Certified CRT-450 Class 2021

NEW QUESTION 1
The Review_c object have a lookup relationship to the job_Application_c object. The job_Application_c object has a master detail relationship up to the position_c object. The relationship is based on the auto populated defaults?
What is the recommended way to display field data from the related Review _C records a Visualforce page for a single Position_c record? Select one of the following:

• A. Utilize the Standard Controller for Position_c and cross-object Formula Fields on the Job_Application_c object to display Review_c data.
• B. Utilize the Standard Controller for Position_c and a Controller Extension to query for Review_c data.
• C. Utilize the Standard Controller for Position_c and expression syntax in the Page to display related Review_c through the Job_Applicacion_c inject.
• D. Utilize the Standard Controller for Position_c and cross-object Formula Fields on the Review_c object to display Review_c data.

Answer: B

NEW QUESTION 2
Which two number expressions evaluate correctly? (Choose two.)

• A. Double d = 3.14159;
• B. Integer I = 3.14159;
• C. Decimal d = 3.14159;
• D. Long l = 3.14159;

Answer: AC

NEW QUESTION 3
Which code segment can be used to control when the dowork() method is called?

• A. For (Trigger.isRunning t: Trigger.new) { dowork(); }
• B. If(Trigger.isRunning) dowork();
• C. For (Trigger.isInsert t: Trigger.new) { dowork(); }
• D. If(Trigger.isInsert) dowork();

Answer: D

NEW QUESTION 4
Which two number expression evaluate correctly? Choose 2 answers

• A. Integer I = 3.14159;
• B. Decimal D = 3.14159;
• C. Long I = 3.14159;
• D. Double D =3.14159;

Answer: BD

NEW QUESTION 5
Which three options allow a developer to use custom styling in a Visualforce page? (Choose three.)

• A. <apex:stylesheet> tag
• B. Inline CSS
• C. <apex:style>tag
• D. <apex:stylesheets>tag
• E. A static resource

Answer: ABE

NEW QUESTION 6
What are the supported content sources for custom buttons and links? (Choose 2 Answers)

• A. VisualForce Page.
• B. Static Resource.
• C. URL.
• D. Chatter File.
• E. Lightning Pag

Answer: AC

NEW QUESTION 7
When creating unit tests in Apex, which statement is accurate?Choose 2

• A. Unit tests with multiple methods result in all methods failing every time one method fails.
• B. Increased test coverage requires large test classes with many lines of code in one method.
• C. Triggers do not require any unit tests in order to deploy them from sandbox to production.
• D. System Assert statements that do not Increase code coverage contribute important feedback in unit tests

Answer: BD

NEW QUESTION 8
A developer uses a before insert trigger on the Lead object to fetch the Territory c object, where the Territory c.PostalCode c matches the Lead.PostalCode. The code fails when the developer uses the Apex Data Loader to insert 10,000 Lead records. The developer has the following code block: Line-01: for (Lead l : Trigger.new){Line-02: if (l.PostalCode != null) {Line-03: List<Territory__c> terrList = [SELECT Id FROM Territory c WHERE PostalCode c = :l.PostalCode];Line-04: if(terrList.size() > 0) Line-05: l.Territory c = terrList[0].Id; Line-06: }Line-07: }Which line of code is causing the code block to fail?

• A. Line-03: A SOQL query is located inside of the for loop code.
• B. Line-01: Trigger:new is not valid in a before insert Trigger.
• C. Line-02: A NullPointer exception is thrown if PostalCode is null.
• D. Line-05: The Lead in a before insert trigger cannot be update

Answer: A

NEW QUESTION 9
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?

• A. A null reference exception
• B. A compile time exception
• C. A DML exception
• D. A limit exception when doing a bulk update

Answer: C

NEW QUESTION 10
When creating a record with a Quick Action, what is the easiest way to post a feed item?

• A. By selecting create feed item on the quick action.
• B. By adding a trigger on the new record.
• C. By adding a workflow rule on the new record.
• D. By selecting create case feed on the new recor

Answer: A

NEW QUESTION 11
What are two valid options for iterating through each Account in the collection List<Account> named AccountList? (Choose two.)

• A. for (Account theAccount : AccountList) {…}
• B. for(AccountList) {…}
• C. for (List L : AccountList) {…}
• D. for (Integer i=0; i < AccountList.Size(); i++) {…}

Answer: AD

NEW QUESTION 12
What is a capability of cross-object formula fields? Choose 3 answers

• A. Formula fields can reference fields from master-detail or lookup parent relationships.
• B. Formula fields can expose data the user does not have access to in a record.
• C. Formula fields can be used in three roll-up summaries per object.
• D. Formula fields can reference fields in a collect of records from a child relationship.
• E. Formula fields can reference fields from objects that are up to 10 relationships awa

Answer: ABE

NEW QUESTION 13
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?

• A. Create an after insert Lead trigger.
• B. Create a before insert Lead trigger.
• C. Create a Lead Workflow Rule Field Update.
• D. Create a Lead formula fiel

Answer: C

NEW QUESTION 14
What are two uses for External IDs? (Choose two.)

• A. To create relationships between records imported from an external system.
• B. To create a record in a development environment with the same Salesforce ID as in another environment
• C. To identify the sObject type in Salesforce
• D. To prevent an import from creating duplicate records using Upsert

Answer: AD

NEW QUESTION 15
A developer tasked with creating a schema to track Movies, Actors, and contracts. A single movie can have many contracts and a single actor can have many contracts. Each contract is owned and actively managed by a single user. Which schema should be created to enable user to easily manage the contract they own; without requiring access to the movie or the actor records?

• A. A master detail relationship to the movie object and a lookup relationship to the actor object
• B. A lookup relationship to the movie object and a lookup relationship to the actor object
• C. A lookup relationship to the movie object and a master detail relationship to the actor object
• D. A master detail relationship to the movie object and a master detail relationship to the actor object

Answer: B

NEW QUESTION 16
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. 2
• B. 10
• C. 8
• D. 4

Answer: C

NEW QUESTION 17
What is a good practice for a developer to follow when writing a trigger? (Choose 2)

• A. Using @future methods to perform DML operations.
• B. Using the Map data structure to hold query results by ID.
• C. Using the Set data structure to ensure distinct records.
• D. Using synchronous callouts to call external system

Answer: BC

NEW QUESTION 18
When would a developer use a custom controller instead of a controller extension? Choose 2 answers:

• A. When a Visualforce page needs to replace the functionality of a standard controller.
• B. When a Visualforce page does not reference a single primary object.
• C. When a Visualforce page should not enforce permissions or field-level security.
• D. When a Visualforce page needs to add new actions to a standard controlle

Answer: BC

NEW QUESTION 19
Which resource can be included in a Lightning Component bundle? Choose 2 answers

• A. Apex class
• B. Adobe Flash
• C. JavaScript
• D. Documentation

Answer: CD

NEW QUESTION 20
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.)

• A. Developer Sandbox
• B. Full Sandbox
• C. Developer Edition
• D. Partial Sandbox
• E. Developer Pro Sandbox

Answer: BD

NEW QUESTION 21
Which user can edit a record after it has been locked for approval? (Choose 2)

• A. Any user with a higher role in the hierarchy
• B. A user who is assigned as the current approver
• C. Any user who approved the record previously
• D. An administrator

Answer: BD

NEW QUESTION 22
A developer creates a new Visualforce page and Apex extension, and writes test classes that exercise 95% coverage of the new Apex extension.Change set deployment to production fails with the test coverage warning: "Average test coverage across all Apex classes and triggers is 74%, at least 75% test coverage is required."What can the developer do to successfully deploy the new Visualforce page and extension?

• A. Create test classes to exercise the Visualforce page markup.
• B. Select "Disable Parallel Apex Testing" to run all the tests.
• C. Add test methods to existing test classes from previous deployments.
• D. Select "Fast Deployment'' to bypass running all the test

Answer: C

NEW QUESTION 23
What should a developer working in a sandbox use to exercise a new test Class before the developer deploys that test production?Choose 2 answers

• A. The REST API and ApexTestRun method
• B. The Apex Test Execution page in Salesforce Setup.
• C. The Test menu in the Developer Console.
• D. The Run Tests page in Salesforce Setu

Answer: BC

NEW QUESTION 24
How would a developer change the field type of a custom field on the Account object from string to an integer?

• A. Make the changes in the developer console, and then the change will automatically be reflected in the Apex code.
• B. Mate the change in the declarative UI, then update the field type to an integer field in the Apex code.
• C. Make the change in the declarative UI, an then the change will automatically be reflected in the Apex code.
• D. Remove all references in the code, make the change in the declarative UI, and restore the references with the new typ

Answer: D

NEW QUESTION 25
How should a developer create a new custom exception class?

• A. public class CustomException extends Exception{}
• B. CustomException ex = new (CustomException)Exception();
• C. public class CustomException implements Exception{}
• D. (Exception)CustomException ex = new Exception();

Answer: A

NEW QUESTION 26
What is the proper process for an Apex Unit Test

• A. Query for test data using SeeAllData = tru
• B. Call the method being teste
• C. Verify that the results are correct.
• D. Query for test data using SeeAllData = tru
• E. Execute runAllTests(). Verify that the results are correct.
• F. Create data for testin
• G. Execute runAllTests(). Verify that the results are correct.
• H. Create data for testin
• I. Call the method being teste
• J. Verify that the results are correc

Answer: D

NEW QUESTION 27
A developer wants to create a custom object to track Customer Invoices.How should Invoices and Accounts be related to ensure that all Invoices are visible to everyone with access to an Account?

• A. The Account should have a Master-Detail relationship to the Invoice.
• B. The Invoice should have a Master-Detail relationship to the Account
• C. The Account should have a Lookup relationship to the Invoice
• D. The Invoice should have a Lookup relationship to the Account Previous

Answer: B

NEW QUESTION 28
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