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

NEW QUESTION 1
For which three items can a trace flag be configured? (Choose three.)

• A. Apex Trigger
• B. Apex Class
• C. Process Builder
• D. User
• E. Visualforce

Answer: ABD

NEW QUESTION 2
Developer needs to automatically populate the Reports To field in a Contact record based on the values of the related Account and Department fields in the Contact record. Which type of trigger would the developer create? Choose 2 answers

• A. Before update
• B. After insert
• C. Before insert
• D. After update

Answer: AC

NEW QUESTION 3
Which two are true regarding a Dyno? Choose 2 answers

• A. Is a light weight VM used to run code on the Heroku Platform
• B. Has the ability to sleep as a standard and performance Dyno
• C. Is a lightweight Linux container used in a collection to run Heroku applications
• D. Has Ephemeral filesystems and is rebooted every 24 hour

Answer: CD

NEW QUESTION 4
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 create components for dashboards and layouts
• C. To deploy components between two organizations
• D. To modify the page layout settings for a custom object

Answer: AB

NEW QUESTION 5
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?

• A. Create one Visualforce Page for use by both profiles.
• B. Use a new Support Manager permission set.
• C. Create a separate Visualforce Page for each profile.
• D. Use a custom controller that has the with sharing keyword

Answer: D

NEW QUESTION 6
Which statement should a developer avoid using inside procedural loops? (Choose 2)

• A. System.debug('Amount of CPU time (in ms) used so far: ' + Limits.getCpuTime() );
• B. List contacts = [SELECT Id, Salutation, FirstName, LastName, Email FROM Contact WHERE AccountId = :a.Id];
• C. If(o.accountId == a.id)
• D. Update contactList;

Answer: BD

NEW QUESTION 7
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 < 150; 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. 101
• B. 100
• C. 102
• D. 252

Answer: B

NEW QUESTION 8
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?

• A. Create a lookup field on the Construction Job object to the Machinery object.
• B. Create a lookup field on the Machinery object to the Construction Job object.
• C. Create a junction object with Master-Detail Relationship to both the Machinery object and the Construction Job object.
• D. Create a Master-Detail Lookup on the Machinery object to the Construction Job objec

Answer: A

NEW QUESTION 9
Which type of information is provided by the Checkpoints tab in the Developer Console? (Choose 2)

• A. Namespace
• B. Time
• C. Exception
• D. Debug Statement

Answer: AB

NEW QUESTION 10
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.)

• A. CPU limit exception due to the complexity of the query.
• B. SOQL query row limit exception due to the number of contacts.
• C. SOQL query limit exception due to the number of contacts.
• D. SOQL query row limit exception due to the number of account

Answer: CD

NEW QUESTION 11
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. The API name is not changed and there are no other impacts.
• B. The API name of the field and the reference in the test class is changed.
• C. The API name of the field is changed, and a warning is issued to update the class.
• D. The API name of the field and the reference in the test class is update

Answer: C

NEW QUESTION 12
A developer has a single custom controller class that works with a Visualforce Wizard to support creating and editing multiple sObjects. The wizard accepts data from user inputs across multiple Visualforce pages and from a parameter on
the initial URLWhich statement is unnecessary inside the unit test for the custom controller?

• A. Public ExtendedController (ApexPages.StandardController cntrl) { }
• B. ApexPages.currentPage().getParameters().put('input', 'TestValue')
• C. Test.setCurrentPage(pageRef),
• D. String nextPage = controller.save().getUrl();

Answer: AD

NEW QUESTION 13
A developer creates a custom controller and custom Visualforce page by using the following code block:public class myController {public String myString;public String getMyString() {return 'getmyString';}public String getStringMethod1() {return myString;}public String getStringMethod2() {if (myString == null)myString = 'Method2';return myString;}}{!myString}, {!StringMethod1}, {!StringMethod2}, {!myString}What does the user see when accessing the custom page?

• A. GetMyString , , Method2 , getMystring
• B. , , Method2 , getMyString
• C. , , Method2,
• D. GetMyString , , ,

Answer: A

NEW QUESTION 14
Which set of roll-up types are available when creating a roll-up summary field?

• A. COUNT, SUM, MIN, MAX
• B. AVERAGE, SUM, MIN, MAX
• C. SUM, MIN, MAX
• D. AVRAGE, COUNT, SUM, MIN, MAX

Answer: A

NEW QUESTION 15
Which action can a developer perform in a before update trigger? (Choose 2)

• A. Display a custom error message in the application interface.
• B. Change field values using the Trigger.new context variable.
• C. Delete the original object using a delete DML operation.
• D. Update the original object using an update DML operatio

Answer: AB

NEW QUESTION 16
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 create this case? (Choose two.)

• A. Process Builder
• B. Apex Trigger
• C. Custom Button
• D. Workflow Rule

Answer: AB

NEW QUESTION 17
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 18
A developer created a Lightning component to display a short text summary for an object and wants to use it with multiple Apex classes.
How should the developer design the Apex classes?

• A. Have each class define method getObject() that returns the sObject that is controlled by the Apex class.
• B. Extend each class from the same base class that has a method getTextSummary() that returns the summary.
• C. Have each class implement an interface that defines method getTextSummary() that returns the summary.
• D. Have each class define method getTextSummary() that returns the summar

Answer: C