[UPDATED 2022] TVB-450 dumps Free Test Engine Verified By Certified Experts
Realistic TVB-450 Accurate & Verified Answers As Experienced in the Actual Test!
Salesforce TVB-450 Exam Syllabus Topics:
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NEW QUESTION 138
A third-party vendor created an unmanaged Lightning web component. The Salesforce Administrator wishes to expose the component only on Record Page Layouts.
Which two actions should the developer take to accomplish this business objective?
Choose 2 answers
- A. Ensure isExposed is set to true on the XML file.
- B. Specify lightningCommunity_Page as a target in the XML file.
- C. Specify lightning_RecordPage as a target in the XML file.
- D. Specify lightningCommunity_Page_Layout as a target in the XML file.
Answer: A,C
NEW QUESTION 139
A developer needs to confirm that an Account trigger is working correctly without changing the organization's dat a. What would the developer do to test the Account trigger?
- A. Use Deply from the Force.com IDE to deploy an 'insert Account' Apex class.
- B. Use the New button on the Salesforce Accounts Tab to create a new Account record.
- C. Use the Test menu on the developer Console to run all test classes for the account trigger.
- D. Use the Open Execute Anonymous feature on the Developer Console to run an 'insert Account' DML statement.
Answer: C
NEW QUESTION 140
Which Salesforce feature allows a developer to see when a user last logged in to Salesforce if real-time notification is not required?
- A. Developer Log
- B. Asynchronous Data Capture Events
- C. Event Monitoring Log
- D. Calendar Events
Answer: C
NEW QUESTION 141
Universal Containers wants a list button to display a Visualforce page that allows users to edit multiple records. which Visualforce feature supports this requirement?
- A. <apex:listButton> tag
- B. Custom controller
- C. RecordSetVar page attribute
- D. Controller extension
Answer: C
NEW QUESTION 142
A developer needs to create a custom button for the Account object that, when clicked, will perform a series of calculation and redirect the user to a custom visualforce page.
Which three attributes need to be defined with values in the <apex:page> tag to accomplish this?
Choose 3 answers
- A. standard Controller
- B. renderAs
- C. Action
- D. extensions
- E. readOnly
Answer: A,B,C
NEW QUESTION 143
Cloud kicks has a multi-screen flow that its call center agents use when handling inbound service desk calls.
At one of the steps in the flow, the agents should be presented with a list of order numbers and dates that are retrieved from an external order management system in real time and displayed on the screen.
What should a developer use to satisfy this requirement?
- A. An invocable method
- B. An outbound message
- C. An Apex controller
- D. An Apex REST class
Answer: D
NEW QUESTION 144
Universal Containers implemented a private sharing model for the Account object. A custom Account search tool was developed with Apex to help sales representatives find accounts that match multiple criteria they specify. Since its release, users of the tool report they can see Accounts they do not own. What should the developer use to enforce sharing permission for the currently logged-in user while using the custom search tool?
- A. Use the schema describe calls to determine if the logged-in users has access to the Account object.
- B. Use the without sharing keyword on the class declaration.
- C. Use the with sharing keyword on the class declaration.
- D. Use the UserInfo Apex class to filter all SOQL queries to returned records owned by the logged-in user.
Answer: C
NEW QUESTION 145
Which two examples above use the system. debug statements to correctly display the results from the SOQL aggregate queries? Choose 2 answers
- A. Example 4
- B. Example 1
- C. Example 3
- D. Example 2
Answer: C,D
NEW QUESTION 146
Universal Containers wants Opportunities to no longer be editable when reaching the Closed/Won stage.
How should a developer accomplish this?
- A. Use a validation rule.
- B. Mark fields as read-only on the page layout.
- C. Use the Process Automation settings.
- D. Use Flow Builder.
Answer: A
NEW QUESTION 147
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?
- A. Flow Builder
Answer: A
NEW QUESTION 148
A developer must provide a custom user interface when users edit a Contact. Users must be able to use the interface in Salesforce Classic and Lightning Experience.
What should the developer do to provide the custom user interface?
- A. Override the Contact's Edit button with a Lightning component in Salesforce Classic and a Lightning component in Lightning Experience.
- B. Override the Contact's Edit button with a Lightning page in Salesforce Classic and a Visualforce page in Lightning Experience.
- C. Override the Contact's Edit button with a Visualforce page in Salesforce Classic and a Lightning component in Lightning Experience.
- D. Override the Contact's Edit button with a Visualforce page in Salesforce Classic and a Lightning page inLightning Experience.
Answer: C
NEW QUESTION 149
A developer must write an Apex method that will be called from a Lightning component. The method may delete an Account stored in the accountRec variable.
Which method should a developer use to ensure only users that should be able to delete Accounts can successfully perform deletions?
- A. Schema.sObjectType.Account.isDeletable()
- B. accountRec.isDeletable()
- C. accountRec.sObjectType.isDeletable()
- D. Account.isDeletable()
Answer: A
NEW QUESTION 150
Which two are best practices when it comes to component and application event handling? (Choose two.)
- A. Use component events to communicate actions that should be handled at the application level.
- B. Try to use application events as opposed to component events.
- C. Handle low-level events in the event handler and re-fire them as higher-level events.
- D. Reuse the event logic in a component bundle, by putting the logic in the helper.
Answer: C,D
NEW QUESTION 151
Which exception type cannot be caught?
- A. CalloutException
- B. Custom Exception
- C. NoAccessException
- D. LimitException
Answer: D
NEW QUESTION 152
A business implemented a magnification plan to encourage its customers to watch some educational videos.
Customers can watch videos over several days, and their progress is recorded. Award points are granted to customers for all completed videos. When the video is marked as completed in Salesforce, an external web service must be called so that points can be awarded to the user.
A developer implemented these requirements in the after update trigger by making a calf to an external web service. However, a System.CalloutException is occurring.
What should the developer do to fix this error?
- A. Surround the external call with a try-catch block to handle the exception.
- B. Replace the after update trigger with a before insert trigger.
- C. Move the callout to an asynchronous method with structure (callout=true) annotation.
- D. Write a REST service to integrate with the external web service.
Answer: C
NEW QUESTION 153
A developer has a Visualforce page and custom controller to save Account records. The developer wants to display any validation rule violation to the user. How can the developer make sure that validation rule violations are displayed?
- A. Perform the DML using the Database.upsert() method.
- B. Add cuatom controller attributes to display the message.
- C. Use a try/catch with a custom exception class.
- D. Include <apex:message> on the Visualforce page.
Answer: D
NEW QUESTION 154
A develop created these three roll-up summary fields on the custom object. Project_c:
The developer is asked to create a new field that should the ratio between rejected and approved timesheet for a given project.
What are two benefits of choosing a formula held instead of an Apex trigger to fulfill the request? Choose 2 answers
- A. A test class will validate the formula field during deployment.
- B. Using a formula field reduces maintenance overhead.
- C. A formula field will calculate the retroactively for existing records
- D. A formula field will trigger existing automation when deployed.
Answer: C,D
NEW QUESTION 155
Refer to the following code snippet for an environment that has more than 200 Accounts belonging to the Technology' industry:
which three statements are accurate about debug logs?
Choose 3 answers
- A. System debug logs are retained for 24 hours.
- B. Debug logs can be set for specific users, classes, and triggers.
- C. Debug log levels are cumulative, where FINE log level includes all events logged at the DEBUG, INFO, WARN, and ERROR levels.
- D. The maximum size of a debug log is 5 MB.
- E. Only the 20 most recent debug logs for a user are kept.
Answer: A,B,E
NEW QUESTION 156
Managers at Universal Containers want to ensure that only decommissioned containers are able to be deleted in the system. To meet the business requirement a Salesforce developer adds ^Decommissioned" as a picklist value for the Status__: custom field within the Contact__c object.
Which tool should the developer use to enforce only Container records with a status of "Decommissioned" can be deleted?
- A. Before record-triggered flow
- B. Validation rule
- C. After record-triggered flow
- D. Apex trigger
Answer: D
NEW QUESTION 157
Which action causes a before trigger to fire by default for Accounts?
- A. Renaming or replacing picklist
- B. Importing data using the Data Loader and the Bulk API
- C. Converting Leads to Contact accounts
- D. Updating addresses using the Mass Address update tool
Answer: B
NEW QUESTION 158
A developer created a new trigger that inserts a Task when a new Lead is created. After deploying to production, an outside integration chat reads task records is periodically reporting errors.
Which change should the developer make to ensure the integration is not affected with minimal impact to business logic?
- A. Deactivate the trigger before the integration runs.
- B. Remove the Apex class from the integration user's profile.
- C. Use the Database method with all or None set to false
- D. Use a try-catch block after the insert statement.
Answer: B
NEW QUESTION 159
A developer is creating an app that contains multiple Lightning web components.
One of the child components is used for navigation purposes. When a user click a button called.. component, the parent component must be alerted so it can navigate to the next page.
How should this be accomplished?
- A. Create a custom event.
- B. Call a method in the Apex controller.
- C. Fire a notification.
- D. Update a property on the parent.
Answer: A
NEW QUESTION 160
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