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Examen Developer I - III

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Modelo III
Jose Miguel Montalbán
Quiz by Jose Miguel Montalbán, updated more than 1 year ago
Jose Miguel Montalbán
Created by Jose Miguel Montalbán over 8 years ago
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Resource summary

Question 1

Question
What type of level logs have to use to show the minimum lines?
Answer
  • FINE
  • DEBUG
  • WARNING
  • INFO
  • WARM

Question 2

Question
Debug logs can contain information about which of the folowing? Choose 3 answers
Answer
  • Database changes
  • http callouts
  • XML behind metadata configurations
  • Resources used by Apex
  • Failed WebMtoMlead submissions

Question 3

Question
A candidate may apply to multiple Jobs at the Company Universal containers by submitting 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 associatean application with each job posting in the schema for the organization? Choose one answer
Answer
  • Create a lookup relationship on both objects to a junction object called Job Posting Applications.
  • Create a master-detail relationship in Job Postings custom object to the Applications custom object.
  • Create a master-detail relationship in the Applications custom object to the Job Postings custom object.
  • Create a lookup relationship in the Applications custom object to the Job Postings custom object.

Question 4

Question
Which scenario is invalid for execution by init tests? Choose one answer
Answer
  • Executing methods as different users.
  • Executing methods for negative test scenarios.
  • Loading the standard Pricebook ID using a system method.
  • Loading test data in place of user input for Flows.

Question 5

Question
What is a benefit of the Lightning Component framework? Choose 1 answers
Answer
  • Better performance for custom Salesforce1 Mobile apps.
  • More centralized control via serverMside logic.
  • More pre-build component to replicate the Salesforce look and feel.
  • Better integration with Force.com sites.

Question 6

Question
What is a accurate constructor for a custom controller named ‘MyController’? Choose 1 answer
Answer
  • public MyController(List<Object> objects){ accounts = (List<Account>)objects; }
  • public MyController(List<Object> objects){ account = (Account) obj;
  • public MyController(){ account = new Account(); }
  • public MyController(ApexPages.StandardController stdController) { account = (Account) stdController.getRecord(); }

Question 7

Question
Where can custom rollMup summary field be created using Standard Object relationships? Choose 3 answers
Answer
  • On Quote using Orders records.
  • On Opportunity using Opportunity Product records.
  • On Campaign using campaign member records.
  • On Account using Opportunity records.
  • On Account using Case records.

Question 8

Question
What Force.com development tool is a Java/AntMbased commandMline utility for moving metadata between a local directory and a Force.com organization?
Answer
  • Developer Console
  • Force.com Migration Tool
  • Force.com IDE
  • Workbench

Question 9

Question
A reviewer is required to enter a reason in the comments field only when a candidate is recommended to be hired. Which action can a developer take to enforce this requirement?
Answer
  • Create a formula field.
  • Create a required Visualforce component.
  • Create a required comments field.
  • Create a validation rule.

Question 10

Question
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?
Answer
  • In a Custom Controller.
  • In a Standard Extension
  • In a Standard Controller
  • In a Controller Extension

Question 11

Question
A company wants a recruiting app that models candidates and interviews; display the total number of interviews on each candidate record; and defines security on interview records that is independent from the security on candidate records. What would a developer do to accomplish this task? Choose 2 answers
Answer
  • Create a lookup relationship between the Candidate and Interview objects.
  • Create a roolMup summary field on the Candidate object that counts Interview records.
  • Create a trigger on the Interview object that updates a field on the Candidate object.
  • Create a masterMdetail relationship between the Candidate and Interview objects.

Question 12

Question
Which statement should a developer avoid using inside procedural loops? Choose 2 answers
Answer
  • If(o.account == a.id)
  • update contactList;
  • List <Contact> contacts = [SELECT Id, Salutation, FirstName, LastName, Email FROM Contact WHERE AccountId =:a.Id];
  • System.debug(‘Amount of CPU time (in ms) used so far: ‘ + Limits.getCpuTime());

Question 13

Question
What Force.com development tools can be used to write and manage Apex classes and triggers? Choose 2 answers
Answer
  • Developer Console
  • Force.com MIgration tool
  • Force.com IDE
  • Workbench

Question 14

Question
Which declarative method helps ensure quality data? Choose 3 answers
Answer
  • Validation rules
  • Exception handling
  • Page layouts
  • Workflow alerts
  • Lookup filters

Question 15

Question
Which of the following statements are true about the ! operator in Apex?
Answer
  • It terminates a line of code
  • It is often read aloud as “bang”
  • It cannot be used with Apex Triggers
  • It reverses the outcome of a Boolean statement

Question 16

Question
Identify the correct statements about dependent picklists Choose 3 answers
Answer
  • Standard picklists can be controlling fields but not dependent fields
  • The maximum number of values allowed in a controlling field is 400
  • Before defining a dependency, you should ensure that your picklist has at least one value
  • A custom multiMselect picklist can be set as the controlling field for a dependent field
  • If a field represents both a controlling field and a dependent field, it cannot contain more than 300 values

Question 17

Question
How can a developer determine, from the DescribeSObjectResult, if the current user will be able to create records for an object in Apex?
Answer
  • By using the isCreatable() method.
  • By using the isInsertable() method.
  • By using the isAccess() method.
  • By using the isCreate() method.

Question 18

Question
In a single record, a user select multiple values from a multiMselect picklist. How are the selected values represented in Apex?
Answer
  • As a List<String> with each value as an element in the list.
  • As a String with each value separated by a comma.
  • As a String with each value separated by a semicolon.
  • As a Set<String> with each value as an element in the set.

Question 19

Question
How can flows be deployed? Choose 3 answers
Answer
  • Custom button
  • Custom link
  • Apex trigger
  • Visualforce page
  • Command line

Question 20

Question
When can a developer use a custom Visualforce page in a Force.com application? Choose 2 answers
Answer
  • To generate a PDF document with application data.
  • To modify the page layout settings for a custom object.
  • To deploy components between two organizations
  • To create components for dashboards and layouts.

Question 21

Question
Which of the following considerations is NOT true when it comes to using the SOAP API?
Answer
  • When developing web service client applications, use Developer Sandbox, which is an exact replica of your Salesforce deployment, including all customization and data.
  • New client applications should use the most recent version of the Force.com WSDL file to fully exploit the benefits of richer features and greater efficiency.
  • SOAP API is the most practical when processing data sets that contain hundreds of thousands of records.
  • The Apex data loader runs on the SOAP API by default.

Question 22

Question
A developer writes a SOQL query to find child records for a specific parent. How many levels can be returned in a single query?
Answer
  • 5
  • 7
  • 3
  • 1

Question 23

Question
Which part of the MVC Architecture do Workflows represent?
Answer
  • Model: What schema and data does salesforce uses to represent the system completely.
  • View: How the schema and data is represented.
  • Controller: How the interface actions. Controllers are used to perform the actions whenever users interact with visual force.

Question 24

Question
A developer needs to know if all tests currently pass in a Salesforce environment. Which feature can the developer use? Choose 2 answers.
Answer
  • ANT Migration Tool
  • Workbench Metadata Retrieval
  • Developer Console
  • Salesforce UI Apex Test Evacution

Question 25

Question
Which code block returns the ListView of an Account object using the following debug statement? System.debug(controller.getListViewOptions());
Answer
  • ApexPages.StandardSetController controller = new ApexPages.StandardSetController(Database.getQueryLocator(‘Sel ect Id from Account Limit 1’));
  • ApexPages.StandardSetController controller = new ApexPages.StandardSetController([SELECT Id FROM Account LIMIT 1]);
  • ApexPages.StandardController controller = new ApexStandardController(Database.getQueryLocator(‘Select Id from Account Limit 1’));
  • ApexPages.StandardController controller = new ApexPages.StandardController([SELECT Id FROM Account LIMIT 1]);

Question 26

Question
What is a good practice for a developer to follow when writing a trigger? Choose 2 answers
Answer
  • Using the Set data structure to ensure distint records.
  • Using synchronous to callouts to call external systems.
  • Using @future methods to perform DML operations.
  • Using the Map data structure to hold query results by ID

Question 27

Question
Programmatic tools are often required for features that do which of the following? Choose 2 answers
Answer
  • Support specialized or complex business processes.
  • Support out of the box Salesforce functionality
  • Don't need to connect to or integrate with thirdMparty systems.
  • Provide highly customized user interfaces or customized clickMthrough paths.

Question 28

Question
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 an Account?
Answer
  • The invoices should have a lookup relationship to the Account.
  • The invoices should have a MasterMDetail relationship to the Account.
  • The Accounts should have a lookup relationship to the Invoice.
  • The Accounts should have a MasterMDetail relationship to the invoice.

Question 29

Question
Benefits to building applications declaratively on the Force.com platform include which of the following? Choose 3 answers
Answer
  • Are usually faster and cheaper to build.
  • Generally require less maintenance.
  • Receive automatic upgrades when the tools are improved.
  • Aren’t subject to governor limits.

Question 30

Question
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?
Answer
  • By using a rollMup formula field on the child record to include data from the parent record.
  • By using merge field syntax to retrieve data from the parent record.
  • By adding a second standard controller to the page for the parent record.
  • By using SOQL on the Visualforce page to query for data from the parent record.

Question 31

Question
A developer has the following code. try { List<String> 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 would be logged?
Answer
  • No message is logged
  • Generic Exception
  • NullPointer Exception
  • List Exception

Question 32

Question
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 myAccount = new Account(Name=’MyAccount’ + x); try{ insert myAccount; } catch (Exception ex){ System.Debug(ex); } } How many accounts are in the org after this code is run?
Answer
  • 251
  • 102
  • 100
  • 101
  • 252

Question 33

Question
What is a capability of formula fields? Choose 3 answers
Answer
  • Determine if a datetime field has passed using the NOW function.
  • Return and display a field value another object using VLOOKUP function.
  • Generate a link using the HYPERLINK function to a specific record in a legacy system.
  • Display the previous value for a field using the PRIORVALUE function.
  • Determine which of three different images to display using the IF function.

Question 34

Question
When the value of a field in an account record is updated, which method will update the value of a custom field in all related opportunities? Choose 2 answers
Answer
  • A crossMobject formula field on the Account object.
  • An Apex trigger on the Account object.
  • A Process Builder on the Account object.
  • A Workflow Rule on the Account object.

Question 35

Question
What is the proper process for an Apex Unit Test?
Answer
  • Query for test data using SeeAllData=true. Execute runallTests(). Verify taht the results are correct.
  • Create data for testing. Call the method being tested. Verify that the result are correct.
  • Query for test data using SeeAllData=true. Call the method being tested. Verify taht the result are correct.
  • Create data for testing, Execute runAllTests().Verify that the result are correct.

Question 36

Question
Which type of information is provided by the Checkpoints tab in the Developer Console? Choose 2 answers
Answer
  • Debug Statement
  • Time
  • Namespace
  • Exception

Question 37

Question
What is the value of x after the code segment executes? String x = ‘A’; Integer i = 10; if ( i <15){ i = 15; x = ‘B’; } else if ( i < 20) { x = ‘C’; } else { x = ‘D’; }
Answer
  • C
  • B
  • D
  • A

Question 38

Question
Which statement would a developer use when creating test data for products and pricebooks?
Answer
  • IsTest(SeeAllData=false)
  • Id pricebookid = Test.getStandardPricebookId();
  • ListobjList = Test.loadData(Account.sObjectType, ‘myResource’);
  • Pricebook pb = new Pricebook();

Question 39

Question
A developer creates an Apex helper class to handle complex trigger logic. How can the helper class warn users when the trigger excedes DML governor limits?
Answer
  • By using ApexMessage.Message() to display an error message after the number of DML statements is exceded.
  • By using Messaging.SendEmail() to continue the transaction and send an alert to the user after the number of DML statements is exceded.
  • By using Pagereference.setRedirect() to redirect the user to a custom Visualforce page before the number of DML statements is exceded.
  • By using Limits.getDMLRows() and then displaying an error message before the number of DML statements is exceded.

Question 40

Question
A developer has the following querys Contact c = [SELECT Id, FirstName, LastName, email FROM Contact where LastName = ‘Smith’]; What dose the query return if there is no Contact with the last name “Smith”?
Answer
  • A contact with empty values.
  • An empty List of Contacts.
  • A Contact initialized to null.
  • An error that no rows are found.

Question 41

Question
Which statement about change set deployments is accurate? Choose 3 answers
Answer
  • They requiere a deployment connection.
  • They can be used to transfer Contact records.
  • They can be used only between related organizations.
  • They use an all or none deployment model.
  • They can be used to deploy custom settings data.

Question 42

Question
A developer creates an Apex class that includes private methods. What can the developer do to ensure that the private methods can be accessed by the test class?
Answer
  • Add the TestVisible attribute to the Apex class.
  • Add the SeeAllData attribute to the test methods.
  • Add the TestVisible attribute to the Apex methods.
  • Add the SeeAllData attribute to the test class.

Question 43

Question
Where would a developer build a managed package?
Answer
  • Developer Sandbox
  • Partial Copy Sandbox
  • Unlimited Edition
  • Developer Edition

Question 44

Question
In the Lightning Component framework, which resource can be used to fire events? Choose 2 answers
Answer
  • Third-party web service code.
  • JavaScript controller actions.
  • Third-party Javascript code.
  • Visualforce controller actions.

Question 45

Question
A Hierarchy Custom Setting stores a specific URL for each profile in Salesforce. Which statement can a adeveloper use to retrieve the correct URL for the current user’s profile and display this on a Visualforce Page?
Answer
  • { Setup.Url_Settings__c.Instance[Profile.Id].URL__c}
  • { Setup.Url_Settings__c[$Profile.Id].URL__c}
  • { Setup.Url_Settings__c.URL__c}
  • { Setup.Url_Settings__c[Profile.Id].URL__c}

Question 46

Question
What is the minimun log level needed to see userMgenerated debug statements?
Answer
  • DEBUG
  • WARN
  • INFO
  • FINE

Question 47

Question
Which trigger event allows a developer to update fields in the Trigger new list without an additional DML statement? Choose 2 answers
Answer
  • After update
  • Before update
  • After insert
  • Before insert

Question 48

Question
What is a valid way of loading external Javascript files into a Visualforce page? Choose 2 answers
Answer
  • Using a <link> tag.
  • Using an <apex:includeScript> tag.
  • Using a <script> tag.
  • Using an <apex:define> tag.

Question 49

Question
A developer is creating an application to track engines 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?
Answer
  • Create a masterMdetail relationship to represent the oneMtoMmany model of engines to parts.
  • Create a junction object to relate many engines to many parts through a masterMdetail relationship.
  • Create a lookup relationship to represent how each part relates to the parent engine object.
  • Create a junction object to relate many engines to many parts through a lookup relationship.
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