New 2021 CRT-450 exam questions Welcome to download the newest Free4Torrent CRT-450 PDF dumps (364 Q&As)
P.S. Free 2021 Salesforce Developers CRT-450 dumps are available on Google Drive shared by Free4Torrent
NEW QUESTION 13
Which two operations can be performed using a formula field? Choose 2 answers
- A. Displaying an Image based on the Opportunity Amount (Missed)
- B. Calculating a score on a Lead based on the information from another field (Missed)
- C. Displaying the last four digits of an encrypted Social Security number
- D. Triggering a Process Builder
Answer: A,B
NEW QUESTION 14
Which option would a developer use to display the Accounts created in the current week and the number of related Contacts using a debug statement in Apex?
- A. For(Account acc:[SELECT Id, Name, Account.Contacts FROM Account WHERE CreatedDate = CURRENT_WEEK]) { List cons = acc.Account.Contacts; System.debug(acc.Name + ' has ' + cons.size() + 'Contacts'); }
- B. For(Account acc: [SELECT Id, Name, (SELECT Id, Name FROM Contacts) FROM Account WHERE CreatedDate = CURRENT_WEEK]){ List cons = acc.Contacts; System.debug(acc.Name + ' has ' + cons.size() + 'Contacts'); }
- C. For(Account acc: [SELECT Id, Name,(SELECT Id, Name FROM Contacts) FROM Account WHERE CreatedDate = THIS_WEEK]) { List cons = acc.Contacts; System.debug(acc.Name + ' has ' + cons.size() + 'Contacts'; }
- D. For(Account acc: [SELECT Id, Name, Account.Contacts FROM Account WHERE CreatedDate = THIS_WEEK]){ List cons = acc.Account.Contacts; System.debug(acc.Name + ' has ' + cons.size() +
'Contacts' }
Answer: C
NEW QUESTION 15
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:
- A. Create a method that loads valid Account records from a Static Resource, and call this method within test methods.
- B. Create a method that queries for valid Account records, and call this method from within test methods.
- C. Create a method that performs a callout for a valid Account record, and call this method from within test methods.
- D. Create a method that creates valid Account records, and call this method from within test methods.
Answer: A,D
NEW QUESTION 16
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?
- A. Extensions=" myControllerExtension"
- B. Controller = "case" and extensions =" myControllerExtension"
- C. StandardController = "case" and extensions =" myControllerExtension"
- D. Controller=" myControllerExtension"
Answer: C
NEW QUESTION 17
An apex trigger fails because it exceeds governor limits. Which two techniques should a developer use to resolve the problem? Choose 2 answers
- A. Use SOQL aggregate queries to retrieve child records
- B. Use lists for all DML operations
- C. Use the database class to handle DML operations
- D. Use maps to reference related records
Answer: B,D
NEW QUESTION 18
How should a developer create a new custom exception class?
- A. public class CustomException extends Exception{}
- B. public class CustomException implements Exception{}
- C. (Exception)CustomException ex = new Exception();
- D. CustomException ex = new (CustomException)Exception();
Answer: A
NEW QUESTION 19
The following Apex method is part of the ContactServiceclass that is called from a trigger:
How should the developer modify the code to ensure best practices are met?
- A.
- B.
- C.
- D.
Answer: A
NEW QUESTION 20
A developer writes the following code:
What is the result of the debug statement?
- A. 1, 150
- B. 1, 100
- C. 2, 150
- D. 2, 200
Answer: C
NEW QUESTION 21
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-05: The Lead in a before insert trigger cannot be updated.
- B. Line-02: A NullPointer exception is thrown if PostalCode is null.
- C. Line-03: A SOQL query is located inside of the for loop code.
- D. Line-01: Trigger:new is not valid in a before insert Trigger.
Answer: C
NEW QUESTION 22
A method is passed a list of generic sObjects as a parameter.
What should the developer do to determine which object type (Account, Lead, or Contact, for example) to cast each sObject?
- A. Use the first three characters of the sObject ID to determine the sObject type.
- B. Use a try-catch construct to cast the sObject into one of the three sObject types.
- C. Use the getSObjectType method on each generic sObject to retrieve the sObject token.
- D. Use the getSObjectName method on the sObject class to get the sObject name.
Answer: C
NEW QUESTION 23
Why would a developer consider using a custom controller over a controller extension?
- A. To implement all of the logic for a page and bypass default Salesforce functionality
- B. To leverage built-in functionality of a standard controller
- C. To enforce user sharing settings and permissions
- D. To increase the SOQL query governor limits.
Answer: A
NEW QUESTION 24
On a Visualforce page with a custom controller, how should a developer retrieve a record by using an ID that is passed on the URL?
- A. Use the tag in the Visualforce page.
- B. Use the $Action.View method in the Visualforce page.
- C. Create a new PageReference object with the Id.
- D. Use the constructor method for the controller.
Answer: D
NEW QUESTION 25
When loading data into an operation, what can a developer do to match records to update existing records? (Choose 2)
- A. Match an auto-generated Number field to a column in the imported file.
- B. Match the Id field to a column in the imported file.
- C. Match the Name field to a column in the imported file.
- D. Match an external Id Text field to a column in the imported file.
Answer: B,D
NEW QUESTION 26
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 27
When can a developer use a custom Visualforce page in a Force.com application? (Choose 2)
- A. To generate a PDF document with application data
- B. To deploy components between two organizations
- C. To create components for dashboards and layouts
- D. To modify the page layout settings for a custom object
Answer: A,C
NEW QUESTION 28
From which 2 locations can a developer determine the overall code coverage for a sandbox?
- A. The apex test execution page
- B. The apex classes setup page
- C. The test suite run panel of the developer console
- D. The tests tab of the developer console
Answer: B,D
NEW QUESTION 29
......
CRT-450 exam questions from Free4Torrent dumps: https://www.free4torrent.com/CRT-450-braindumps-torrent.html (364 Q&As)
Free 2021 Salesforce Developers CRT-450 dumps are available on Google Drive shared by Free4Torrent: https://drive.google.com/open?id=1_vNLImR82fctzMQJSQqXPKy0nnUAvriF