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| Certification Vendor: | Salesforce |
|---|---|
| Exam Name: | Salesforce Certified Platform Developer I Exam |
| Exam Number: | CRT-450 |
| Related Certifications: | Salesforce Certified Platform Developer II Salesforce Certified Platform App Builder |
| Available Languages: | Spanish, Japanese, English, French, German |
| Real Exam Qty: | 60 |
| Passing Score: | 68% |
| Exam Format: | Multiple Choice, Multiple Select |
| Exam Duration: | 105 minutes |
| Certificate Validity Period: | 3 years |
| Exam Price: | 200 USD |
| Recommended Training: | Trailhead Platform Developer I Learning Path Salesforce Developer Beginner Modules |
| Exam Registration: | Salesforce Certification Registration Kryterion Webassessor Exam Scheduling |
| Sample Questions: | Salesforce CRT-450 Sample Questions |
| Exam Way: | Online proctored or onsite at authorized testing centers (e.g., Kryterion/Webassessor) |
| Pre Condition: | No formal prerequisites. Recommended experience with Salesforce Platform and Apex development; completion of Platform App Builder certification or Trailhead modules is suggested. |
| Official Syllabus URL: | https://trailhead.salesforce.com/credentials/platformdeveloper1 |
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Salesforce CRT-450 Certification is recognized globally and is highly valued by employers who seek to hire qualified Salesforce developers. By earning this certification, developers can not only enhance their career prospects but also gain access to a vast network of Salesforce professionals and resources. Salesforce Certified Platform Developer I certification demonstrates the developer's commitment to continuous learning and professional development, which is essential for staying relevant in a rapidly evolving technology landscape.
NEW QUESTION # 159
A lead object has a custom field Prior_Email__c. The following trigger is intended to copy the current Email into the Prior_Email__c field any time the Email field is changed:
Which type of exception will this trigger cause?
Answer: A
NEW QUESTION # 160
A developer must modify the following code snippet to prevent the number of SOQL queries issued from exceeding the platform governor limit. public class without sharing OpportunityService( public static List<OpportunityLineItem> getOpportunityProducts(Set<Id> opportunityIds){ List<OpportunitylineItem> oppLineItems = new List<OpportunityLineItem>(); for(Id thisOppId : opportunityIds){ oppLineItems.addAll([Select Id FROM OpportunityLineItems WHERE OpportunityId = :thisOppId)]; } return oppLineItems; } } The above method might be called during a trigger execution via a Lightning component. Which technique should be implemented to avoid reaching the governor limit?
Answer: D
Explanation:
The code snippet above is not bulkified, meaning it does not handle multiple records efficiently. It performs a SOQL query inside a for loop, which can quickly hit the governor limit of 100 SOQL queries per transaction.
The best technique to avoid reaching the governor limit is to refactor the code above to perform only one SOQL query, filtering by the Set of opportunityIds. This way, the code will retrieve all the OpportunityLineItems related to the given opportunityIds in one query, and avoid unnecessary iterations and queries.
References:
* Apex Developer Guide on Bulkifying Code (1)
* Apex Developer Guide on SOQL For Loops (2)
* Apex Developer Guide on System.Limits Class (3)
NEW QUESTION # 161
A developer must write an Apex method that will be called from a Lightning component. The method may delete an Account stored in the accountRec variable.
Which method should a developer use to ensure only users that should be able to delete Accounts can successfully perform deletions?
Answer: B
Explanation:
To check whether the current user has permission to delete an Account, the developer should use the Schema.sObjectType methods.
Option D: Schema.sObjectType.Account.isDeletable()
Correct Method.
The Schema.sObjectType.Account provides describe information about the Account object.
The isDeletable() method returns a Boolean indicating whether the current user has permission to delete records of this type.
Usage:
if (Schema.sObjectType.Account.isDeletable()) {
// User has permission to delete Accounts
delete accountRec;
} else {
// Handle lack of permission
}
Options Not Applicable:
Option A: Account.isDeletable()
No such static method on the Account object.
Option B: accountRec.sObjectType.isDeletable()
sObjectType returns a token; to get describe results, you need to call getDescribe().
Option C: accountRec.isDeletable()
There is no instance method isDeletable() on sObject records.
Conclusion:
To ensure proper permission checks, the developer should use Schema.sObjectType.Account.isDeletable(), which is Option D.
NEW QUESTION # 162
A develop completed modification to a customized feature that is comprised of two elements:
Apex trigger
Trigger handler Apex class
What are two factors that the developer must take into account to properly deploy the modification to the production environment?
Answer: B,C
NEW QUESTION # 163
What should a developer do to check the code coverage of a class after running all tests?
Answer: C
Explanation:
To check the code coverage of a class after running all tests, the developer should view the code coverage percentage of the class using the Overall Code Coverage panel in the Developer Console Test tab1. This panel shows the code coverage for each Apex class and trigger in the organization, as well as the overall code coverage. The developer can also view the line-by-line code coverage for a class by opening the class and selecting the All Tests option from the Code Coverage menu2. The blue lines indicate the lines that are covered by tests, and the red lines indicate the lines that are not covered by tests. References:
* 1: Testing and Code Coverage | Apex Developer Guide
* 2: Checking Code Coverage - Salesforce
NEW QUESTION # 164
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