number: | CRT-450 |
| Available Languages: | English, Spanish, German, Japanese, French |
| Exam Price: | $200 USD |
| Exam Format: | Multiple-select, Multiple-choice |
| Passing Score: | 68% |
| Real Exam Qty: | 60-65 |
| Certificate Validity Period: | 2 years |
| Exam Duration: | 105 minutes |
| Related Certifications: | Salesforce Certified Platform Developer II |
| Recommended Training: | Platform Developer I Certification Study Guide Trailhead Platform Developer I Trailmix |
| Exam Registration: | Salesforce Certification Registration |
| Sample Questions: | Salesforce CRT-450 Sample Questions |
| Exam Way: | Online proctored or onsite at authorized testing centers |
| Pre Condition: | No mandatory prerequisites; recommended hands-on experience building custom applications on the Lightning Platform |
| Official Syllabus URL: | https://trailhead.salesforce.com/credentials/platform-developer-i |
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Salesforce CRT-450 (Salesforce Certified Platform Developer I) Certification Exam is a certification program that validates the skills of developers in building customized applications and functionality on the Salesforce platform. CRT-450 exam is designed to test the candidate's understanding of the Salesforce platform, its features, and its various components. Salesforce Certified Platform Developer I certification program is designed for developers who have experience in developing applications on the Salesforce platform and want to validate their skills.
NEW QUESTION # 87
The Job _Application__c custom object has a field that is a master-detail relationship to the Contact object, where the Contact object is the master.
As part of a feature implementation, a developer needs to retrieve a list containing all Contact records where the related Account Industry is
'Technology', while also retrieving the Contact's Job_Application__c records.
Based on the object's relationships, what is the most efficient statement to retrieve the list of Contacts?
Answer: C
NEW QUESTION # 88
A company has a custom object, Sales, }_Help_Request__c, that has a Lookup relationship to Opportunity.
The Seles Help Request__c has a mumber field, Number_ct_Hours__c, that represents the amount of time spent on the Sales_Help Request__C.
A developer is tasked with creating a field, total_Hour2__c, on Opportunity that should be the sum of all of the Number_of_Hours_c values for the Sales_Help_Request__c records related to that Opportunity.
What should the developer use to implement this?
Answer: D
Explanation:
To implement the total_Hours__c field on the Opportunity object, the developer should use a roll-up summary field on the Opportunity object. A roll-up summary field calculates values from related records, such as those in a related list1. In this case, the roll-up summary field on the Opportunity object would sum up the Number_of_Hours__c values from the Sales_Help_Request__c records that are related to the Opportunity via the Lookup relationship. This is the simplest and most declarative way to achieve the requirement.
The other options are not valid because:
* A roll-up summary field on the Sales_Help_Request__c object would not be able to aggregate the values from the child records to the parent record. A roll-up summary field can only calculate values from the child records to the parent record in a master-detail relationship, not a lookup relationship1.
* A trigger on the Opportunity object would not be able to access the Number_of_Hours__c values from the Sales_Help_Request__c records without performing a SOQL query. A trigger can only access the fields of the records that are being inserted, updated, deleted, or undeleted2. A trigger would also require more coding and testing than a roll-up summary field.
* A record-triggered flow on the Sales_Help_Request__c object would not be able to update the total_Hours__c field on the Opportunity object without performing a SOQL query and a DML
* operation. A record-triggered flow can only access and update the fields of the record that triggered the flow3. A record-triggered flow would also be more complex and less efficient than a roll-up summary field.
References:
* 1: Roll-Up Summary Field - Salesforce
* 2: Triggers and Order of Execution - Salesforce
* 3: Record-Triggered Flows - Salesforce
NEW QUESTION # 89
Which two events need to happen when deploying to a production org? Choose 2 answers
Answer: A,D
Explanation:
When deploying to a production org, all Apex code, including triggers, must have at least 75% test coverage.
This means that at least 75% of the lines of code in each Apex class and trigger must be executed by unit tests.
This is a requirement to ensure the quality and reliability of the code and to prevent any unexpected behavior or errors in production. Test coverage is calculated by dividing the number of covered lines by the total number of lines in each class or trigger. Test coverage can be measured by running tests in the Developer Console, the Salesforce CLI, or the Apex Test Execution page in Setup. Test coverage can also be viewed in the Code Coverage page in Setup or in the Problems tab in the Developer Console. Test coverage is different from test results, which indicate whether the tests passed or failed based on the assertions and expected outcomes. Test results do not affect the deployment, but they can help identify and fix any bugs or issues in the code. Test coverage and test results are both important aspects of testing Apex code and ensuring its functionality and performance. References:
* Testing Apex from the Apex Developer Guide
* Get Started with Apex Unit Tests from the Salesforce Trailhead
* Deploying Apex to a Production Organization from the Apex Developer Guide
NEW QUESTION # 90
Universal Containers wants to back up all of the data and attachments in its Salesforce org once a month.
Which approach should a developer use to meet this requirement?
Answer: A
NEW QUESTION # 91
What are three capabilities of the <ltng : require> tag when loading JavaScript resources in Aura components?
Choose 3 answers
Answer: B,D,E
Explanation:
The <ltng : require> tag is a Lightning component that allows you to load external CSS and JavaScript libraries in your Aura components. The <ltng : require> tag has the following capabilities:
* One-time loading for duplicate scripts: The <ltng : require> tag ensures that the same script or style resource is loaded only once, even if it is specified in multiple <ltng : require> tags in the same component or across different components. This avoids unnecessary loading and potential conflicts.
* Specifying loading order: The <ltng : require> tag allows you to specify the order in which the scripts and styles are loaded, by using comma-separated lists in the scripts and styles attributes. The resources are loaded in the order you specify them, which is important for maintaining dependency order and avoiding errors.
* Loading externally hosted scripts: The <ltng : require> tag enables you to load scripts that are hosted on external servers, such as CDN or third-party services, by using the full URL of the script in the scripts attribute. This can be useful for accessing libraries that are not available as static resources in Salesforce.
References: ltng:require - documentation, Using External JavaScript Libraries, Prepare for Your Salesforce Platform Developer I Credential
NEW QUESTION # 92
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