Salesforce Plat-Dev-301 : Salesforce Certified Platform Developer II - Multiple Choice

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Salesforce Plat-Dev-301 Exam Syllabus Topics:

Salesforce Certified Platform Developer II - Multiple Choice Sample Questions:

1. A developer is writing code that requires making callouts to an external web service.
Which scenario necessitates that the callout be made in an asynchronous method?

A) The callouts will be made using the REST APL.
B) Over 10 callouts will be made in a single transaction.
C) The callouts will be made in an Apex trigger.
D) The callout could take longer than 60 seconds to complete.

2. A developer needs to send Account records to an external system for backup purposes. The process must take a snapshot of Accounts as they are saved and then make a callout to a RESTful web service. The web service can only receive, at most, one record per call.
What should a developer do to implement these requirements?

A) Expose an Apex class as e web service.
B) Implement the Queveable interface.
C) Create a future method.
D) Implement platform events.

3. Users report that a button on a custom Lightning web component (LWC) is not saving the data they enter. The button looks to be clicked, but the LWC simply sits there, seemingly doing nothing.
What should the developer use to ensure error messages are properly displayed?

A) Add JavaScript and HTML to display an error message.
B) Add the <apex:messages/> tag to the component.
C) Use the Database method with a110rNone Set to false.
D) Add a try-catch block surrounding the DML statement.

4. When developing a Lightning web component, which setting displays lightninglayout-items im one column on small devices, such as mobile phones, and in two columns on tablet-size and desktop-size screens?

A) Set size="12" medium-device-size="6"
B) Set size="6" mobile-device-size="12"
C) Set size="6" small-device-size="12"
D) Set size="12" tablet-device-size="6"

5. A developer is asked to find a way to store sacret data with an ability to specify which profiles and users can access which secrets.
What should be used to store this data?

A) system.Cookie class
B) Custom metadata
C) Static resources
D) Custom settings

Solutions: