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

NEW QUESTION 1
What is an important consideration when developing in a multi-tenant environment?

• A. Governor limits prevent tenants from impacting performance in multiple orgs on the same instance.
• B. Unique domain names take the place of namespaces for code developed for multiple orgs on multiple instances.
• C. Polyglot persistence provides support for a global, multilingual user base in multiple orgs on multiple instances.
• D. Org-wide data security determines whether other tenants can see data in multiple orgs on the same instanc

Answer: A

NEW QUESTION 2
Which approach should be used to provide test data for a test class?

• A. Query for existing records in the database.
• B. Execute anonymous code blocks that create data.
• C. Use a test data factory class to create test data.
• D. Access data in @TestVisible class variable

Answer: C

NEW QUESTION 3
What are two testing consideration when deploying code from a sandbox to production? Choose 2 answers

• A. 75% of test must execute without failure
• B. 100% of test must execute without failure
• C. Apex code requires 75% coverage
• D. Apex code requires 100% coverage

Answer: BC

NEW QUESTION 4
A developer creates an Apex helper class to handle complex trigger logic. How can the helper class warn users when the trigger exceeds DML governor limits?

• A. By using PageReference.setRedirect() to redirect the user to a custom Visualforce page before the number of DML statements is exceeded.
• B. By using Messaging.sendEmail() to continue toe transaction and send an alert to the user after the number of DML statements is exceeded.
• C. By using AmexMessage.Messages() to display an error message after the number of DML statements is exceeded.
• D. By using Limits.getDMLRows() and then displaying an error message before the number of DML statements is exceeded.

Answer: D

NEW QUESTION 5
Which actions can a developer perform using the Schema Builder?Choose 2 answers

• A. Create a custom field and automatically add it to an existing page layout.
• B. Create a view containing only standard and system objects.
• C. Create a custom object and define a lookup relationship on that object
• D. Create a view of objects and relationships without fields

Answer: BC

NEW QUESTION 6
Why would a developer use Test. startTest( ) and Test.stopTest( )?

• A. To avoid Apex code coverage requirements for the code between these lines
• B. To start and stop anonymous block execution when executing anonymous Apex code
• C. To indicate test code so that it does not Impact Apex line count governor limits.
• D. To create an additional set of governor limits during the execution of a single test clas

Answer: D

NEW QUESTION 7
What features are available when writing apex test classes?(Choose 2 Answers)

• A. The ability to select error types to ignore in the developer console.
• B. The ability to write assertions to test after a @future method.
• C. The ability to set and modify the CreatedDate field in apex tests.
• D. The ability to set breakpoints to freeze the execution at a given point.
• E. The ability to select testing data using csv files stored in the syste

Answer: CE

NEW QUESTION 8
What is a benefit of the lightning component framework?

• A. Better integration with Force.com sites
• B. Better performance for custom Salesforce1 Mobile Apps
• C. More Centralized control via server-side logic
• D. More pre-built components to replicate the salesforce look and feel

Answer: D

NEW QUESTION 9
How can a developer avoid exceeding governor limits when using Apex Triggers? (Choose 2)

• A. By using a helper class that can be invoked from multiple triggers
• B. By using Maps to hold data from query results
• C. By using the Database class to handle DML transactions
• D. By performing DML transactions on a list of sObject

Answer: BD

NEW QUESTION 10
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 11
Which Apex collection is used to ensure that all values are unique?

• A. A Set
• B. An Enum
• C. A List
• D. An sObject

Answer: A

NEW QUESTION 12
What is a valid way of loading external JavaScript files into a Visualforce page? (Choose 2) A. Using an (apex:includeScript)* tag. >

• A. Using an (apex:define)* tag.
• B. Using a (link)* tag.
• C. Using a (script)* ta

Answer: A

NEW QUESTION 13
A Visualforce page has a standard controller for an object that has a lookup relationship to a parent object. How can a developer display data from the parent record on the page?

• A. By adding a second standard controller to the page for the parent record.
• B. By using a roll-up formula field on the child record to include data from the parent record.
• C. By using SOQL on the Visualforce page to query for data from the parent record.
• D. By using merge field syntax to retrieve data from the parent record.

Answer: D

NEW QUESTION 14
A developer needs to confirm that an Account trigger is working correctly without changing the organization’s data.What would the developer do to test the Account trigger?

• A. Use the Test menu on the developer Console to run all test classes for the account trigger.
• B. Use the New button on the Salesforce Accounts Tab to create a new Account record.
• C. Use the Open Execute Anonymous feature on the Developer Console to run an ‘insert Account’ DML statement.
• D. Use Deply from the Force.com IDE to deploy an ‘insert Account’ Apex clas

Answer: A

NEW QUESTION 15
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?

• A. Use Test.getStandardPricebookId() to get the standard PriceBook ID.
• B. Use @IsTest(SeeAllData=true) and delete the existing standard PriceBook.
• C. Use Test.loadData() and a Static Resource to load a standard Pricebook.
• D. Use @TestVisible to allow the test method to see the standard PriceBoo

Answer: A

NEW QUESTION 16
To which primitive data type in Apex is a currency field atomically assigned?

• A. Integer
• B. Decimal
• C. Double
• D. Currency

Answer: B

NEW QUESTION 17
Where can debug log filter settings be set?Choose 2 answers

• A. The Filters link by the monitored user's name within the web UI.
• B. The Show More link on the debug log's record.
• C. On the monitored user's name.
• D. The Log Filters tab on a class or trigger detail pag

Answer: AD

NEW QUESTION 18
What is an accurate constructor for a custom controller named "MyController"?

• A. public MyController () { account = new Account () ; }
• B. public MyController (sObject obj) { account = (Account) obj; }
• C. public MyController (List objects) { accounts = (List ) objects; }
• D. public MyController (ApexPages.StandardController stdController) { account = (Account) stdController.getRecord(); }

Answer: A