Platform Developer I Mock 4

Universal Containers wants a list button to display a Visualforce page that allows users to edit multiple records. Which Visualforce feature supports this requirement?

recordSetVar page attribute

apex:listButton tag

custom controller

controller extension

A Next Best Action strategy uses an Enhance Element that invokes an Apex method to determine a discount level for a Contact, based on a number of factors. What is the correct definition of the Apex method?

@InvocableMethod global static List> getLevel (List input) { /*implementation*/ }

@InvocableMethod global List> getLevel (List input) { /*implementation*/ }

@InvocableMethod global Recommendation getLevel (ContactWrapper input) { /*implementation*/ }

@InvocableMethod global static ListRecommendation getLevel (List input) { /*implementation*/ }

A developer wants to mark each Account in a List as either Active or Inactive based on the LastModifiedDate field value being more than 90 days. Which Apex technique should the developer use?

A switch statement, with a for loop inside

A for loop, with a switch statement inside

An if/else statement, with a for loop inside

A for loop, with an if/else statement inside

The following Apex method is part of the ContactSertvice class that is called from a trigger: public static void setBusinessUnitToEMEA(Contact thisContact){ thisContact . Business_Unit__c = 'EMEA'; update thisContact; } How should the developer modify the code to ensure best practices are met?

public static void setBusinessUnitToEMEA(List contacts){ for(Contact thisContact : contacts){ thisContact . Business_Unit__ c = 'EMEA'; update contacts[0]; } }

public static void setBusinessUnitToEMEA(List contacts){ for(Contact thisContact : contacts){ thisContact . Business_Unit__ c = 'EMEA'; } update contacts; }

public static void setBusinessUnitToEMEA(Contact thisContact){ List contacts = new list( ); contacts. add(thisContact. Business_Unit__c = 'EMEA'); update contacts; }

public void setBusinessUnitToEMEA(List contacts){ contact[0]. Business_Unit__ c = 'EMEA'; update contacts[0]; }

A developer is tasked to perform a security review of the ContactSearch Apex class that exists in the system. Within the class, the developer identifies the following method as a security threat: List performSearch(String lastName){ return Database.query('SELECT Id, FirstName, LastName FROM Contact WHERE LastName Like %'+lastName+'%' ); What are two ways the developer can update the method to prevent a SOQL injection attack? Choose 2 answers

Use a regular expression on the parameter to remove special characters.

Use the @ReadOnly annotation and the with sharing keyword on the class.

Use variable binding and replace the dynamic query with a static SOQL.

Use the escapeSingleQuotes method to sanitize the parameter before its use.

A developer wants to retrieve the Contacts and Users with the email address 'dev@uc.com'. Which SOSL statement should the developer use?

FIND {Email = 'dev@uc.com' } IN Contact, User

FIND { dev@uc.com' } IN Email Fields RETURNTING Contact (Email), User (Email)

FIND {Email = 'dev@uc.com' } RETURNTING Contact (Email), User (Email)

FIND Email IN Contact, User FOR {dev@UC.vom}

Given the following block of code: try{ List retrievedRecords = '[SELECT Id FROM Account WHERE Website = null]; }catch(Exception e){ //manage exception logic } What should a developer do to ensure the code execution is disrupted if the list retrievedRecords remains empty after the SOQL query?

Check the state of the retrievedRecords variable and access the first element of the list if the variable is empty.

Check the state of the retrievedRecords variable and throw a custom exception if the variable is empty.

Check the state of the retrievedRecords variable and use System.assert(false) if the variable is empty.

Replace the retrievedRecords variable declaration from a List of Account to a single Account.

Given the following Anonymous Block: List casesToUpdate = new List( ); for(Case thisCase : [Select Id, Status FROM Case LIMIT 50000]){ thiscase. Status = 'Working'; casesToUpdate. add(thisCase); } try{ Database. update(casesToUpdate, false); }catch(Exception e){ System. debug(e. getMessage()); } What should a developer consider for an environment that has over 10,000 Case records?

The try/catch block will handle exceptions thrown by governor limits.

The transaction will succeed and changes will be committed.

The try/catch block will handle any DML exceptions thrown.

The transaction will fail due to exceeding the governor limit.

Which statement generates a list of Leads and Contacts that have a field with the phrase 'ACME'?

List searchList = [FIND "*ACME*" IN ALL FIELDS RETURNING Contact, Lead];

List> searchList = [FIND "*ACME*" IN ALL FIELDS RETURNING Contact, Lead];

Map searchList = [FIND "*ACME*" IN ALL FIELDS RETURNING Contact, Lead];

List> searchList = '[SELECT Name, ID FROM Contact, Lead WHERE Name like 'ME%'];

What is the maximum number of SOQL queries used by the following code? List aList = '[SELECT Id from Account LIMIT 5]; for(Account a : aList){ List cList ='[SELECT Id FROM Contact WHERE AccountId = :a.Id]; }

1

2

6

5

The following Apex method is part of the ContactService class that is called from a trigger: public static void setBusinessUnitToEMEA(Contact thisContact){ thisContact.Business_Unit__c = 'EMEA'; update thisContact; } How should the developer modify the code to ensure best practices are met?

public static void setBusinessUnitToEMEA(Contact thisContact){ List contacts = new List(); contacts.add(thisContact.Business_Unit__c = 'EMEA'); update contacts;

public static void setBusinessUnitToEMEA(List contacts){ for(Contact thisContact : contacts){ thisContact.Business_Unit__c = 'EMEA'; } update contacts; }

public static void setBusinessUnitToEMEA(List contacts){ for(Contact thisContact : contacts){ thisContact.Business_Unit__c = 'EMEA'; update contacts[0]; } }

public static void setBusinessUnitToEMEA(List contacts){ contacts[0].Business_Unit__c = 'EMEA'; update contacts[0]; }

A developer must modify the following code snippet to prevent the number of SOQL queries issued from exceeding the platform governor limit. public without sharing class OpportunityService{ public static List getOpportunityProducts(Set opportunityIds){ List oppLineItems = new List(); for(Id thisOppId : opportunityIds){ oppLineItems. addAll([Select Id FROM OppLineItem WHERE OpportunityId = :thisOppId]); } return oppLineItems; } } The above method might be called during a trigger execution via a Lightning component. Which technique should be implemented to avoid reaching the governor limit?

Refactor the code above to perform the SOQL query only if the Set of opportunityIds contains less 100 Ids.

Refactor the code above to perform only one SOQL query, filtering by the Set of opportunityIds.

Use the System. Limits. getQueries( ) method to ensure the number of queries is less than 100.

Use the System. Limits. getLimitQueries( ) method to ensure the number of queries is less than 100.

Which three code lines are required to create a Lightning component on a Visualforce page? Choose 3 answers

$lightning.useComponent

$lightning.use

$Lightning.createComponent

What are three capabilities of the tag when loading JavaScript resources in Aura components? Choose 3 answers

Specifying loading order

Loading scripts in parallel

Loading files from Documents

One-time loading for duplicate scripts

Loading externally hosted scripts

A developer needs to create a custom button for the Account object that, when clicked, will perform a series of calculations and redirect the user to a custom Visualforce page. Which three attributes need to be defined with values in the tag to accomplish this? Choose 3 answers

extensions

action

standardController

renderAs

readOnly

A developer must create a Lightning component that allows users to input Contact record information to create a Contact record, including a Salary__c custom field. What should the developer use, along with a lightning-record-edit-form, so that Salary__c field functions as a currency input and is only viewable and editable by users that have the correct field level permissions on Salary__c ?

Given the code below: List aList = '[SELECT Id FROM Account]; for(Account a : aList) { List cList = '[SELECT Id FROM Contact WHERE AccountId =:a.Id]; } What should a developer do to correct the code so that there is no chance of hitting a governor limit?

Add a LIMIT clause to the first SELECT SOQL statement.

Rework the code and eliminate the for loop.

Add a WHERE clause to the first SELECT SOQL statement.

combine the two SELECT statements into a single SOQL statement.

A Lightning component has a wired property, searchResults, that stores a list of Opportunities. Which definition of the Apex method, to which the searchResults property is wired, should be used?

@AuraEnabled(cacheable=false) public List search(String term){ /*implementation*/ }

@AuraEnabled(cacheable=true) public List search(String term){ /*implementation*/ }

@AuraEnabled(cacheable=false) public static List search(String term){ /*implementation*/ }

@AuraEnabled(cacheable=true) public static List search(String term){ /*implementation*/ }

A developer has a Visualforce page and custom controller to save Account records. The developer wants to display any validation rule violations to the user. How can the developer make sure that validation rule violations are displayed?

Include on the Visualforce page.

Perform the DML using the Database.upsert( ) method.

Add custom controller attributes to display the message.

Use a try/catch with a custom exception class.

A developer is asked to create a Visualforce page that displays some Account fields as well as fields configured on the page layout for related Contacts. How should the developer implement this request?

Use the apex:include tag.

Add a method to the standard controller.

Use the "apex:relatedList" tag.

Create a controller extension.

Which two events need to happen when deploying to a production org? Choose 2 answers

All Apex code must have at least 75% test coverage.

All Process Builder Processes must have at least 1% test coverage.

All Visual Flows must have at least 1% test coverage.

All Triggers must have at least 1% test coverage.

A developer created this Apex trigger that calls MyClass.myStaticMethod; trigger myTrigger on Contact(before insert){ MyClass.myStaticMethod(trigger.new, trigger.oldMap);} The developer creates a test class with a test method that calls MyClass.myStaticMethod, resulting in 81% overall code coverage. What happens when the developer tries to deploy the trigger and two classes to production, assuming no other code exists?

The deployment fails because no assertions were made in the test method.

The deployment passes because the Apex code has required(>75%) code coverage.

The deployment passes because both classes and the trigger were included in the deployment.

The deployment fails because the Apex trigger has no code coverage.

A developer created a new Apex trigger with a helper class, and writes a test class that only exercises 95% coverage of the new Apex helper class. Change set deployment to production fails with the test coverage warning: "Test coverage of selected Apex Trigger is 0%, at least 1% test coverage is required." What should the developer do to successfully deploy the new Apex trigger and helper class?

Increase the test class coverage on the helper class.

Run the tests using the 'Run All Tests' method.

Create a test class and methods to cover the Apex trigger.

Remove the failing test methods from the test class.

Where are two locations a developer can look to find information about the status of asynchronous or future calls? Choose 2 answers

Time-Based Workflow Monitor

Apex Flex Queue

Apex Jobs

Paused Flow Interviews component

A developer is writing tests for a class and needs to insert records to validate functionality. Which annotation method should be used to create records for every method in the test class?

@PreTest

@StartTest

@isTest(SeeAllData=true)

@TestSetup

What are two way for a developer to execute tests in an org? Choose 2 answers

Bulk API

Tooling API

Metadata API

Developer Console

A developer wants to get access to the standard price book in the org while writing a test class that covers an OpportunityLineItem trigger. Which method allows access to the price book?

Use Test.getStandardPricebookId() to get the standard price book ID.

Use @TestVisible to allow the test method to see the standard price book.

Use @IsTest(SeeAllData=true) and delete the existing standard price book.

Use Test.loadData() and a static resource to load a standard price book.

Which three statements are true regarding custom exceptions in Apex? Choose 3 answers

A custom exception class cannot contain member variables or methods.

A custom exception class can implement one or many interfaces.

A custom exception class name must be end with "Exception".

A custom exception class must extend the system Exception class.

A custom exception class can extend other classes besides the Exception class.

A team of developers is working on a source-driven project that allows them to work independently, with many different org configurations. Which type of Salesforce orgs should they use for their development?

Full Copy sandboxes

Developer orgs

Developer sandboxes

Scratch orgs.

What should be used to create scratch orgs?

Sandbox refresh

Salesforce CLI

Developer Console

Workbench

Universal Containers wants a list button to display a Visualforce page that allows users to edit multiple records. Which Visualforce feature supports this requirement?

recordSetVar page attribute

apex:listButton tag

custom controller

controller extension

A developer must create an Apex class, ContactController, that a Lightning component can use to search for Contact records. Users of the Lightning component should only be able to search for Contact records to which they have access. Which two will restrict records correctly? Choose 2 answers

public without sharing class ContactController

public class ContactController

public inherited sharing class ContactController

public with sharing class ContactController

Which two statements accurately represent the MVC framework implementation in Salesforce? Choose 2 answers

Standard and Custom objects used in the app schema represent the View (V) part of the MVC framework.

Lightning component HTML files represent the Model (M) part of the MVC framework.

Tigger used to create records represent the Model (M) part of the MVC framework.

Validation rules enforce business rules and represent the Controller (C) part of the MVC framework.

What is a benefit of developing applications in a multi-tenant environment?

Default out-of-the-box configuration

Access to predefined computing resources

Unlimited processing power and memory

Enforced best practices for development

Which three operations affect the number of times a trigger can fire? Choose 3 answers

Email messages

Roll-Up Summary fields

Workflow Rules

Criteria-based Sharing calculations

Lightning Flows

When a user edits the Postal Code on an Account, a custom Account text field named "TimeZone" must be updated based on the values in a PostalCodeToTimeZone__c custom object. How should a developer implement this feature?

Build an Account custom trigger

Build an Account Workflow Rule

Build an Account Assignment Rule

Build an Account Approval Process.

An org has an existing Visual Flow that creates an Opportunity with an Update Records element. A developer must update the Visual Flow to also create a Contact and store the created Contact's ID on the Opportunity. Which update should the developer make in the Visual Flow?

Add a new Get Records element.

Add a new Update Records element.

Add a new Create Records element.

Add a new Quick Action(of type Create) element.

Universal Containers decides to use exclusively declarative development to build out a new Salesforce application. Which three options should be used to build out the database layer for the application? Choose 3 answers

Relationships

Process Builder

Triggers

Custom Objects and Fields

Roll-up Summaries

A developer needs to implement the functionality for a service agent to gather multiple pieces of information from a customer in order to send a replacement credit card. Which automation tool meets these requirements?

Lightning Component

Flow Builder

Process Builder

Approval Process

Which aspect of Apex programming is limited due to multitenancy?

The number of methods in an Apex class

The number of records returned from database queries

The number of active Apex classes

The number of records processed in a loop.

In terms of the MVC paradigm, what are two advantages of implementing the view layer of a Salesforce application using Aura Component-based development over Visualforce? Choose 2 answers

Server-side run-time debugging

Self-contained and reusable units of an application

Automatic code generation

Rich component ecosystem

Universal Containers wants to back up all of the data and attachments in Salesforce org once a month. Which approach should a developer use to meet this requirement?

Schedule a report

Create a Schedulable Apex Class

Define a Data Export scheduled job.

Use the data loader command line.

A developer has a requirement to create an Order when an Opportunity reaches a 'Closed-Won' status. Which tool should be used to implement this requirement?

Lightning Flow

Process Builder

Apex Trigger

Lightning Component

Which three process automations can immediately send an email notification to the owner of an Opportunity when its Amount is changed to be greater than $10.000? Choose 3 answers

Escalation Rule

Workflow Rule

Process Builder

Flow Builder

Approval Process

Which process automation should be used to send an outbound message without using Apex code?

Flow Builder

Process Builder

Approval Process

Workflow Rule

A developer at Universal Containers is tasked with implementing a new Salesforce application that must built by their company's Salesforce administrator. Which three options should be considered for building out the business logic layer of the application? Choose 3 answers

Scheduled Jobs

Validation Rules

Invocable Actions

Workflows

Process Builder

A developer must create a CreditCardPayment class that provides an implementation of an existing Payment class. public virtual class Payment{ public virtual void makePayment(Decimal amount) { /*implementation*/} } Which is the correct implementation?

public class CreditCardPayment extends Payment{ public virtual void makePayment(Decimal amount){/*implementation*/} }

public class CreditCardPayment extends Payment{ public override void makePayment(Decimal amount){/*implementation*/} }

public class CreditCardPayment implements Payment{ public override void makePayment(Decimal amount){/*implementation*/} }

public class CreditCardPayment implements Payment{ public virtual void makePayment(Decimal amount){/*implementation*/} }

What are two characteristics related to formulas? Choose 2 answers

Formulas can reference themselves.

Formulas are calculated at runtime and are not stored in the database.

Fields that are used in a formula field can be deleted or edited without editing the formula.

Formulas can reference values in related objects.

A developer has an integer variable called maxAttempts. The developer needs to ensure that once maxAttempts is initialized, it preserves its value for the length of the Apex transaction; while being able to share the variable's state between trigger executions. How should the developer declare max attempts to meet these requirements?

Declare maxAttempts as a variable on a helper class.

Declare maxAttempts as constant using the static and final keywords.

Declare maxAttempts as a private static variable on a helper class.

Declare maxAttempts as a member variable on the trigger definition.

A developer writes a single trigger on the Account object on the after insert and after update events. A workflow rule modifies a field every time an Account is created or updated. How many times will the trigger fire if a new Account is inserted, assuming no other automation logic is implemented on the Account?

8

1

4

2

A developer writes a trigger on the Account object on the before update event that increments a count field. A workflow rule also increments the count field every time that an Account is created or updated. The field update in the workflow rule is configured to not re-evaluate workflow rules. What is the value of the count field if an Account is inserted with an initial value of zero, assuming no other automation logic is implemented on the Account?

4

2

1

3

A Visual Flow uses an Apex Action to provide additional information about multiple Contacts, stored in a custom class, ContactInfo. Which is the correct definition of the Apex method that gets the additional information?

@InvocableMethod(label='Additional Info') public ContactInfo getInfo(Id contactId) （ /*implementation*/ )

@InvocableMethod(label='Additional Info') public static ContactInfo getInfo(Id contactId) （/ *implementation*/)

@InvocableMethod(label='Additional Info') public List getInfo(List contactIds) （/ *implementation*/)

@InvocableMethod(label='Additional Info') public static List getInfo(List contactIds) （/ *implementation*/)

Universal Containers recently transitioned from Classic to Lightning Experience. One of its business processes requires contain values from the Opportunity object to be sent via an HTTP REST callout to its external order management system based on a user-initiated action on the Opportunity detail page, Example values are as follows: Name Amount Account Which two methods should the developer implement to fulfill the business requirement?

Create an after trigger on the Opportunity object that calls a helper method using @Future(Callout=true) to perform the HTTP REST callout.

Create a Visualforce page that performs the HTTP REST callout, and use a Visualforce quick action to expose the component on the Opportunity detail page.

Create a Lightning component that performs the HTTP REST callout, and use a Lightning Action to expose the component on the Opportunity detail page.

Create a Process Builder on the Opportunity object that executes an Apex immediate action to perform the HTTP RESR callout whenever the Opportunity is updated.

A developer wrote the following two classes: public with sharing class statusFetcher{ private Boolean active = true; private Boolean isActive(){ return active; } } public with sharing class Calculator{ public void doCalculations() StatusFetcher sFetcher = new StatusFetcher(); if(sFetcher.isActive()) //do calculatlons here } } } The StatusFetcher class successfully complled and saved.However, the calculator class has a compile time error. How should the developer fix this code?

Make the docalculations method in the calculator class private.

Change the class declaration for the calculator class to public with inherited sharing.

Change the class declaration for the statusFetcher class to public with inherited sharing.

Make the isActive method in the statusFetcher class public.

Given the code below in an Apex class: List aList=[SELECT Id, Active_c EROM Account]; for (Account a : a List){ if[!a.Active_c){ a.Name = 'INACTIVE'; } } update aList; What should a developer do to correct the code so that there is no chance of hitting a governor limit?

Change the DML to use Database.update(aList,true);

Change the DML to use Database.update(aList,false);

Add a LIMIT clause to the SOQL statement.

Add a WRERE clause to the SOQL statement.

A lead developer creates an Apex interface called "Laptop". Consider the following code snippet: public class SilverLaptop{ //code implementaticn } How can a developer use the Laptop interface within the SilverLaptop class?

@Extends(class="Laptop") public class SilverLaptop

public class SilverLaptop extends Laptop

@Interface (class="Laptop") public class SilverLaptop

public class SilverLaptop implements Laptop

Management asked for opportunities to be automatically created for accounts with annual revenue greater than $1,000,000. A developer created the following trigger on the Account object to satisfy this requirement. for (Account a: Trigger.new){ if(a. Annua1Revenue > 1000000){ List oppList =[SELECT Id FROM Opportunity WHERE accountId =:a.Id]; if(oppList.size()==0) { Opportunity oppty = new Opportunity (Name = a.name,StageName = 'Prospecting’. CloseDate =system. today () .addDays(30)); insert oppty; } } } Users are able to update the account records via the UI and can see an opportunity created for high annual revenue accounts. However, when the administrator tries to upload a list of 179 accounts using Data Loader, it fails with System.Exception errors. Which two actions should the developer take to fix the code segment shown above? Choose 2 answers

Move the DML that saves opportunities outside the for loop.

Use Database.query to query the opportunities.

Check if all the required fields for Opportunity are being added on creation.

Query for existing opportunities outside the for loop.

A developer is building custom search functionality that uses SOSL to search account and contact records that match search terms provided by the end user. The feature is exposed through a Lightning web component, and the end user is able to provide a list of terms to search. Consider the following code snippet: @AuraEnabled public static List searchTerms(List termlist){ List result = new List() : for(string term: termList) { result.addAl1([FIND :term IN ALL FIELDS RETURNING Account Name), contact(FirstName,LastName)]}; } return result; } What is the maximum number of search terms the end user can provide to successfully execute the search without exceeding a governor limit?

20

150

200

2000

A developer needs to implement a custom SOAP Web Service that is used by an external Web Application. The developer chooses to include helper methods that are not used by the Web Application in the implementation of the Web Service Class. Which code segment shows the correct declaration of the class and methods?

webservice class WebserviceClass { private Boolean helperMethod() { /* implementation ... */ } webservice static string updateRecords() { /* implementation ... */} }

global class WebServiceClass{ private Boolean helperMethod() { /* implementation ... */ } g1obal string updateRecords() ( /* implementation ... */ } }

global class WebServiceClass { private Boolean helperMethod() { 1* implementation ... "/ } webservice static string updateRecords() { 1* implementation ... */ } }

webservice class WebServiceClass { private Boolean helperMethod() { /* implementation ... */ } g1obal static string updateRecords() { 1* implementation ... */} }

Consider the following code snippet: public static List obtainAllFields(Set 1eadIds) { List result = new List(); for(Id leadId : leadIds) { result.add([SELECT FIELDS(ALL) FROM Lead WHERE Id = :leadId]; } return result; } Given the multi-tenant architecture of the Salesforce platform, what is a best practice a developer should implement and ensure successful execution of the method?

Avoid executing queries without a limit clause.

Avoid returning an empty List of records.

Avoid using variables as query filters.

Avoid performing queries inside for loops.

Assuming that 'name' is a String obtained by an tag on a Visualforce page, which two SOQL queries performed are safe from SOQL injection?Choose 2 answers

String query = 'SELECT Id FROM Account WHERE Name LIKE \''%' + name + '%\''; List results = Database.query(query);

String query = 'SELECT Id FROM Account WHERE Name LIKE \''%' + name.noQuotes() + '%\''; List results = Database.query(query);

String query = '%' + name + '%'; List results ='[SELECT Id FROM Account WHERE Name LIKE :query];

String query = 'SELECT Id FROM Account WHERE Name LIKE \''%' + String.escapeSingleQuotes(name) + '%\''; List results = Database.query(query);

Refer to the following code that runs in an Execute Anonymous block: for( List theseLeads : [SELECT LastName, Company, Email FROM Lead LIMIT 20000]) { for(Lead thisLead : theseLeads) { if(thisLead.Email == null) thisLead.Email = assignGenericEmail(thisLead.LastName, thisLead.Company); } Database.Update(theseLeads, false); } In an environment where the full result set is returned, what is a possible outcome of this code?

The transaction will succeed and the first ten thousand records will be committed to the database.

The total number of DML statements issued will be exceeded.

The total number of records processed as a result of DML statements will be exceeded.

The transaction will succeed and the full result set changes will be committed to the database.

Platform Developer I Mock 4

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