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NEW QUESTION # 35
A company notices that their unit tests in a test class with many methods to create many records for prerequisite reference data are slow.
What can a developer to do address the issue?
- A. Move the prerequisite reference data setup to a TestDataFactory and call that from each test method,
- B. Move the prerequisite reference data setup to a @testSetup method in the test class.
- C. Move the prerequisite reference data setup to the constructor for the test class.
- D. Turn off triggers, flows, and validations when running tests.
Answer: B
NEW QUESTION # 36
A developer created and tested a Visualforce page in their developer sandbox, but now receives reports that users are encountering ViewState errors when using it in Production. What should the developer ensure to correct these errors?
- A. Ensure properties are marked as private.
- B. Ensure variables are marked as Transient.
- C. Ensure queries do not exceed governor limits.
- D. Ensure profiles have access to the Visualforce page.
Answer: B
NEW QUESTION # 37
A developer is building a Lightning web component that retrieves data from Salesforce and assigns it to the record property.
What must be done in the component to get the data from Salesforce?
- A.
- B.
- C.
Answer: C
Explanation:
Option A is the correct answer. The @wire decorator is used in conjunction with getRecord from lightning/uiRecordApi to retrieve a record from Salesforce. The syntax @wire(getRecord, { recordId: '
$recordId', fields: '$fields' }) sets up a reactive property, which means it will automatically rerun whenever the recordId or fields property changes.
References:
Get Record Data
NEW QUESTION # 38
Trigger on Contact ensures that whenever a Contact's custom field "User Level" is given the value "President," the related Community User's Role is updated as Manager. The Apex unit test method for testing this functionality is failing for a mixed DML error. What is one way that this problem can be solved?
- A. Query the user roles before the test method's startTest () statement.
- B. Use a System. runAs () block to update the contact.
- C. Create test data for the roles before startTest 0.
- D. Put the update of contact event inside startTest() and stopTest().
Answer: B
NEW QUESTION # 39
Which of the following about Dynamic Apex is incorrect?
- A. You can retrieve the sObject type from an Id by calling .getSObjectTypeQ
- B. getDescribe() can get you a variety of info on a particular object/field
- C. Schema.getGlobalDescribeQ gives you a map of all sObject
- D. In dynamic SOQL, you can use bind variables and bind variable fields
Answer: D
Explanation:
Explanation
Explanation/Reference:
While you can use simple bind variables in dynamic SOQL, you cann|ot use bind variable fields (e.g. :myVariable.field1_c) Use escapeSingleQuotes to prevent SOQL injection
NEW QUESTION # 40
A Visualforce page needs to make a callout to get billing information and tax information from two different REST endpoints. The information needs to be displayed to the user at the same time and the return value of the billing information contains the input for the tax information callout. Each endpoint might take up to two minutes to process.
How should a developer implement the callouts?
- A. A Continuation for the billing callout and an HTTP REST callout for the tax callout
- B. An HTTP REST callout for both the billing callout and the tax callout
- C. An HTTP REST callout for the billing callout and a Continuation for the tax callout
- D. A Continuation for both the billing callout and the tax callout
Answer: D
Explanation:
A Continuation is a way of making long-running callouts from a Visualforce page without blocking the user interface or exceeding the governor limits. A Continuation can chain multiple callouts and return the responses to the same Visualforce page. A Continuation is suitable for this scenario because the billing and tax information callouts are dependent on each other and might take up to two minutes each. An HTTP REST callout is a synchronous callout that blocks the user interface and has a limit of 120 seconds. Using an HTTP REST callout for either or both of the callouts would not meet the requirements of displaying the information at the same time and avoiding timeout errors. Reference: [Continuation Class], [Callout Limits and Limitations]
NEW QUESTION # 41
An org has a requirement that an Account must always have one and only one Contact listed as Primary. So selecting one Contact will de-select any others. The client wants a checkbox on the Contact called 'Is Primary' to control this feature.
The client also wants to ensure that the last name of every Contact is stored entirely in uppercase characters.
What is the optimal way to implement these requirements?
- A. Write a single trigger on Contact for both after update and before update and callout to helper classes to handle each set of logic.
- B. Write a Validation Rule on the Contact for the Is Primary logic and a before update trigger on Contact for the last name logic.
- C. Write an after update trigger on Account for the Is Primary logic and a before update trigger on Contact for the last name logic.
- D. Write an after update trigger on Contact for the Is Primary logic and a separate before update trigger on Contact for the last name logic.
Answer: A
NEW QUESTION # 42
A developer wants to retrieve and deploy metadata, perform simple CSV export of query results, and debug Apex REST calls by viewing JSON responses.
Which tool should the developer use?
- A. Workbench
- B. Force.com Migration Tool
- C. Force.com IDE
- D. Developer Console
Answer: A
NEW QUESTION # 43
An Apex trigger and Apex class increment a counter, `Edit_Count__c`, any time the Case is changed.
```java
public class CaseTriggerHandler {
public static void handle(List<Case> cases) {
for (Case c : cases) {
c.Edit_Count__c = c.Edit_Count__c + 1;
}
}
}
trigger on Case(before update) {
CaseTriggerHandler.handle(Trigger.new);
}
```
A new before-save record-triggered flow on the Case object was just created in production for when a Case is created or updated. Since the process was added, there are reports that `Edit_Count__c` is being incremented more than once for Case edits. Which Apex code fixes this problem?
- A. Edit_Count__c = c.Edit_Count__c + 1;
}
}
}
trigger on Case(before update) {
CaseTriggerHandler.firstRun = true;
if (CaseTriggerHandler.firstRun) {
CaseTriggerHandler.handle(Trigger.newMap);
}
CaseTriggerHandler.firstRun = false;
}
``` - B. ```java
public class CaseTriggerHandler {
public static Boolean firstRun = true;
public static void handle(List<Case> cases) {
for (Case c : cases) { - C. Edit_Count__c = c.Edit_Count__c + 1;
}
}
firstRun = false;
}
}
trigger on Case(before update) {
CaseTriggerHandler.handle(Trigger.new);
}
``` - D. Edit_Count__c = c.Edit_Count__c + 1;
}
}
}
trigger on Case(before update) {
if (CaseTriggerHandler.firstRun) {
CaseTriggerHandler.handle(Trigger.new);
}
CaseTriggerHandler.firstRun = false;
}
``` - E. ```java
public class CaseTriggerHandler {
public static Boolean firstRun = true;
public static void handle(List<Case> cases) {
for (Case c : cases) { - F. ```java
trigger on Case(before update) {
Boolean firstRun = true;
if (firstRun) {
CaseTriggerHandler.handle(Trigger.newMap);
}
firstRun = false;
}
``` - G. ```java
public class CaseTriggerHandler {
Boolean firstRun = true;
public static void handle(List<Case> cases) {
if (firstRun) {
for (Case c : cases) {
Answer: A
Explanation:
This scenario illustrates a classic trigger recursion issue triggered by the Salesforce Order of Execution. When a record is updated, Salesforce runs through a specific sequence: first, it executes "Before-Save" Record- Triggered Flows, then "Before" triggers, followed by "After" triggers, and finally "After-Save" flows and processes. If a process or flow updates the same record that initiated the transaction, the entire cycle of Apex triggers can be re-invoked within that single transaction.
To prevent logic from running multiple times during these re-entrant cycles, developers implement a static boolean variable as a "recursion guard." Static variables in Apex persist for the entire duration of a single transaction. By checking the value of a static boolean at the start of the trigger, the code can determine if it has already processed the current set of records.
Option B is the correct implementation of this pattern. It defines `public static Boolean firstRun = true;` in the handler class. The trigger checks if `firstRun` is true, executes the handler logic, and then immediately sets
`firstRun` to false. Any subsequent execution of the Case trigger within the same transaction will find the variable set to false and skip the increment logic.
Option A is incorrect because it resets `firstRun` to true every time the trigger starts, defeating the guard.
Option C incorrectly uses an instance variable (non-static), which is recreated for every call. Option D uses a local variable within the trigger body, which is re-initialized to true every time the trigger fires, providing no protection against recursion.
NEW QUESTION # 44
Which use case can only be performed by using asynchronous Apex?
- A. Processing high volumes of records
- B. Updating a record after the completion of an insert
- C. Scheduling a batch process to complete in the future
- D. Calling a web service from an Apex trigger
Answer: A
NEW QUESTION # 45
Consider the Apex controller below, that is called from an Aura component:
Line 5 @AuraEnabled
Line 6 public List<String> getStringArray() {
Line 7 String[] arrayltems = new String[]{ 'red', 'green', 'blue' };
Line 8 return arrayltems;
Line 9 }
Line 10}
What is wrong with this code?
- A. Line 6: method must be static
- B. Line 1: class must be global
- C. Line 8: method must first serialize the list to JSON before returning
- D. Lines 1 and 6: class and method must be global
Answer: A
Explanation:
When building Apex controllers for Aura Components (or Lightning Web Components), any method annotated with @AuraEnabled must be defined as static. The snippet provided defines the method getStringArray() as an instance method (public List<String>...) rather than a static method (public static List<String>...).
The Lightning Component framework does not instantiate an object of the Apex class; instead, it calls the method statically. If the method is not static, the framework cannot locate or execute it, resulting in an error.
While global was required in older versions or for managed packages, public is sufficient for code within the same namespace. Apex handles the serialization of standard types like Lists automatically, so manual JSON serialization is not required.
NEW QUESTION # 46
What tool in the Developer Console contains information on SOQL query Cardinality?
- A. View State Tab
- B. Checkpoints tab
- C. Log Inspector
- D. Query Editor
- E. Query Plan Tool
Answer: C
NEW QUESTION # 47
Refer to the following code snippets:
A developer is experiencing issues with a Lightning web component. The component must surface information about Opportunities owned by the currently logged-in user.
When the component is rendered, the following message is displayed: "Error retrieving data".
Which modification should be implemented to the Apex class to overcome the issue?
- A. Use the Continuation=true attribute in the Apex method.
- B. Use the Cacheable=true attribute in the Apex method,
- C. Edit the code to use the w. cut sharing keyword in the Apex class.
- D. Ensure the OWD for the Opportunity object is Public.
Answer: B
NEW QUESTION # 48
What is the transaction limit for the number of records per DML statement?
- A. 10,000
- B. 5,000
- C. 50,000
- D. 20,000
- E. There is no limit
Answer: A
NEW QUESTION # 49
A company uses an external system to manage its custom account territory assignments. Every quarter, millions of Accounts may be updated in Salesforce with new Owners when the territory assignments are completed in the external system. What is the optimal way to update the Accounts from the external system?
- A. Apex REST Web Service
- B. Bulk API
- C. Composite REST API
- D. SOAP API
Answer: A
NEW QUESTION # 50
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