CRT-450 Exam - Salesforce Certified Platform Developer I (SU18)

NEW QUESTION 1
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) from Account where Name=‘NoContacts’]; What is the result of running this Apex?

• A. accounts[0].contacts is invalid Apex.
• B. accounts[0].contacts is an empty Apex.
• C. accounts[0].contacts is Null.
• D. A QueryException is throw

Answer: B

NEW QUESTION 2
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 3
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 4
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 5
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 6
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?

• A. In a Standard Extension.
• B. In a Standard Controller.
• C. In a Custom Controller.
• D. In a Controller Extensio

Answer: D

NEW QUESTION 7
What is the result of the debug statements in testMethod3 when you create test data using testSetup in below code?

• A. Account0.Phone=333-8781, Account1.Phone=333-8780
• B. Account0.Phone=888-1515, Account1.Phone=999-2525
• C. Account0.Phone=333-8780, Account1.Phone=333-8781
• D. Account0.Phone=888-1515, Account1.Phone=999-1515

Answer: C

NEW QUESTION 8
What is the result of the following code block ?
Integer x = 1;Integer Y = 0;While(x < 10){Y++;}

• A. An error occurs
• B. Y = 9
• C. Y = 10
• D. X = 0

Answer: A

NEW QUESTION 9
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. Create a master-detail relationship in the Job Postings custom object to the Applications custom object.
• B. Create a master-detail relationship in the Application custom object to the Job Postings custom object.
• C. Create a lookup relationship on both objects to a junction object called Job Posting Applications.
• D. Create a lookup relationship in the Applications custom object to the Job Postings custom object

Answer: A

NEW QUESTION 10
Which approach should a developer use to add pagination to a Visualforce page?

• A. A StandardController
• B. The Action attribute for a page
• C. The extensions attribute for a page
• D. A StandardSetController

Answer: D

NEW QUESTION 11
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. Throw new RecordNotFoundException("problem occured");
• B. Throw new RecordNotFoundException();
• C. throw RecordNotFoundException("problem occured");
• D. Throw RecordNotFoundException();

Answer: AB

NEW QUESTION 12
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 13
In a single record, a user selects multiple values from a multi-select picklist. How are the selected values represented in Apex?

• A. As a String with each value separated by a comma
• B. As a Set with each value as an element in the set
• C. As a String with each value separated by a semicolon
• D. As a List with each value as an element in the list Previous

Answer: C

NEW QUESTION 14
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 15
Which statement results in an Apex compiler error?

• A. Map<Id,Leas> lmap = new Map<Id,Lead>([Select ID from Lead Limit 8]);
• B. Date d1 = Date.Today(), d2 = Date.ValueOf(‘2021-01-01’);
• C. Integer a=5, b=6, c, d = 7;
• D. List<string> s = List<string>{‘a’,‘b’,‘c’);

Answer: D

NEW QUESTION 16
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?

• A. List Exception
• B. NullPointer Exception
• C. Generic Exception
• D. No message is logged

Answer: B

NEW QUESTION 17
Which declarative method helps ensure quality data? (Choose 3)

• A. Validation Rules
• B. Workflow alerts
• C. Exception Handling
• D. Lookup Filters
• E. Page Layouts

Answer: ADE

NEW QUESTION 18
A developer creates a method in an Apex class and needs to ensure that errors are handled properly.What would the developer use? (There are three correct answers.)

• A. ApexPages.addErrorMessage()
• B. A custom exception
• C. .addError()
• D. Database.handleException()
• E. A try/catch construct

Answer: BCE