Platform Developer I Flashcards
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 class.
D. To create an additional set of governor limits during the execution of a single test class.
What must the Controller for a Visualforce page utilize to override the Standard Opportunity view button?
A. The StandardSetController to support related lists for pagination
B. The Opportunity StandardController for pre-built functionality
C. A callback constructor to reference the StandardController
D. A constructor that initializes a private Opportunity variable
B. The Opportunity StandardController for pre-built functionality
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 terrList = [SELECT Id FROM Territory__c WHERE PostalCoe__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 before insert trigger cannot be updated
A. Line-03: A SOQL query is located insie of the for loop code.
What would a developer do to update a picklist field on related Opportunity records when a modification to the associated Account record is detected?
A. Create a process with Process Builder
B. Create a workflow rule with a field update
C. Create a Lightning Component
D. Create a Visualforce page
A. Create a process with Process Builder
Which requirements need to be implemented by using standard workflow instead of Process Builder? Choose 2 answers
A. Create activities at multiple intervals
B. Send an outbound message without Apex code.
C. Copy an account address to its contacts.
D. Submit a contract for approval
A. Create activities at multiple intervals
B. Send an outbound message without Apex code.
An org has different Apex Classes that provide Account-related funtionality. 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 creates valid Account records, and call this method from within the test methods
B. Create a method that loads valid Account records from a Static Resource, and call this method 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 queries for valid Account Records, and call this method from within test methods
A. Create a method that creates valid Account records, and call this method from within test methods.
B. Create a method that loads valid Account records from a Static Resource, and call this method within test methods.
Which component is available to deploy using Metadata API? Choose 2 answers
A. Case Layout
B. Account Layout
C. Case Feed Layout
D. ConsoleLayout
A. Case Layout
B. Account Layout
In the code below, what type does Boolean inherit from?
Boolean b = true;
A. Enum
B. Object
C. String
D. Class
B. Object
What is the preferred way to reference web content such as images, style sheets, JavaScript, and other libraries that is used in Visualforce pages?
A. By accessing the content from Chatter Files
B. By uploading the content in the Documents Tab
C. By accesing the content from a third-party CDN.
D. By uploading the content as a Static Resource
D. By uploading the content as a Static Resource
A company has a custom object named Warehouse. Each Warehouse record has a distinct record owner, and is related to a parent Account in Salesforce.
Which kind of relationship would a developer use to relate the Account to the Warehouse?
A. One-to-Many
B. Lookup
C. Master-Detail
D. Parent-Child
B. Lookup
A developer creates a Workflow Rule declaratively that updates a field on an object. An Apex update trigger exists for that object. What happens when a user updates a record?
A. No changes are made to the data.
B. Both the Apex Trigger and Workflow Rule are fired only once.
C. The Workflow Rule is fired more than once.
D. The Apex Trigger is fired more than once.
D. The Apex Trigger is fired more than once.
What is true for a partial sandbox that is not true for a full sandbox? Choose 2 answers:
A. More frequent refreshes.
B. Only includes necessary metadata.
C. Use of change sets.
D. Limited to 5 GB of data
A. More frequent refreshes.
D. Limited to 5 GB of data.
In which order does Salesforce execute events upon saving a record?
A. Before Triggers; Validation Rules; After Triggers; Assignment Rules; Workflow Rules; Commit
B. Validation Rules; Before Triggers; After Triggers; Workflow Rules; Assignment Rules; Commit
C. Before Triggers; Validation Rules; After Triggers; Workflow Rules; Assignment Rules; Commit
D. Validation Rules; Before Triggers; After Triggers; Assignment Rules; Workflow Rules; Commit
A. Before Triggers; Validation Rules; After Triggers; Assignment Rules; Workflow Rules; Commit
Ref: https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_triggers_order_of_execution.htm
When loading data into an organization, what can a developer do to match records to update existing records? Choose 2 answers
A. Match an external Id Text 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 auto-generated Number field to a column in the imported file.
A. Match an external Id Text field to a column in the imported file.
B. Match the Id field to a column in the Imported file.
In an organization that has enabled multiple currencies, a developer needs to aggregate the sum of the Estimated_value__c currency field from the CampaignMember object ussing a roll-up summary field called Total_estimated_value__c on Campaign.
How is the currency of the Total_estimated_value__c roll-up summary field determined?
A. The values in CampaignMember.Estimated_value__c are converted into currency of the Campaign record and the sum is displayed using the currency on the Campaign record.
B. The values in CampaignMember.Estimated_value__c are converted into the currency on the majority of the CampaignMember records and the sum is displayed using that currency.
C. The values in CampaignMember.Estimated_value__c are summed up and the resulting Total_estimated_value__c field is displayed as a numeric field on the Campaign record.
D. The values in CampaignMember.Estimated_value__c are converted into the currency of the current user, and the sum is displayed using the currency on the Campaign record.
A. The valus in CampaignMember.Estimated_value__c are converted into the currency of the Campaign record and the sum is displayed using the currency on the Campaign record
A candidate may apply to multiple jobs at the company Universal Containers by submitting a single application per 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 lookup relationship on both objects to a junction object called Job Posting Applications
B. Create a master-detail relationship in the Job Postings custom object to the Applications custom object.
C. Create a master-detail relationship in the Application custom object to the Job Postings custom object.
D. Create a lookup relationship in the Application custom object to the Job Postings custom object.
C. Create a master-detail relationship in the Application custom object to the Job Postings custom object.
What is a characteristic of the Lightning Component Framework? Choose 2 answers:
A. It has an event-driven architecture.
B. It works with existing Visualforce pages.
C. It includes responsive components.
D. It uses XML as its data format.
A. It has an event-driven architecture
C. It includes responsive components.
What is a capability of cross-object foruma fields? Choose 3 answers:
A. Formula fields can reference fields from master-detail or lookup parent relationships.
B. Formula fielsd can expose data the user does not have acess 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 collection of records from a child relationship.
E. Formula fields can reference fields from objects that are up to 10 relationships away.
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.
E. Formula fields can reference fields from objects that are up to 10 relationships away.
Ref: https://help.salesforce.com/HTViewHelpDoc?id=customize_cross_object.htm
A developer has a block of code that omits any statements that indicate whether the code block should execute with or without sharing.
What will automatically obey the organization-wide defaults and sharing settings for the user who executes the code in the Salesforce organization?
A. Apex Triggers
B. HTTP Callouts
C. Apex Controllers
D. Anonymous Blocks
D. Anonymous blocks
Ref: https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_classes_keywords_sharing.htm
A developer created an Apex trigger using the Developer Console and now wants to debug code.
How can the developer accomplish this in the Developer Console?
A. Select the Override Log Triggers checkbox in the trigger
B. Add the user name in the Log Inspector.
C. Open the Progress tab in the Developer Console.
D. Open the Logs tab in the Developer Console.
D. Open the Logs tab in the Developer Console.
Which data structure is returned to a developer when performing a SOSL search?
A. A list of lists of sObjects.
B. A map of sObject types to a list of sObjects.
C. A map of sObjct types to a list of lists of sObjects
D. A list of sObjects.
A. A list of lists of sObjects.
How can a developer avoid exceeding governor limits when using an Apex Trigger? Choose 2 answers:
A. By using a helper class that can be invoked from multiple triggers.
B. By using the Database class to handle DML transactions.
C. By using Maps to hold data from query results.
D. By performing DML transactions on lists of sObjects.
C. By using Maps to hold data from query results.
D. By performing DML transactions on lists of sObjects.
What is a correct pattern to follow when programming in Apex on a Multi-tenant platform?
A. Apex code is created in a separate environment from schema to reduce deployment errors.
B. DML is performed on one record at a time to avoid possible data concurrency issues.
C. Queries select the fewest fields and records possible to avoid exceeding governor limits.
D. Apex classes use the “with sharing” keyword to prevent access from other server tenants.
C. Queries select the fewest fields and records possible to avoid exceeding governor limits.
What sould a developer working in a sandbox use to exercise a new test Class before the developer deploys that test to 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 Setup
B. The Apex Test Execution page in Salesforce Setup
C. The Test menu in the Developer Console.
A company that uses a Custom object to track candidates would like to send candidate information automatically to a third-party human resource system when a candidate is hired. What can a developer do to accomplish this task?
A. Create an escalation rule to the hiring manager.
B. Create an auto response rule to the candidate.
C. Create a Process Builder with an outbound message action
D. Create a workflow rule with an outbound message action.
D. Create a workflow rule with an outbound message action.
A developer is creating an application to track engnies and their parts. An individual part can be used in different types of engines. What data model should be used to track the data and to prevent orphan records?
A. Create a junction object to relate many engines to many parts through a master-detail relationship.
B. Create a master-detail relationship to represent the one-to-many model of engine to parts.
C. Create a lookup relationship to represent how each part relates to the parent engine object.
D. Create a junction object to relate many engines to many parts through a lookup relationship.
A. Create a junction object to relate many engines to many parts through a master-detail relationship.
What is the accurate statement about with sharing keyword? Choose 2 answers:
A. Inner classes do not inherit the sharing setting from the container class.
B. Both inner and outer classes can be declared as with sharing.
C. Either inner classes or outer classes can be declared as with sharing but not both
D. Inner classes inherit the sharing setting from the container class.
A. Inner classes do not inherit the sharing setting from the container class.
B. Both inner and outer classes can be declared as with sharing.
How can a developer refer to, or instantiate a PageReference in Apex? Choose 2 answers:
A. By using a PageReference with a partial or full URL.
B. By using the Page object and a Visualforce page name.
C. By using the ApexPages.Page() method with a Visualforce page name.
D. By using the PageReference.Page() method with a partial or full URL.
A. By using a PageReference with a partial or full URL.
B. By using a Page object and a Visualforce page name.
Which standard field needs to be populated when a developer inserts new Contact records pogrammatically?
A. AccountId
B. Name
C. LastName
D. FirstName
C. LastName
A developer creates a new Visualforce page and Apex extenson and writes test clases that exercise 95% coverate of the new Apex extension.
Change set deployment to production fails wth the test coverage warning: “Average test coverage accross all Apex classes and triggers is 74%, at least 75% test coverage is required.”
What can a developer do to successfully deply 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 tests.
C. Add test methods to existing testclasses from previous deployments.
What is the minimum log level needed to see user generated debug statements?
A. DEBUG
B. FINE
C. INFO
D. WARN
A. DEBUG
Developer needs to automatically populate the ReportsTo 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?
A. before update
B. after insert
C. before insert
D. after update
A. before update
C. before insert
To which primitive data type in Apex is a currency field automatically assigned?
A. Integer
B. Decimal
C. Double
D. Currency
B. Decimal
Ref: https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/langCon_apex_primitives.htm
Which resource can be included in a Lightning Component bundle? Choose 2 answers
A. Apex class
B. Adobe Flash
C. JavaScript
D. Documentation
C. JavaScript
D. Documentation
Ref: https://developer.salesforce.com/docs/atlas.en-us.lightning.meta/lightning/components_bundle.htm
A custom exception "RecordNotFoundException" is defined by the following code 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();
A. throw new RecordNotFoundException(“problem occured”)
B. throw new RecordNotFoundException
When creating unit tests in Apex, which statement is accurate?
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.
D. System Assert statements that do not increase code coverage contribute important feedback in unit tests.
What is a valid Apex statement?
A. Map conMap = (SELECT Name FROM Contact);
B. Account[] accList = new List{new Account()};
C. Integer w,x,y = 123, z = 'abc';
D. private static constant Dobule rate = 775
B. Account[] accList = new List{new Account()};
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 URL. Which statement is unnecesary 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();
A. public ExtendedController(ApexPages.StandardController cntrl) { }
code is inside unit test, so you would not be defining the class constructor regardless.
A developer wants to display all of the available record types for a Case object. The developer also wants to dislpay the picklist values for the Case.Status field. The Case object and the Case Status field are on a custom visualforce page.
Which acction can the developer perform to get the record types and picklist values in the controller?
Choose 2 answers:
A. Use Schema.PicklistEntry returned by Case Status getDescribe().getPicklistValues().
B. Use Schema.RecordTypeInfo returned by Case.sObjectType.getDescribe().getRecordTypeInfos().
C. Use SOQL to query Case records in the org to get all the RecordType values available for Case.
D. Use SOQL to query Case records in the org to get all values for the Status picklist field.
A. Use Schema.PicklistEntry returnd by Case Status getDescribe().getPicklistValues().
B. Use Schema.RecordTypeInfo returned by Case.sObjectType.getDescribe().getRecordTypeInfos()
Ref:
https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_class_Schema_RecordTypeInfo.htm#apex_class_Schema_RecordTypeInfo
https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_class_Schema_PicklistEntry.htm%23apex_class_Schema_PicklistEntry
An sObject named Application__c has a lookup relationship to another sObject named Position__c. Both Application__c and Position__c have a picklist field named Status__c. When the Status__c field on Position__c is updated, the Status__c field on Application__c needs to be populated automatically with the same value, and execute a workflow rule on Application__c. How can a developer accomplis this?
A. By changing Application__c.Status__c into a roll-up summary field.
B. By changing Application__c.Status__c into a formula field.
C. By using an Apex trigger with a DML operation
D. By configuring a cross-object field update with a wokflow.
B. By changing Application__c.Status__c into a formula field.
A developer wrote a workflow email alert on case creation so that an email is sent to the case owner manager when a case is created. When will the email be sent?
A. Before Trigger execution
B. After Commiting to database
C. Before Commiting to database
D. After trigger execution.
B. After Commiting to database
Which code represent the Controller in MVC architecture on the Force.com plaform? Choose 2 answers:
A. JavaScript that is used to make a menu item display itself.
B. StandardController system methods that are referenced by Visualforce
C. Custom Apex and Javascript code that is used to manipulate data.
D. A static resource that contains CSS and Images.
B. StandardController system methods that are referenced by Visualforce
C. Custom Apex and JavaScript code that is used to manipulate data.
A developer needs to provie a Visualforce page that lets users enter Product specific details during a Sales cycle. How can this be accomplished? Choose 2 answers:
A. Download a Managed Package from the AppExchange that provides a custom Visualforce page to modify.
B. Create a new Visualforce page and an Apex controller to provide Product data entry
C. Copy the standard page and then make a Visualforce page for product data entry.
D. Download an Unmanaged Package from AppExchange that provides a custom Visualforce page to modify
B. Create a new Visualforce page and an Apex controller to provide Product data entry.
D. Download an Unmanaged Package from the AppExchange that provides a custom Visualforce page to modify
A developer writes a before insert trigger. How can the developer access the incoming records in the trigger body?
A. By accessing the Trigger.new context variable.
B. By accessing the Trigger.newRecords context variable.
C. By accessing the Trigger.newMap context variable.
D. By accessing the Trigger.newList context variable.
A. By accessing the Trigger.new context variable
A developer in a Salesforce org with 100 Accounts executes the following code using the Developer console:
Account myAccount = new Account(name=’My Account’);
insert myAccount;
for (Integer x = 0; x “less than” 250; 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
B. 100
The Review__c object has 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_Application__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.
B. Utilize the Standard Controller for Position__c and a Controller Extension to query for Review__c data.
What is a capability of the Force.com IDE? Choose 2 answers:
A. Roll back deployments.
B. Run Apex tests.
C. Download debug logs.
D. Edit metadata components
B. Run Apex tests
D. Edit metadata components.
Ref: https://developer.salesforce.com/page/Force.com_IDE
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();
D. if(Trigger.isInsert)
dowork();
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 Visualfoce page needs to add new actions to a standard controller
A. When a Visualforce page needs to replace the functionality of a standard controller.
C. When a Visualforce page should not enforce permissions or field-level security.
Ref: https://developer.salesforce.com/docs/atlas.en-us.pages.meta/pages/pages_controller_def.htm
What is a valid statement about Apex classes and interfaces?
Choose 2 answers:
A. The default modifier for a class is private. B. Exception classes must end with the word exception. C. A class can have multiple levels of inner classes. D. The default modifier for an interface is private.
A. The default modifier for a class is private.
B. Exception classes must end with the word exception.
Ref: https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_classes_java_diffs.htm
A developer has the following trigger that fires after insert and creates a child Case whenever a new Case is created.
List childCases = new List();
for (Case parent : Trigger.new){
Case child = new Case(ParentId = parent.Id, Subject = parent.Subject);
childCases.add(child);
}
insert childCases;
What happens after the code block executes?
A. Multiple child cases are created for each parent case in Trigger.new.
B. child case is created for each parent case in Trigger.new.
C. The trigger enters an infinite loop and eventually fails.
D. The trigger fails if the Subject field on the parent is blank.
C. The trigger enters an infinite loop and eventually fails.
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 Account?
A. The Account should have a Lookup relationship to the Invoice.
B. The Invoice should have a Master -Detail relationship to the Account.
C. The Account should have a Master -Detail relationship to the Invoice.
D. The Invoice should have a Lookup relationship to the Account.
B. The Invoice should have a Master -Detail relationship to the Account.
Reasons:
It has to be master detail relationship to ensure that all child records are visible to everyone with access to Master(Account).
The Invoice should have a Master -Detail relationship to the Account ie. Account has to be master NOT the invoice
What is a valid source and destination pair that can send or receive change sets?
Choose 2 answers:
A. Sandbox to production.
B. Developer edition to sandbox.
C. Developer edition to production.
D. Sandbox to sandbox.
A. Sandbox to production.
D. Sandbox to sandbox.
Reason:
There’s three basic combinations: production to sandbox, sandbox to sandbox, and sandbox to production. Any combination is allowed, so long as the orgs are configured to accept incoming change sets, and any sandboxes involved are created from the same production org.
A developer needs to create records for the object Property__c .The developer creates the following code block:
01 List propertiesToCreate =helperClass.CreateProperties();
02 try {
03
04 } catch (Exception exp) {
05 //Exception handling
06 }
Which line of code would the developer insert at line 03 to ensure that at least some records are created, even if a record have errors and fails to be created?
A. Database.insert(propertiesToCreate, System.ALLOW_PARTIAL);
B. insert propertiesToCreate,
C. Database.insert(propertiesToCreate, false);
D. Database.insert(propertiesToCreate)
C. Database.insert(propertiesToCreate, false);
When the number of record in a recordset is unknown, which control statement should a developer use to implement a set of code that executes for every record in the recordset, without performing a .size() or .length() method call?
A. For (init_stmt, exit_condition; increment_stmt) { }
B. Do { } While (Condition)
C. For (variable : list_or_set) { }
D. While (Condition) { … }
C. For (variable : list_or_set) { }
What is the result when a Visualforce page calls an Apex controller, which calls another Apex class, which then results in hitting a governor limit?
A. Any changes up to the error are saved.
B. Any changes up to the error are rolled back.
C. All changes before a savepoint are saved.
D. All changes are saved in the first Apex class.
B. Any changes up to the error are rolled back.
A developer has the following code block:
public class PaymentTax {
public static decimal SalesTax = 0.0875;
}
trigger OpportunityLineItemTrigger on OpportunityLineItem (before insert, before update) {
PaymentTax PayTax = new PaymentTax();
decimal ProductTax = ProductCost * XXXXXXXXXXX;
}
To calculate the productTax, which code segment would a developer insert at the XXXXXXXXXXX to make the value the class variable SalesTax accessible within the trigger?
A. SalesTax
B. PayTax.SalesTax
C. PaymentTax.SalesTax
D. OpportunityLineItemTngger.SalesTax
C. PaymentTax.SalesTax
