TVB-450 by Salesforce Actual Free Exam Q&As

Question 1

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 Apex REST class C. An Apex controller D. An outbound message

Discussion 0

Correct Answer: B Vote an answer

Question 2

A business has a proprietary Order Management System (OMS) that creates orders from their website and fulfills the orders. When the order is created in the OMS, an integration also creates an order record in Salesforce and relates it to the contact as identified by the email on the order. As the order goes through different stages in the OMS, the integration also updates It in Salesforce. It is noticed that each update from the OMS creates a new order record in Salesforce.
Which two actions will prevent the duplicate order records from being created in Salesforce?
Choose 2 answers

A. Use the order number from the OMS as an external ID. B. Ensure that the order number in the OMS is unique. C. Use the email on the contact record as an external ID. D. Write a before trigger on the order object to delete any duplicates.

Discussion 0

Correct Answer: B,D Vote an answer

Question 3

A developer creates a new Apex trigger with a helper class, and writes a test class that only exercises 95% coverage of 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?

A. Increase the test class coverage on the helper class B. Remove the falling test methods from the test class. C. Run the tests using the 'Run All Tests' method. D. Create a test class and methods to cover the Apex trigger

Discussion 0

Correct Answer: B Vote an answer

Question 4

A developer is creating a Lightning web component to showa list of sales records.
The Sales Representative user should be able to see the commission field on each record. The Sales Assistant user should be able to see all fields on the record except the commission field.
How should this be enforced so that the component works for both users without showing any errors?

A. Use Security. stripInaccessible to remove fields inaccessible to the current user. B. Use Lightning Locker Service to enforce sharing rules and field-level security. C. Use Lightning Data Service to get the collection of sales records. D. Use WITH SECURITY_ENFORCED in the SOQL that fetches the data for the component.

Discussion 0

Correct Answer: A Vote an answer

Question 5

Universal Container is building a recruiting app with an Applicant object that stores information about an individual person that represents a job. Each application may apply for more than one job.
What should a developer implement to represent that an applicant has applied for a job?

A. Formula field on Applicant that references Job B. Master-detail field from Applicant to Job C. Lookup field from Applicant to Job D. Junction object between Applicant and Job

Discussion 0

Correct Answer: B Vote an answer

Question 6

Universal Containers recently transitioned from Classic to Lighting Experience. One of its business processes requires certain value from the opportunity object to be sent via HTTP REST callout to its external order management system based on a user-initiated action on the opportunity page. Example values are as follow Name Amount Account Which two methods should the developer implement to fulfill the business requirement? (Choose 2 answers)

A. 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. B. Create an after update trigger on the Opportunity object that calls a helper method using @Future(Callout=true) to perform the HTTP REST callout. C. Create a Process Builder on the Opportunity object that executes an Apex immediate action to perform the HTTP REST callout whenever the Opportunity is updated. D. Create a Lightning component that performs the HTTP REST callout, and use a Lightning Action to expose the component on the Opportunity detail page.

Discussion 0

Correct Answer: B,D Vote an answer

Question 7

Which three steps allow a custom SVG to be included in a Lightning web component? Choose 3 answers

A. Import the SVG as a content asset file. B. Upload the SVG as a static resource. C. Reference the getter in the HTML template. D. Import the static resource and provide a getter for it in JavaScript. E. Reference the import in the HTML template.

Discussion 0

Correct Answer: B,C,D Vote an answer

Question 8

What are three capabilities of the <ltng : require> tag when loading JavaScript resources in Aura components?
Choose 3 answers

A. Loading scripts In parallel B. One-time loading for duplicate scripts C. Loading files from Documents D. Specifying loading order E. Loading externally hosted scripts

Discussion 0

Correct Answer: A,B,D Vote an answer

Question 9

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?

A. Public class CreditcardPayment extends Payment {
public override void makePayment(Decimal amount) { /*implementation*/ }
} B. Public class CreditCardPayment implements Payment {
public virtual void makePayment(Decimal amount) { /*implementation*/ }
} C. Public class CreditCardPayment extends Payment {
public virtual void makePayment(Decimal amount) { /*implementation*/ }
} D. Public class CreditCardPayment implements Payment {
public override void makePayment(Decimal amount) { /*Implementation*/ }
}

Discussion 0

Correct Answer: A Vote an answer

Question 10

Universal Containers has a Visualforce page that displays a table of every Container_c. being ....... Is falling with a view state limit because some of the customers rent over 10,000 containers.
What should a developer change about the Visualforce page to help with the page load errors?

A. Implement pagination with an OffsetController. B. Implement pagination with a StandardSetController, C. Use JavaScript remoting with SOQL Offset. D. Use Lazy loading and a transient List variable.

Discussion 0

Correct Answer: B Vote an answer

Question 11

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

A. All test and triggers must have at least 75% test coverage combined B. All Apex code must have at least 75% test coverage. C. All triggers must have at least 1% test coverage. D. All triggers must have at least 75% test coverage.

Discussion 0

Correct Answer: B,C Vote an answer

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