Free DEX-450 Exam Dumps Preview

Which action can a developer perform in a before update trigger? (Choose 2)

An org has different Apex Classes that provide Account -related functionality.After a new validation rule is added to the object, many of the test methods fail.

What can be done to resolve the failures and reduce the number of code changes needed for future validation rules?Choose 2 answers:

developer created this Apex trigger that calls MyClass .myStaticMethod: trigger myTrigger on Contact
(before insert) ( MyClass.myStaticMethod(trigger.new, trigger.oldMap); } The developer creates a test class with a test method that calls MyClass.mystaticMethod, resulting in 81% overall code coverage.

What happens when the developer tries to deploy the trigger and two classes to production, assuming no other code exist?

In which order does Salesforce execute events upon saving a record?

From which two locations can a developer determine the overall code coverage for a sandbox? Choose two answers

In the code below, which type does String inherit from? String s = 'Hello World';

A developer creates a new Apex trigger with a helper class, and writes a test class that only exercises 95% coverage of new Apex helper class.

Change Set deployment to production fails with the test coverage warning: "Test coverage of selected Apex Trigger is 0%, at least 1% test coverage is required" What should the developer do to successfully deploy the new Apex trigger and helper class?

Manage package can be created in which type of org?

A visualforce interface is created for Case Management that includes both standard and custom functionality defined in an Apex class called myControllerExtension.
The visualforce page should include which <apex:page> attribute(s) to correctly implement controller functionality?

Which code block returns the ListView of an Account object using the following debug statement?

system.debug(controller.getListViewOptions() );

What is a capability of formula fields? (Choose 3)

When creating a record with a Quick Action, what is the easiest way to post a feed item?

A candidate may apply to multiple jobs at the company Universal Containers by submtting a single application per job posting.

Once an application is submitted for a job posting, that application cannot be modified to be resubmitted to a different job posting.What can the administrator do to associate an application with each job posting in the schema for the organization?

A developer needs to create records for the object Property__c. The developer creates the following code
block:List propertiesToCreate = helperClass.createProperties();try { // line 3 }
catch (Exception exp ) { //
exception

handling }

Which line of code would the developer insert at line 3 to ensure that at least some records are created, even if a few records have errors and fail to be created?

Which resource can be included in a Lightning Component bundle?Choose 2 answers

A newly hired developer discovers that there are multiple triggers on the case object.

What should the developer consider when working with triggers?

A developer needs to create a Visualforce page that will override the standard Account edit button. The page will be used to validate the account's address using a SOQL query. The page will also allow the user to make edits to the address.

Where would the developer write the Account address verification logic?

Which two queries can a developer use in a Visualforce controller to protect against SOQL injection vulnerabilities? Choose 2 answers

What features are available when writing apex test classes?(Choose 2 Answers)

Which one do you like?

What should a developer consider for an environment that has over 10,000 Case records?

A developer writes a trigger on the Account object on the before update event that increments a count field. A workflow rule also increments the count field every time that an Account is created or update. The field update in the workflow rule is configured to not re-evaluate workflow rules.

What is the value of the count field if an Account is inserted with an initial value of zero, assuming no other automation logic is implemented on the Account?

Cloud Kicks Fitness, an ISV Salesforce partner, is developing a managed package application. One of the application modules allows the user to calculate body fat using the apex class, Bodyfat, and its method, calculateBodyfat(). The product owner wants to ensure this method is accessible by the consumer of the application when developing customizer outside the ISV's package namespace.

Which approach should a developer take to ensure calculateBodyFat() is accessible outside the package namespace?

Which two are true regarding a Dyno? Choose 2 answers

A developer has the following code:

try {List nameList;Account a;String s = a.Name;nameList.add(s);} catch (ListException le ) {System.debug('
List Exception ');} catch (NullPointerException npe) {System.debug('

NullPointer Exception ');}
catch (Exception e) {System.debug(' Generic Exception ');}

What message will be logged?

How many level of child records can be returned in a single SOQL query from one parent object?

A developer working on a time management application wants to make total hours for each timecard available to applications users. A timecard entry has a Master-Detail relationship to a timecard.

Which approach should the developer use to accomplish this declaratively?

Which set of roll-up types are available when creating a roll-up summary field?

A developer creates an Apex class that includes private methods.

What can the developer do to ensure that the private methods can be accessed by the test class?

Which type of information is provided by the Checkpoints tab in the Developer Console? (Choose 2)

Which requirement needs to be implemented by using standard workflow instead of Process Builder? Choose 2 answers

A developer runs the following anonymous code block in a Salesforce org with 100 accounts List acc=
{select id from account limit 10}; delete acc; database.emptyrecyclebin(acc); system.debug (limits.getlimitqueries()+' ,'+Limits.getlimitDMLStatements());

What is the debug output?

What are two ways a developer can get the status of an enquered job for a class that queueable interface? Choose 2 answers

In an organization that has enabled multiple currencies, a developer needs to aggregate the sum of the Estimated_value__c currency field from the CampaignMember object using a roll-up summary field called Total_estimated_value__c on Campaign.

A developer must create a Lightning component that allows user to input Contact record information to create a Contact record, including a Salary__c custom field.

What should the developer use, along with a lightning-record-edit-form, so that Salary__c field functions as a currency input and is only viewable and editable by users that have the correct field level permissions on Salary__c?

The account object has a custom percent field, rating, defined with a length of 2 with 0 decimal places. An account record has the value of 50% in its rating field and is processed in the apex code below after being
retrieved from the database with SOQL public void processaccount(){ decimal acctscore = acc.rating__c *
100; }

What is the value of acctscore after this code executes?

Which Apex collection is used to ensure that all values are unique?

A candidate may apply to multiple jobs at the company Universal Containers by submitting a single application per job posting, that application cannot be modified to be resubmitted to a different job posting.

What can the administrator do to associate an application with each job posting in the schema for the organization?

Which three statements are true regarding the @istest annotation? Choose 3 answers

When a user edits the Postal Code on an Account, a custom Account text field named "Timezone" must be update based on the values in a PostalCodeToTimezone__c custom object.

How should a developer implement this feature?

A developer is creating a test coverage for a class and needs to insert records to validate functionality.

Which method annotation should be used to create records for every method in the test class?

What is a correct pattern to follow when programming in Apex on a Multi-tenant platform?

Given the code block: Integer x;
For(x=0;x<10; x+=2) { If(x==8) break;
If(x==10) break; } System.debug(x);

Which value will the system debug statement display?

A custom exception "RecordNotFoundException" is defined by the following code of block.public class RecordNotFoundException extends Exception()which statement can a developer use to throw a custom exception?choose 2 answers

A developer has the following code block:

public class PaymentTax {public static decimal SalesTax = 0.0875;} trigger OpportunityLineItemTrigger on
OpportunityLineItem (before insert, before update) {PaymentTax PayTax = new PaymentTax();decimal
ProductTax = ProductCost * XXXXXXXXXXX;}

To calculate the productTax, which code segment would a developer insert at the XXXXXXXXXXX to make the value the class variable SalesTax accessible within the trigger?

A developer needs to avoid potential system problems that can arise in a multi-tenant architecture.

Which requirement helps prevent poorty written applications from being deployed to a production environment?

Which resource can be included in a Lightning Component bundle? Choose 2 answers

Why would a developer use Test.
startTest( ) and Test.stopTest( )?

A developer needs to find information about @future methods that were invoked.
From which system monitoring feature can the developer see this information?

A developer created a Visualforce page with a custom controller to show a list of accounts. The page uses
the <apex:SelecList> component, with a variable called "selection", to show the valid values for
Account.Type. The page uses an <apex:pageBlockTable> component to display the list of accounts,
where the iteration variable is "acct". The developer wants to ensure that when a user selects a type on the
<apex : selectList> component, only accounts with that type are shown on the page.

What should the developer do to accomplish this?

How can a developer get all of the available record types for the current user on the case object?

Using the Schema Builder, a developer tries to change the API name of a field that is referenced in an Apex test class.

What is the end result?

A developer wants to store a description of a product that can be entered on separate lines by a user during product setup and later displayed on a Visualforce page for shoppers.

Which field type should the developer choose to ensure that the description will be searchable in the custom Apex SOQL queries that are written?

A developer must provide a custom user interface when users edit a Contact. Users must be able to use the interface in Salesforce Classic and Lightning Experience.

What should the developer do to provide the custom user interface?

A developer in a Salesforce org with 100 Accounts executes the following code using the Developer console:

Account myAccount = new Account(Name = 'MyAccount');Insert myAccount;For (Integer x = 0; x < 250; x+
+)

{Account newAccount = new Account (Name='MyAccount' + x);try {Insert newAccount;}catch (Exception
ex) {System.debug (ex) ;}}insert new Account (Name='myAccount');

How many accounts are in the org after this code is run?

A developer created a helper class with a method that can be called from Visualforce pages, web services, triggers, and of even anonymous code. When the method is called from a trigger, the developer needs to execute logic that should not be executed If the method Is called from anywhere else.

How can the developer determine if the code Is executed in a trigger context?

In a single record, a user selects multiple values from a multi-select picklist.

How are the selected values represented in Apex?

A company that uses a Custom object to track candidates would like to send candidate information automatically to a third -party human resource system when a candidate is hired.

What can a developer do to accomplish this task?

Which option should a developer use to create 500 Accounts and make sure that duplicates are not created for existing Account Sites?

Which collection type provides unique key/value pairings of data?

In the code below, what type does Boolean inherit from?

Boolean b= true;

A developer needs to confirm that a Contact trigger works correctly without changing the organization's data.
what should the developer do to test the Contact trigger?

A developer is asked to create a custom visualforce page that will be used as a dashboard component.

Which three are valid controller options for this page? Choose 3 answers

A company has a custom object named Warehouse.

Each Warehouse record has a distinct record owner, and is related to a parent Account in Salesforce.Which kind of relationship would a developer use to relate the Account to the Warehouse?

Universal Containers has an order system that uses an Order Number to identify an order for customers and service agents. Order will be imported into Salesforce.

What is a valid way of loading external JavaScript files into a Visualforce page? (Choose 2)

When is an Apex Trigger required instead of a Process Builder Process?

What is the result of the debug statements in testMethod3 when you create test data using testSetup in below code?

Requirements state that a child record be to deleted when its parent is deleted, and a child can be moved to a different parent when necessary.

Which type of relationship should be built between the parent and child objects in Schema Builder to support these requirements?

Which statement is true about developing in a multi-tenant environment?