Plat-Dev-201 Exam Training Practice Tests (Salesforce Certified Platform Developer)]

Question 1

Which two are best practices when it comes to component and application event handling?
(Choose two.)

A. Reuse the event logic in a component bundle, by putting the logic in the helper. 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. Use component events to communicate actions that should be handled at the application level.

Correct Answer: A,C

Question 2

Which code statement includes an Apex method named updateaccounts in the Class AccountCont rolles for use in a Lightning web component?

A.

B.

C.

D.

Correct Answer: B

Question 3

What are two benefits of using External IDs? Choose 2 answers

A. An External ID can be a formula field to help create a unique key from two fields in Salesforce. B. An External ID is indexed and can improve the performance of SOQl quenes. C. An External ID field can be used Co reference an ID from another external system. D. An External ID can be used with Salesforce Mobile to make external data visible.

Correct Answer: B,C

Question 4

Universal Container wants Opportunities to no longer be editable when reaching the Clousd stage.
How should a develoiper accomplish this?

A. Use flow Builder B. Use a validation rule. C. Mark fields as read-only on the page layout. D. Use the Process Automation setting.

Correct Answer: B

Question 5

A develop completed modification to a customized feature that is comprised of two elements:
Apex trigger
Trigger handler Apex class
What are two factors that the developer must take into account to properly deploy the modification to the production environment?

A. At least one line of code must be executed for the Apex trigger. B. Apex classes must have at least 75% code coverage org-wide. C. All methods in the test classes must use @isTest. D. Test methods must be declared with the testMethod keyword.

Correct Answer: A,B

Question 6

A developer created a child Lightning web component nested inside a parent Lightning web component, parent component needs to pass a string value to the child component.
In which two ways can this be accomplished?
Choose 2 answers

A. The parent component can use a public property to pass the data to the child component. B. The parent component can use the Apex controller class to send data to the child component. C. The parent component can use a custom event to pass the data to the child component, D. The parent component can invoke a method in the child component

Correct Answer: A,C

Question 7

A developer migrated functionality from JavaScript Remoting to a Lightning web component and wants to use the existing getOpportunities() method to provide data.
What to do now?

A. The method must return a String of a serialized JSON Array. B. The method must return a JSON Object. C. The method must be decorated with (cacheable=true). D. The method must be decorated with @AuraEnabled.

Correct Answer: C

Question 8

A company has been adding data to Salesforce and has not done a good Job of limiting the creation of duplicate Lead records. The developer is considering writing an Apex process to identify duplicates and merge the records together.
Which two statements are valid considerations when using merged? Choose 2 answers

A. Merge is supported with accounts, contacts, cases, and leads. B. External ID fields can be used with the merge method. C. The merge method allows up to three records, including the master and two additional records with the same sObject type, to be merged into the master record. D. The field values on the master record are overwritten by the records being merged.

Correct Answer: A,C

Question 9

How can a developer check the test coverage of active Process Builder and Flows deploying them in a Changing Set?

A. Use SOQL and the Tooling API B. Use the code Coverage Setup page C. Use the Flow properties page. D. Use the Apex testresult class

Correct Answer: A

Question 10

A developer is asked to prevent anyone other than a user with Sales Manager profile from changing the Opportunity Status to Closed Lost if the lost reason is blank. Which automation allows the developer to satisfy this requirement in the most efficient manner?

A. An error condition formula on a validation rule on Opportunity B. A record trigger flow on the Opportunity object C. An Apex trigger on the Opportunity object D. approval process on the Opportunity object

Correct Answer: A

Question 11

The following automations already exist on the Account object:
- A workflow rule that updates a field when a certain criteria is met
- A custom validation on a field
- A How that updates related contact records
A developer created a trigger on the Account object.
What should the developer consider while testing the trigger code?

A. The trigger may fire multiple times during a transaction. B. The flow may be launched multiple times. C. A workflow rule field update will cause the custom validation to run again. D. Workflow rules will fire only after the trigger has committed all DML operations to the database.

Correct Answer: A

Question 12

which statement is true regarding execution order when triggers are associated to the same object and event?

A. Triggers are executed in the order they are created. B. executed In the order they are modified. C. Trigger execution order cannot be guaranteed. D. Triggers are executed alphabetically by trigger name.

Correct Answer: C

Salesforce Certified Platform Developer - Plat-Dev-201 Exam Practice Test