Salesforce Salesforce Certifications CRT-450 Questions & Answers

• Question 521:

  Which two are best practices when it comes to component and application event handling? Choose 2 answers

  A. Handle low-level events in the event handler and re-fire them as higher-level events.

  B. Try to use application events as opposed to component events.

  C. Use component events to communicate actions that should be handled at the application level.

  D. Reuse the event logic in a component bundle, by putting the logic in the helper.

  Correct Answer: AD

• Question 522:

  Which aspect of Apex programming is limited due to multitenancy?

  A. The number of active Apex classes

  B. The number of methods in an Apex Class

  C. The number of records processed in a loop

  D. The number of records returned from database queries

  Correct Answer: D

• Question 523:

  What is the order of operations when a record is saved in Salesforce?

  A. Process flows, triggers, workflow, commit

  B. Workflow, process flows, triggers, commit

  C. Workflow, triggers, process flows, commit

  D. Triggers, workflow, process flows, commit

  Correct Answer: D

• Question 524:

  A developer is debugging the following code to determine why Accounts are not being created.

  Account a = new Account(Name = 'A');Database.insert(a, false);

  How should the code be altered to help debug the issue?

  A. Add a System.debug() statement before the insert method

  B. Add a try/catch around the insert method

  C. Set the second insert method parameter to TRUE

  D. Collect the insert method return value a Saveresult record

  Correct Answer: D

• Question 525:

  How should a custom user interface be provided when a user edits an Account in Lightning Experience?

  A. Override the Account's Edit button with Lightning Flow

  B. Override the Account's Edit button with Lightning Action

  C. Override the Account's Edit button with Lightning page.

  D. Override the Account's Edit button with Lightning component.

  Correct Answer: D

• Question 526:

  A developer must create a Lightning component that allows users to input Contact record information to create a Contact record, including a Salary__ccustom field.

  What should the developer use, along with a lightning-record-edit-form, so that Salary__c field functions as a currency input and is only viewable and editable by users that have the correct field level permissions on Salary__c?

  A.

  B.

  C.

  D.

  Correct Answer: A

• Question 527:

  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. Create a test class and methods to cover the Apex trigger

  B. Run the tests using the 'Run All Tests' method.

  C. Remove the falling test methods from the test class.

  D. Increase the test class coverage on the helper class

  Correct Answer: C

• Question 528:

  Universal Containers (UC) uses a custom object called Vendor. The Vendor custom object has a Master-Detail relationship with the standard Account object. Based on some internal discussion, the UC administrator tried to change the Master-Detail relationship to a Lookup relationship but was not able todo so. What is apossible reason that this change was not permitted?

  A. The Account records contain Vendor roll-up summary fields.

  B. The Vendor object must use a Master-Detail field for reporting.

  C. The Vendor records have existing values in the Account object.

  D. The Account object is included on a workflow on the Vendor object.

  Correct Answer: A

• Question 529:

  Universal Containers (UC) wants to lower its shipping cost while making the shipping process more efficient. The Distribution Officer advises UC to implement global addresses to allow multiple Accounts to share a default pickup address. The developer is tasked to create the supporting object and relationship for this business requirement and uses the Setup Menu to create a custom object called "Global Address".

  Which field should the developer add to create the most efficient model that supports the business need?

  A. Add a Master-Detail field on the Account object to the Global Address object

  B. Add a Master-Detail field on the Global Address object to the Account object.

  C. Add a Lookup field on the Account object to the Global Address object.

  D. Add a Lookup field on the Global Address object to the Account object

  Correct Answer: C

• Question 530:

  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*/ } }

  Correct Answer: A