Learn Salesforce CRT-450 Practice Exam To Prepare For Salesforce Certified Platform Developer I Exam

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ITExamShop have updated CRT-450 practice exam for your Salesforce Certified Platform Developer I certification exam. CRT-450 exam course is intended for an individual who has experience developing and deploying basic business logic and user interfaces using the programmatic capabilities of the Salesforce platform, including practical application of the skills and concepts noted in the exam objectives. By covering CRT-450 exam objectives, Salesforce CRT-450 practice exam offer the valid exam questions and answers to ensure that you can prepare for Salesforce Certified Platform Developer I exam well.

Free Questions of CRT-450 Salesforce Certified Platform Developer I Exam are below:

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1. Topic 1, Exam Pool A

Which SOQL query successfully returns the Accounts grouped by name?

SELECT Type, Max(CreatedDate) FROM Account GROUP BY Name

SELECT Name, Max(CreatedDate) FROM Account GROUP BY Name

SELECT Id, Type, Max(CreatedDate) FROM Account GROUP BY Name

SELECT Type, Name, Max(CreatedDate) FROM Account GROUP BY Name LIMIT 5

2. What are three characteristics of static methods? (Choose three.)

Initialized only when a class is loaded

A static variable outside of the scope of an Apex transaction

Allowed only in outer classes

Allowed only in inner classes

Excluded from the view state for a Visualforce page

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

When a record needs to be created

When multiple records related to the triggering record need to be updated

When a post to Chatter needs to be created

When an action needs to be taken on a delete or undelete, or before a DML operation is executed.

4. For which three items can a trace flag be configured? (Choose three.)

Apex Trigger

Apex Class

Process Builder

User

Visualforce

5. What are two benefits of the Lightning Component framework? (Choose two.)

It simplifies complexity when building pages, but not applications.

It provides an event-driven architecture for better decoupling between components.

It promotes faster development using out-of-box components that are suitable for desktop and mobile devices.

It allows faster PDF generation with Lightning components.

6. Where can a developer identify the time taken by each process in a transaction using Developer Console log inspector?

Performance Tree tab under Stack Tree panel

Execution Tree tab under Stack Tree panel

Timeline tab under Execution Overview panel

Save Order tab under Execution Overview panel

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

COUNT, SUM, MIN, MAX

AVERAGE, SUM, MIN, MAX

SUM, MIN, MAX

AVRAGE, COUNT, SUM, MIN, MAX

8. Which statement results in an Apex compiler error?

Map<Id,Leas>lmap = new Map<Id,Lead>([Select ID from Lead Limit 8]);

Date d1 = Date.Today(), d2 = Date.ValueOf(‘2018-01-01’);

Integer a=5, b=6, c, d = 7;

List<string> s = List<string>{‘a’,‘b’,‘c’);

9. A platform developer at Universal Containers needs to create a custom button for the Account object that, when clicked, will perform a series of calculations and redirect the user to a custom Visualforce page.

Which three attributes need to be defined with values in the <apex:page> tag to accomplish this? (Choose three.)

action

renderAs

standardController

readOnly

extensions

10. What should a developer use to implement an automatic Approval Process submission for Cases?

An Assignment Rule

Scheduled Apex

Process Builder

A Workflow Rule

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11. A developer needs to test an Invoicing system integration. After reviewing the number of transactions required for the test, the developer estimates that the test data will total about 2 GB of data storage. Production data is not required for the integration testing.

Which two environments meet the requirements for testing? (Choose two.)

Developer Sandbox

Full Sandbox

Developer Edition

Partial Sandbox

Developer Pro Sandbox

12. A Platform Developer needs to write an Apex method that will only perform an action if a record is assigned to a specific Record Type.

Which two options allow the developer to dynamically determine the ID of the required Record Type by its name? (Choose two.)

Make an outbound web services call to the SOAP AP

Hardcode the ID as a constant in an Apex class.

Use the getRecordTypeInfosByName() method in the DescribeSObjectResult class.

Execute a SOQL query on the RecordType object.

13. Why would a developer consider using a custom controller over a controller extension?

Toincrease the SOQL query governor limits.

To implement all of the logic for a page and bypass default Salesforce functionality

To leverage built-in functionality of a standard controller

To enforce user sharing settings and permissions

14. A Visualforce page is required fordisplaying and editing Case records 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?

controller=“Case” and extensions=“myControllerExtension”

extensions=“myControllerExtension”

controller=“myControllerExtension”

standardController=“Case” and extensions=“myControllerExtension”

15. How should a developer prevent a recursive trigger?

Use a “one trigger per object” pattern.

Use a static Boolean variable.

Use a trigger handler.

Use a private Boolean variable.

16. Given:

Map<ID, Account> accountMap = new Map>ID, Account> ([SELECT Id, Name FROM Account]);

What are three valid Apex loop structures for iterating through items in the collection? (Choose three.)

for (ID accountID : accountMap.keySet()) {…}

for (Account accountRecord : accountMap.values()) {…}

for (Integer i=0; I < accountMap.size(); i++) {…}

for (ID accountID : accountMap) {…}

for (Account accountRecord : accountMap.keySet()) {…}

17. What is a capability of the <ltng:require> tag that is used for loading external Javascript libraries in Lightning Component? (Choose three.)

Loading files from Documents.

One-time loading for duplicate scripts.

Specifying loading order.

Loading scripts in parallel.

Loading externally hosted scripts.

18. Which two strategies should a developer use to avoid hitting governor limits when developing in a multi-tenant environment? (Choose two.)

Use collections to store all fields from a related object and not just minimally required fields.

Use methods from the “Limits” class to monitor governor limits.

Use SOQL for loops to iterate data retrieved from queries that return a high number of rows.

Use variables within Apex classes to store large amounts of data.

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

Which approach should the developer use to accomplish this declaratively?

A Visualforce page that calculates the total number of hours for a timecard and displays it on the page

A Roll-Up Summary field on the TimecardObject that calculates the total hours from timecard entries for that timecard

A Process Builder process that updates a field on the timecard when a timecard entry is created

An Apex trigger that uses an Aggregate Query to calculate the hours for agiven timecard and stores it in a custom field

20. Which three tools can deploy metadata to production? (Choose three.)

Change Set from Developer Org

Force.com IDE

Data Loader

Change Set from Sandbox

Metadata API

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21. Adeveloper needs to join data received from an integration with an external system with parent records in Salesforce. The data set does not contain the Salesforce IDs of the parent records, but it does have a foreign key attribute that can be used to identify the parent.

Which action will allow the developer to relate records in the data model without knowing the Salesforce ID?

Create and populate a custom field on the parent object marked as Unique.

Create a custom field on the child object of typeExternal Relationship.

Create and populate a custom field on the parent object marked as an External I

Create a custom field on the child object of type Foreign Key.

22. While writing a test class that covers an OpportunityLineItem trigger, a Developer is unable to create a standard PriceBook since one already exists in the org.

How should the Developer overcome this problem?

Use Test.getStandardPricebookId() to get the standard PriceBook I

Use @IsTest(SeeAllData=true) and delete the existing standard PriceBook.

Use Test.loadData() and a Static Resource to load a standard Pricebook.

Use @TestVisible to allow the test method to see the standard PriceBook.

23. When an Account’s custom picklist field called Customer Sentiment is changed to a value of “Confused”, a new related Case should automatically be created.

Which two methods should a developer use to createthis case? (Choose two.)

Process Builder

Apex Trigger

Custom Button

Workflow Rule

24. 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?

The API name is not changed and there are no other impacts.

The API name of the field and the reference in the test class is changed.

The API name of the field is changed, and a warning is issued to update the class.

The API name of the field and the reference in the test class is updated.

25. Which two Apex data types can be used to reference a Salesforce record ID dynamically? (Choose two.)

ENUM

sObject

External ID

String

26. A developer writes the following code:

What is the result of the debug statement?

1, 100

1, 150

2, 150

2, 200

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

How are the selected values represented in Apex?

As a List<String> with each value as an element in the list

As a String with each value separated by a comma

As a String with each value separated by a semicolon

As a Set<String> with eachvalue as an element in the set

28. A developer has the controller class below.

Which code block will run successfully in an execute anonymous window?

myFooController m = new myFooController();System.assert(m.prop !=null);

myFooController m = new myFooController();System.assert(m.prop ==0);

myFooController m = new myFooController();System.assert(m.prop ==null);

myFooController m = new myFooController();System.assert(m.prop ==1);

29. Which approach should a developer use to add pagination to a Visualforce page?

A StandardController

The Action attribute for a page

The extensions attribute for a page

A StandardSetController

30. A developer created a Visualforce page and a custom controller with methods to handle different buttons and events that can occur on the page.

What should the developer do to deploy to production?

Create a testclass that provides coverage of the Visualforce page.

Create a test page that provides coverage of the Visualforce page.

Create a test page that provides coverage of the custom controller.

Create a test class that provides coverage of the custom controller.

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31. Universal Containers wants Opportunities to be locked from editing when reaching the Closed/Won stage.

Which two strategies should a developer use to accomplish this? (Choose two.)

Use a Visual Workflow.

Use a validation rule.

Use the Process Automation Settings.

Use a Trigger.

32. A developer encounters APEX heap limit errors in a trigger.

Which two methods should the developer use to avoid this error? (Choose two.)

Use the transient keyword when declaring variables.

Query and store fields from the related object in a collection when updating related objects.

Remove or set collections to null after use.

Use SOQL for loops instead of assigning large queries results to a single collection and looping through the collection.

33. Which two statements are true about using the @testSetup annotation in an Apex test class? (Choose two.)

The @testSetup annotation cannot be used whenthe @isTest(SeeAllData=True) annotation is used.

Test data is inserted once for all test methods in a class.

Records created in the @testSetup method cannot be updates in individual test methods.

The @testSetup method is automatically executed before each test method in the test class is executed.

34. What is the requirement for a class to be used as a custom Visualforce controller?

Any top-level Apex class that has a constructor that returns a PageReference

Any top-level Apex class that extends a PageReference

Any top-level Apex class that has a default, no-argument constructor

Any top-level Apex class that implements the controller interface

35. An org has a single account named ‘NoContacts’ that has no related contacts.

Given the query:

List<Account> accounts = [Select ID, (Select ID, Name from Contacts) fromAccount where Name=‘NoContacts’];

What is the result of running this Apex?

accounts[0].contacts is invalid Apex.

accounts[0].contacts is an empty Apex.

accounts[0].contacts is Null.

A QueryException is thrown.

36. A lead object has a custom field Prior_Email__c.

The following trigger is intended to copy the currentEmail into the Prior_Email__c field any time the Email field is changed:

Which type of exception will this trigger cause?

A null reference exception

A compile time exception

A DML exception

A limit exception when doing a bulk update

37. How should a developer create a new custom exception class?

public class CustomException extends Exception{}

CustomException ex = new (CustomException)Exception();

public class CustomException implements Exception{}

(Exception)CustomException ex = new Exception();

38. How can a developer set up a debug log on a specific user?

It is not possible to setup debug logs for users other than yourself.

Ask the user for access to their account credentials, log in as the user and debug the issue.

Create Apex code that logs code actions into a custom object.

Set up a trace flag for the user, and define a logging level and time period for the trace.

39. A developer is asked to set a picklist field to ‘Monitor’ on any new Leads owned by a subnet of Users.

How should the developer implement this request?

Create an after insertLead trigger.

Create a before insert Lead trigger.

Create a Lead Workflow Rule Field Update.

Create a Lead formula field.

40. Which approach should a developer take to automatically add a “Maintenance Plan” to each Opportunity that includes an “Annual Subscription” when an opportunity is closed?

Build a OpportunityLineItem trigger that adds a PriceBookEntry record.

Build an OpportunityLineItem trigger to add an OpportunityLineItem record.

Build an Opportunity trigger that adds a PriceBookEntry record.

Build an Opportunity trigger that adds an OpportunityLineItem record.

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41. A developer is asked to create a PDF quote document formatted using the company’s branding guidelines, and automatically save it to the Opportunity record.

Which two ways should a developer create this functionality? (Choose two.)

Install an application from the AppExchange to generate documents.

Create a Visualforce page with custom styling.

Create an email template and use it in Process Builder.

Create a visual flow that implements the company’sformatting.

42. Which three options can be accomplished with formula fields? (Choose three.)

Generate a link using the HYPERLINK function to a specific record.

Display the previous value for a field using the PRIORVALUE function.

Determine if a datetime field value has passed using the NOW function.

Return and display a field value from another object using the VLOOKUP function.

Determine which of three different images to display using the IF function.

43. The operation manager at a construction company uses a custom object called Machinery to manage the usage and maintenance of its cranes and other machinery. The manager wants to be able to assign machinery to different constructions jobs, and track the dates and costs associated with each job. More than one piece of machinery can be assigned to one construction job.

What should a developer do to meet these requirements?

Create a lookup field on theConstruction Job object to the Machinery object.

Create a lookup field on the Machinery object to the Construction Job object.

Create a junction object with Master-Detail Relationship to both the Machinery object and the Construction Job object.

Create a Master-Detail Lookup on the Machinery object to the Construction Job object.

44. A developer executes the following query in Apex to retrieve a list of contacts for each account:

List<account> accounts = [Select ID, Name, (Select ID, Name from Contacts) from Account] ;

Which two exceptions may occur when it executes? (Choose two.)

CPU limit exception due to the complexity of the query.

SOQL query row limit exception due to the number of contacts.

SOQL query limit exception due to the number of contacts.

SOQL query row limit exception due to the number of accounts.

45. What are two uses for External IDs? (Choose two.)

To create relationships between records imported from an external system.

To create a record in a development environment with the same Salesforce ID as in another environment

To identify the sObject type in Salesforce

To prevent an importfrom creating duplicate records using Upsert

46. What are two valid options for iterating through each Account in the collection List<Account> named AccountList? (Choose two.)

for (Account theAccount : AccountList) {…}

for(AccountList) {…}

for (List L : AccountList) {…}

for (Integer i=0; i < AccountList.Size(); i++) {…}

47. What is a benefit of using an after insert trigger over using a before insert trigger?

An after insert trigger allows a developer to bypass validation rules when updating fields on the new record.

An afterinsert trigger allows a developer to insert other objects that reference the new record.

An after insert trigger allows a developer to make a callout to an external service.

An after insert trigger allows a developer to modify fields in the new record without a query.

48. A developer needs to create a Visualforce page that displays Case data.The page will be used by both support reps and support managers. The Support Rep profile does not allow visibility of the Customer_Satisfaction__c field, but the Support Manager profile does.

How can the developer create the page to enforce Field Level Security and keep future maintenance to a minimum?

Create one Visualforce Page for use by both profiles.

Use a new Support Manager permission set.

Create a separate Visualforce Page for each profile.

Use a custom controller that has the withsharing keywords.

49. A developer wants to override a button using Visualforce on an object.

What is the requirement?

The controller or extension must have a PageReference method.

The standardController attribute must be set to the object.

The action attribute must be set to a controller method.

The object record must be instantiated in a controller or extension.

50. How should a developer avoidhitting the governor limits in test methods?

Use @TestVisible on methods that create records.

Use Test.loadData() to load data from a static resource.

Use @IsTest (SeeAllData=true) to use existing data.

Use Test.startTest() to reset governor limits.

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Learn Salesforce CRT-450 Practice Exam To Prepare For Salesforce Certified Platform Developer I Exam

Free Questions of CRT-450 Salesforce Certified Platform Developer I Exam are below:

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