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Salesforce Certified Platform Developer CRT-450 Dumps Provided Study Notes
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- Triggers.
- Declarative automation features vs. Apex classes and triggers.
- Lightning Platform Applications.
- Data model.
- Heroku platform.
- Multi-tenant environment.
- Apex Development.
- Write Visual force controllers.
- mapping to the MVC pattern.
- Visual force page.
- Formula fields.
- Core CRM objects
- Roll-up summary fields.
- Importing and Exporting Data
- Apex control flow statements.
- Governor limits on Apex transactions.
- Exception handling in Apex.
- SOSL, SOQL, and DML statements
- Entity relationships.
- Monitor various types of debug logs.
NEW QUESTION 190
A developer created a Visualforce page with a custom controller to show a list of accounts. The page uses the
<apex:SelecList> component, with a variable called "selection", to show the valid values for Account.Type.
The page uses an <apex:pageBlockTable> component to display the list of accounts, where the iteration variable is "acct". The developer wants to ensure that when a user selects a type on the <apex : selectList> component, only accounts with that type are shown on the page. What should the developer do to accomplish this?
- A. Create a component for each option and use a variable with hide parameter on the element.
- B. Use the onChange event to update the list of accounts in the controller when the value changes, and then re-render the pageBlockTable.
- C. Add the Rendered={!Acct.type==selection} attribute to the pageBlockTable component
- D. Create multiple lists in the controller that represent the relevant accounts for each account type when the page loads, then reference the correct one dynamically on the pageBlockTable.
Answer: B
NEW QUESTION 191
Which two statements are acceptable for a developer to use inside procedural loops? (Choose two.)
- A. contactList.remove(i);
- B. Account a = [SELECT Id, Name FROM Account WHERE Id = :con.AccountId LIMIT 1];
- C. delete contactList;
- D. Contact con = new Contact();
Answer: A,D
NEW QUESTION 192
Which tool can deploy destructive changes to Apex classes in production?
- A. Salesforce Setup
- B. Developer Console
- C. Workbench
- D. Change Sets
Answer: C
NEW QUESTION 193
When creating unit tests in Apex, which statement is accurate?Choose 2
- A. System Assert statements that do not Increase code coverage contribute important feedback in unit tests
- B. Triggers do not require any unit tests in order to deploy them from sandbox to production.
- C. Increased test coverage requires large test classes with many lines of code in one method.
- D. Unit tests with multiple methods result in all methods failing every time one method fails.
Answer: A,C
NEW QUESTION 194
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<Territory__c> terrList = [SELECT Id FROM Territory__c WHERE PostalCode__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-02: A NullPointer exception is thrown if PostalCode is null.
- B. Line-03: A SOQL query is located inside of the for loop code.
- C. Line-01: Trigger:new is not valid in a before insert Trigger.
- D. Line-05: The Lead in a before insert trigger cannot be updated.
Answer: B
NEW QUESTION 195
What should be used to create scratch orgs?
- A. Sandbox refresh
- B. Salesforce CLI
- C. Developer Console
- D. Workbench
Answer: B
NEW QUESTION 196
A developer created a lightning component name accountList.cmp that display a list of Accounts. Client-side logic that is executed when a user hovers over an account in the list should be stored in which bundle member?
- A. AccountListHelper.js
- B. AccountList.renderer
- C. AccountListRenderer.js
- D. AccountList.helper
Answer: B
NEW QUESTION 197
Which two sosl searches will return records matching search criteria contained in any of the searchable text fields on an object? choose 2 answers
- A. [find 'acme*'in all fields returning account,opportunity]
- B. [find 'acme*' in any fields returning account,opportunity]
- C. [find 'acme*' in text fields returning account,opportunity]
- D. [find 'acme*'returning account,opportunity]
Answer: A
NEW QUESTION 198
Given the following code snippet, that is part of a custom controller for a Visualforce page:
In which two ways can the try/catchbe enclosed to enforce object-level permissions and prevent the DML statement from being executed if the current logged-in user does not have the appropriate level of access to the object? (Choose two.)
- A. Use if(Schema.sObjectType.Contact.isUpdateable())
- B. Use if(Schema.sObjectType.Contact.fields.Is_Active__c.isUpdateable())
- C. Use if(Schema.sObjectType.Contact.isAccessible())
- D. Use if(thisContact.OwnerId == User.Info.getUserId())
Answer: A,B
NEW QUESTION 199
From which 2 locations can a developer determine the overall code coverage for a sandbox?
- A. The apex test execution page
- B. The test suite run panel of the developer console
- C. The tests tab of the developer console
- D. The apex classes setup page
Answer: C,D
NEW QUESTION 200
What can be used to delete components from production?
- A. A change set deployment with the delete option checked
- B. An ant migration tool deployment with a desctuctiveChanges XML file and the components to delete in the package.xml file
- C. A change set deployment with a destructiveChanges XML file
- D. An ant migration tool deployment with a destructiveChanges XML file and an empty package.xml file
Answer: B
NEW QUESTION 201
What should a developer use to implement an automatic Approval Process submission for Cases?
- A. Process Builder
- B. An Assignment Rule
- C. Scheduled Apex
- D. A Workflow Rule
Answer: A
NEW QUESTION 202
Universal Containers stores the availability date on each Line Item of an Order and Orders are only shipped when all of the Line Items are avaible. Which method should be used to calculate the estimated ship date for an Order?
- A. Use a CEILING formula on each of the Latest availability date fields.
- B. Use a Max Roll-Up Summary field on the Latest availability date fields.
- C. Use a LATEST formula on each of the latest availability date fields.
- D. Use a DAYS formula on each of the availability date fields and a COUNT Roll-Up Summary field on the Order.
Answer: B
NEW QUESTION 203
What is an accurate constructor for a custom controller named "MyController"?
- A. public MyController () { account = new Account () ; }
- B. public MyController (ApexPages.StandardController stdController) { account = (Account) stdController.getRecord(); }
- C. public MyController (List objects) { accounts = (List ) objects; }
- D. public MyController (sObject obj) { account = (Account) obj; }
Answer: A
NEW QUESTION 204
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 auto response rule to the candidate.
- B. Create an escalation rule to the hiring manager.
- C. Create a workflow rule with an outbound message action.
- D. Create a Process Builder with an outbound message action.
Answer: C
NEW QUESTION 205
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