PDI Salesforce Exam Lab Questions

In the provided class:

public class myClass {

public void myMethod() { /* implementation */ }

}

The class myClass is declared without any sharing keyword (with sharing, without sharing, or inherited sharing).

Default Sharing Behavior:

Apex classes without an explicit sharing declaration run in system context, meaning they do not enforce sharing rules.

Option B: Sharing rules will not be enforced for the running user.

Explanation: Since myClass does not specify with sharing, methods within it execute without enforcing sharing rules, allowing access to all data irrespective of the running user's sharing rules.

A SOQL query can return the following data types:

Option A: sObject

Explanation: A SOQL query can return a single sObject when the query returns only one record.

Example:

Account acc = [SELECT Id, Name FROM Account WHERE Id = :accountId];

Option D: List

Explanation: A SOQL query can return a list of sObjects when multiple records are retrieved.

Example:

List contacts = [SELECT Id, Name FROM Contact WHERE AccountId = :accountId];

Option E: Integer

Explanation: When using aggregate functions like COUNT(), SOQL can return an Integer value.

Example:

Integer contactCount = [SELECT COUNT() FROM Contact WHERE AccountId = :accountId];

Why Other Options Are Incorrect:

Option B: Double

Aggregate functions like SUM() return Decimal, not Double.

When deploying Apex code to a production environment, certain requirements must be met regarding test coverage and annotations.

Option B: Apex classes must have at least 75% code coverage org-wide.

Correct Requirement.

Explanation:

Salesforce requires that all Apex classes and triggers have a combined code coverage of at least 75% before deployment to production.

This means that, across all Apex code in the org, at least 75% of the code must be covered by test methods.