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Platform Developer 1 Exam/ 125 Q&A/
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What is the correct pattern to follow when programming in Apex on multitenant 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. - Answer: C. Queries select the fewest fields and records possible to avoid exceeding governor limits. The sales management team requires that the Lead Source field of the Lead record be populated when a Lead is converted. What would a developer use to ensure that a user populates the LeadSource field prior to converting to a Lead? A. Validation rule
B. Process builder C. Formula Field D. Workflow rule - Answer: A. Validation rule 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. [What kind of relationship exists?] A.One-to-Many B.Lookup C.Master-Detail D.Parent-Child - Answer: B. Lookup What is a valid statement about Apex Classes and interfaces? Choose 2 A. Exception classes must end with the word exception B. The default modifier for a class is private C. A class can have multiple levels of inner class D. The default modifier for an interface is private - Answer: A. Exception classes must end with the word exception B. The default modifier for a class is private 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
A. Select the Override Log Triggers checkbox for the trigger B. Add the user name to the Log Inspector C. Open the Progress tab in the Developer Console D. Open the Logs tab in the Developer Console - Answer: D. Open the Logs tab in the Developer Console When Loading data into an org, what can a developer do to match records to update existing records? (Choose 2) 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. - Answer: 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 How can a developer determine, from the DescribeSobject, if the current user will be able to create record on an object in Apex? A. By using the isCreatable() method B. By using the hasAccess() method C. By using the canCreatable() method D. By using the isInsertable() method - Answer: A. By using the isCreatable() method Which statement would a developer use when creating test data for products and pricebooks? A. List objList= Test.loadData(Acccount.sObjectType, ',myResource'); B. IsTest(SeeAllData=false)
C. Pricebook pb = new pricebook(); D. Id pricebookId = Test.getStandardPricebookId(); - Answer: D. Id pricebookId = Test.getStandardPricebookId(); Which statement should a developer avoid using inside Procedural loops? (Choose 2) A. If(o.accountid = a.id) B. System.debug('Amount of CPU time (in ms) used so far:' + Limits.getCpuTime()); C. Update contactList D. List contacts = [select id, salutation, firstname, lastname, email from Contact where accountId = :a.Id] - Answer: C. Update contactList D. List contacts = [select id, salutation, firstname, lastname, email from Contact where accountId = :a.Id] A developer needs to know if all tests currently pass in a Salesforce environment. Which feature can the developer use? Choose 2 answers. A. Salesforce UI Apex Test Execution B. Workbench Metadata Retrieval C. Developer Console D. ANT Migration Tool - Answer: A. Salesforce UI Apex Test Execution C. Developer Console A hierarchy custom setting stores specific URL for each profile in sf. Which statement can a developer use to retrieve the correct URL for the current URl for the current user's profile and display this on a vf page? A. {!$Setup.Url_Settings__c.URL__c} B. {!$Setup.Url_Settings__c[$Profile.Id].URL__c}
What is a capability of formula fields? Choose 3 A. Determine if a datetime field has passed using the NOW function B. Determine which of three different images to display using IF function C. Display the previous value for a field using the PRIORVALUE funtion D. Return and display a field value from another object using the VLOOKUP function E. Generate a link using the HYPERLINK function to a specific record in a legacy system - Answer: A. Determine if a datetime field has passed using the NOW function B. Determine which of three different images to display using IF function E. Generate a link using the HYPERLINK function to a specific record in a legacy system In the lightning component framework, which resource can be used to fire events? A. Third-party Javascript code. B. Visualforce controller actions. C. Javascript controller actions. D. Third-party web service code. - Answer: C. Javascript controller actions. D. Third-party web service code. What is an important consideration when developing in multitenant environment? A. Unique domain names take the place of namespace for code developed for multiple orgs on multiple instances. B. Org-wide data security determines whether other tenants can see data in multiple orgs on the same instance. C. Governor limits prevent tenants from impacting performance in multiple orgs on the same instance
D. Polyglot persistence provides support for a global, multilingual user base in multiple orgs in multiple instances - Answer: C. Governor limits prevent tenants from impacting performance in multiple orgs on the same instance A developer has the following Query Contact c = [Select id, firstname, lastname, email from Contact where lastname='Smith']; What does query return if there is no Contact with the last name 'Smith' A. An error that no rows are found B. A contact with empty C. A contact initialized to null D. An empty List of Contacts - Answer: A. An error that no rows are found Where can custom roll up summary fields be created using Standard object relationships? A. On Account using Opportunity records B. On Account using Case records C. On Opportunity using Opportunity Product records D. On Campaign using Campaign Member records. E. On Quote using Order records - Answer: A. On Account using Opportunity records C. On Opportunity using Opportunity Product records D. On Campaign using Campaign Member records. Which scenario is invalid for executing by unit tests? A. Executing methods for negative test scenarios.
E. Sub-blocks can reuse a parent's block variable name if its value is null - Answer: A. A variable can be defined at any point in a block B. Parallel blocks can use the same variable name C. Sub-blocks cannot reuse a parent block's variable name How would a developer use Schema builder to delete a custom field from the Account object that was required for prototyping but is no longer needed? A. Delete the field from Schema Builder and then all references in the code will be removed. B. Mark the field for deletion in Schema Builder and then delete it from the declarative UI. C. Remove all references from the code and then delete the custom field from Schema Builder D. Remove all the references in the code and then the field will be removed from Schema Builder - Answer: C. Remove all references from the code and then delete the custom field from Schema Builder Which statement about change set deployment is accurate? (Choose 3) A. They require a deployment connection B. They can be used to deploy custom settings data C. They can be used to transfer Contact records D. They use an all or none deployment model E. They can be used only between related organizations - Answer: A. They require a deployment connection D. They use an all or none deployment model E. They can be used only between related organizations What is a capability of a standardSetController? (Choose 2) A. It allows pages to perform mass updates of records
B. It enforces field-level security when reading large record sets C. It extends the functionality of a standard or custom controller D. It allows pages to perform pagination with large record sets - Answer: A. It allows pages to perform mass updates of records D. It allows pages to perform pagination with large record sets A developer wants to list all of the Tasks for each Account on the Account detail page. When a Task is created for a contact, what does the developer need to do to display the Task on? A. Create a Workflow Rule to relate the Task to the Contact's Account B. Nothing. The Task cannot be related to an Account and a Contact C. Create an Account formula field that displays the Task information D. Nothing. The Task is automatically displayed on the Account Page. - Answer: D. Nothing. The Task is automatically displayed on the Account Page. A developer needs to create a visualforce page that will override the standard Account edit button. The page will be used to validate the accounts address using SOQL query. The page will also allow the user to make the edits to the address. Where would the developer write the Account address verification logic? A. In a Controller Extension B. In a Standard Extension C. In a Custom Controller D. In a Standard Controller - Answer: A. In a Controller Extension A visualforce page has a standard controller for an object that has a lookup to the parent object. How can a developer display data from parent record on the page? A. By adding a second standard controller to the page for the parent record
Which statement about the lookup relationship between a custom object and a standard object is correct? A. The Custom Object will be deleted when the referenced Standard Object is deleted B. The lookup Relationship cannot be marked as required on the page layout for the Custom Object C. The custom Object inherits security from the referenced Standard Object D. The Lookup relationship on the Custom Object can prevent the deletion of the Standard Object - Answer: D. The Lookup relationship on the Custom Object can prevent the deletion of the Standard Object When can a developer use a custom Visualforce page in a Force.com application? Choose 2 answers A. To modify the page layout settings for a custom object B. To create components for dashboards and layouts C. To deploy components between two organizations D. To generate a PDF document with application Data - Answer: B. To create components for dashboards and layouts D. To generate a PDF document with application Data 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 page. - Answer: A. The Filters link by the monitored user's name within the web Ui.
D. The Log Filters tab on a class or trigger detail page. Which action can a developer perform in a before update trigger? Choose 2 answers A. Update the original object using an update DML operation B. Change field values using the Trigger.new context variable C. Display a custom error message in the application interface D. Delete the original object using a delete DML operation - Answer: B. Change field values using the Trigger.new context variable C. Display a custom error message in the application interface Which data type or collection of data types can SOQL statements populate or evaluate to? Choose 3 answers A. An Integer B. A single sObject C. A Boolean D. A string E. A list of sObjects - Answer: A. An Integer B. A single sObject E. A list of sObjects What is a good practice for a developer to follow when writing a trigger? Choose 2 answers A. Using synchronous callouts to call external systems B. Using the Map data structure to hold query results by ID C. Using @future methods to perform DML operations D. Using the Set data structure to ensure distinct records - Answer: B. Using the Map data structure to hold query results by ID
for(integer i=1;i<=200 ;i++){ flist.add(new Account(name='Test Acc'+i)); } insert flist; list Llist = new list(); for(integer i=201;i<=20000 ;i++){ Llist.add(new Account(name='Test Acc'+i)); } insert Llist ; What will be the output : A. Insert all records B. Error will occur C. Insert 200 only D. 0 records inserted - Answer: B. Error will occur Developer need to verify that the account trigger is working fine without changing Org data. What would the developer do to test the Account trigger? (Choose 2) A. Use the test menu on developer console to run all test classes for the account trigger. B. Use Execute Anonymous feature on developer console C. Use New button on Account tab to create new record D. Use force.com IDE - Answer: A. Use the test menu on developer console to run all test classes for the account trigger. D. Use force.com IDE Which Apex collection is used to ensure all values are unique
A. An sObject B. Set C. List D. Enum - Answer: B. Set What is the result of following code block? integer x = 1; integer y = 0; while(x < 10){ y++; } What is the output : A. Error B. 9 C. 0 D. 10 - Answer: A. Error Which statement about declarations is correct? A. A developer can extend a class that is declared with Virtual keyword B. A developer can't use class or method using final keyword C. A developer can define constant with final keyword. - Answer: A. A developer can extend a class that is declared with Virtual keyword B. A developer can't use class or method using final keyword
B. Contact C. Accounts D. Account - Answer: A. Contacts When running an Apex test, which type of Apex syntax in tested code is counted in the code coverage calculation? A. A variable assignment. B. A blank line. C. A System.debug() statement. D. A comment. - Answer: A. A variable assignment. Which method is defined in the StandardController class? Choose 2 answers A. Undelete B. Merge C. Cancel D. Save - Answer: C. Cancel D. Save What is the return type of a SOSL search? A. A list of sObjects. B. A list of AggregateResults. C. A list of lists of sObjects. D. An sObject. - Answer: C. A list of lists of sObjects. A custom exception named "RecordNotFoundException" is defined by the following code block:
public class RecordNotFoundException extends Exception { } Which statement can a developer use to throw the custom exception? Choose 2 answers A. Throw RecordNotFoundException(); B. Throw RecordNotFoundException('Problem ocurred') C. Throw new RecordNotFoundException('Problem occurred') D. Throw new RecordNotFoundException(); - Answer: C. Throw new RecordNotFoundException('Problem occurred') D. Throw new RecordNotFoundException(); How Can a developer avoid exceeding governor limits when using an apex Trigger? Choose 2 answers. A. By using Maps to hold data from query results B. By using a helper class that can be invoked from multiple triggers C. By performing DML transactions on lists of sObjects D. By using the Database class to handle DML transactions - Answer: A. By using Maps to hold data from query results C. By performing DML transactions on lists of sObjects What can be used to insure data quality? (Choose 3) A. Validation Rules B. Page Layouts C. Require Fields D. Workflows E. Triggers - Answer: A. Validation Rules
